Mất wireless network connection win 7

Troubleshooting network problems in Windows

If you can’t get email, browse the website, or stream music, chances are you’re not connected to your network & can’t get onkhổng lồ the mạng internet. To fix the problem, here are some things you can try.

You watching: Mất wireless network connection win 7


Things to try first

Try these things first to help you fix or narrow down the connection problem.

Make sure Wi‑Fi is turned on. Select the "No internet connection" icon on the right side of the taskbar, & make sure Wi-Fi is turned on. If it isn"t, select it khổng lồ turn it on. Also, make sure Airplane mode is turned off.

Select Manage Wi-Fi connections (>) on the Wi-Fi quiông chồng setting, see if a Wi-Fi network you recognize and trust appears in the các mục of networks. If it does, select the Wi-Fi network, and they try khổng lồ connect to lớn it. If it says Connected underneath the network name, select Disconnect, wait a moment, and then select Connect again.

Make sure the physical Wi‑Fi switch on your máy tính is turned on. (An indicator light usually shows when it"s on.)

Run the Network troubleshooter. The Network troubleshooter can help diagnose & fix comtháng connection problems.

To run the Network troubleshooter

Select the Start  button, then type settings. Select Settings System > Troubleshoot > Other troubleshooters.

Under Other, select Network Adapter > Run.

Follow the steps in the troubleshooter và see if that fixes the problem.

Restart your modem and wireless router. This helps create a new connection to your mạng internet service provider (ISP).When you do this, everyone that is connected lớn your Wi-Fi network will be temporarily disconnected. The steps you take to lớn restart your modem và router can vary, but here are the general steps.


Note: If you have a cable modem/Wi-Fi router bộ combo device, you only need to lớn follow the steps for the single device.


Unplug the power cable for the router from the power source.

Unplug the power cable for the modem from the power source. Some modems have a backup battery. If you unplug the modem and lights stay on, remove sầu the battery from the modem.

Wait at least 30 seconds or so.If you had khổng lồ remove sầu the battery from the modem, put it back in.

Plug the modem bachồng into the power source. The lights on the modem will blinks. Wait for them to lớn stop blinking.

Plug your router baông chồng inlớn the power source.Wait a few minutes for the modem and router khổng lồ fully power on. You can usually tell when they’re ready by looking at the status lights on the two devices.

On your PC, try to connect again.


Narrow down the source of the problem

Connection problems can be due khổng lồ a variety of reasons—problems with the website, your device, the Wi-Fi router, modem, or your Internet Service Provider (ISP). Try the following steps to lớn help narrow down the source of the problem.

If the "Wi-Fi connected" inhỏ appears on the right side of the taskbar, visit a different trang web. If the website opens, there might be a problem with the specific website. If you can"t connect khổng lồ another website, go khổng lồ the next step.

Chechồng to see if there is a problem with the connection to lớn your Wi-Fi router. Do this by using a ping thử nghiệm.

Select Search on the taskbar, type Command prompt. The Commvà Prompt button will appear. To the right of it, select Run as administrator > Yes.

At the commvà prompt, type ipconfig, and then select Enter. Look for the name of your Wi-Fi network within the results, và then find the IP address listed next to Default gateway for that Wi-Fi network. Write down that address if you need to lớn. For example: 192.168.1.1

At the prompt, type ping  & then select Enter. For example, type ping 192.168.1.1 and select Enter.  The results should be something lượt thích this:

Reply from 192.168.1.1: bytes=32 time=5ms TTL=64

Reply from 192.168.1.1: bytes=32 time=5ms TTL=64

Reply from 192.168.1.1: bytes=32 time=5ms TTL=64

Reply from 192.168.1.1: bytes=32 time=5ms TTL=64

Ping statistics for 192.168.1.1: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 4ms, Maximum = 5ms, Average = 4ms

If you see results lượt thích this & are getting a reply, then you have a connection khổng lồ your Wi-Fi router, so there might be a problem with your modem or ISP. Contact your ISP. or kiểm tra online on another device (if you can) lớn see if there"s a service outage.

If the results of the ping kiểm tra indicate that you are not getting a reply from the router, try connecting your PC directly to your modem by using an Ethernet cable (if you can). If you can connect lớn the mạng internet using an Ethernet cable, it confirms the connection problem is due to lớn the Wi-Fi router. Make sure you"ve sầu installed the lademo firmware and see the documentation for your router.


Run network commands

Try running these network commands to lớn manually reset the TCP/IP.. staông xã, release and renew the IPhường. address, và flush và remix the DNS client resolver cache:

Select Search on the taskbar, type Command prompt. The Commvà Prompt button will appear. To the right of it, select Run as administrator Yes.

At the comm& prompt, run the following commands in the listed order, & then kiểm tra khổng lồ see if that fixes your connection problem:

Type netsh winsoông chồng reset và select Enter.

Type netsh int ip reset and select Enter.

Type ipconfig /release và select Enter.

Type ipconfig /renew & select Enter.

Type ipconfig /flushdns và select Enter.

Uninstall the network adapter driver và restart

If the previous steps didn’t work, try to lớn uninstall the network adapter driver, và then restart your computer. Windows will automatically install the lathử nghiệm driver. Consider this approach if your network connection stopped working properly after a recent update.

Before uninstalling, make sure you have sầu drivers available as a backup. Visit the PC manufacturer’s website & tải về the latest network adapter driver from there. If your PC can"t connect khổng lồ the internet, you"ll need to lớn tải về a driver on a different PC và save sầu it to lớn a USB flash drive sầu so you can install the driver on your PC. You’ll need to lớn know the PC manufacturer và model name or number.

Select Search on the taskbar, type Device Manager, và then select Device Manager from the danh mục of results.

Expand Network adapters, & locate the network adapter for your device.

Select the network adapter, press and hold (or right-click), & then select Uninstall device > the Attempt lớn remove sầu the driver for this device kiểm tra box > Uninstall.

After uninstalling the driver, select the Start button > PowerRestart.

After your PC restarts, Windows will automatically look for & install the network adapter driver. Cheông xã lớn see if that fixes your connection problem. If Windows doesn"t automatically install a driver, try khổng lồ install the backup driver you saved before uninstalling.

Cheông chồng if your network adapter is compatible with the lachạy thử Windows Update

If you lost your network connection immediately after upgrading to lớn or updating Windows 11, it"s possible that the current driver for your network adapter was designed for a previous version of Windows. To check, try temporarily uninstalling the recent Windows Update:

Select the Start button, then enter settings. Select Settings > Windows Update Update history > Uninstall updates.

Select the most recent update, then select Uninstall.

If uninstalling the most recent update restores your network connection, check khổng lồ see if an updated driver is available:

Select Search on the taskbar, type Device Manager, and then select Device Manager from the menu of results.

Expand Network adapters, and locate the network adapter for your device.

Select the network adapter, press và hold (or right-click), then select Update driver > Search automatically for updated driver software, and then follow the instructions.

After installing the updated driver, select the Start button > Power > Restart if you"re asked khổng lồ restart, & see if that fixes the connection issue.

If Windows can’t find a new driver for your network adapter, visit the PC manufacturer’s website and tải về the latest network adapter driver from there. You’ll need khổng lồ know the PC manufacturer and Model name or number.

Do one of the following:

If you could successfully install updated drivers for your network adapter, then reinstall the latest updates. To vì this, select the Start button, then enter settings. Select Settings Windows Update > Check for updates.

Use network reset

Using network reset should be the last step you try. Consider using it if the steps above don’t help lớn get you connected.

This can help solve sầu connection problems you might have sầu after upgrading from Windows 10 lớn Windows 11. It can also help khổng lồ fix the problem where you can connect to lớn the mạng internet, but can"t connect lớn shared network drives. Network reset removes any network adapters you have sầu installed & the settings for them. After your PC restarts, any network adapters are reinstalled, và the settings for them are phối to lớn the defaults.

On the Network reset screen, select Rephối now > Yes lớn confirm.

Wait for your PC to restart, & see if that fixes the problem.


Notes: 

After using network reset, you might need to lớn reinstall & phối up other networking software you might be using, such as VPN client software or virtual switches from Hyper‑V (if you"re using that or other network virtualization software).

Network remix might phối each one of your known network connections khổng lồ a public network protệp tin. In a public network protệp tin, your PC is not discoverable to other PCs and devices on the network, which can help make your PC more secure. However, if your PC is used for tệp tin or printer sharing, you’ll need lớn make your PC discoverable again by setting it to use a private network protệp tin. To bởi vì this, select the Start button, then enter settings. Select Settings Network và internet > Wi-Fi. On the Wi-Fi screen, select Manage known networks > the network connection you want lớn change. Under Network protệp tin type, select Private.


Check your Wi-Fi settings

Wi-Fi adapter manufacturers might have different advanced settings you can change based on your network environment or connection preferences.

Chechồng the Wireless Mode setting for your network adapter & make sure it matches the capabilities of the network you’re trying to connect to. If it doesn’t match, you won’t be able khổng lồ connect, và the network might not appear in the danh sách of available networks. The Wireless Mode will often be phối khổng lồ Aulớn or something similar by default, which enables connection for every kind of network that’s vienchinh.bized.

To find the wireless mode setting

In Device Manager, select Network adapters, and then double-cliông xã the network adapter name.

Select the Advanced tab & look for a Wireless Mode setting. Make sure it’s mix khổng lồ the mode your network is using.

Wi-Fi profile settings

Windows uses the Wi-Fi profile lớn save sầu the settings that are needed to connect to a Wi-Fi network. These settings include the network security type, key, network name (SSID), & so on. If you can’t connect khổng lồ a Wi-Fi network that you could connect to before, it’s possible that the network settings might have sầu changed or the protệp tin is corrupted.

To fix this, remove (or "forget") the network connection, then reconnect lớn the network. When you forget a network connection, it removes the Wi-Fi network protệp tin from your PC.

To forget a network

Select the Start button, then enter settings. Select Settings Network và internet.

Select Wi-Fi , then select Manage known networks.

Select the network you want khổng lồ forget, then select Forget.

Afterwards, select the Wi-Fi inhỏ on the taskbar and try lớn reconnect to the network lớn renew the network connection.

Check your home layout

Your Wi-Fi network might be affected by the network"s frequency band, channel congestion, and/or signal strength. For more info, see Wi-Fi problems & your trang chủ layout.

Cheông xã for additional symptoms for the "No internet connection" inhỏ.

There may be additional troubleshooting steps you can try, depending on which symptoms you"re having. To view these steps, check out Wi-Fi connection icons và what they mean.

Related topics


Things to try first

Try these things first to lớn help you fix or narrow down the connection problem.

Make sure Wi‑Fi is turned on. Select the "No internet connection" ibé on the right side of the taskbar, & make sure Wi-Fi is turned on. If it isn"t, select it khổng lồ turn it on. Also, make sure Airplane mode is turned off.

*

Afterwards, see if a Wi-Fi network you recognize and trust appears in the danh sách of networks. If it does, select the Wi-Fi network, & they try lớn connect to it. If it says Connected underneath the network name, select Disconnect, wait a moment, and then select Connect again.

Make sure the physical Wi‑Fi switch on your máy tính is turned on. (An indicator light usually shows when it"s on.)

Run the Network troubleshooter. The Network troubleshooter can help diagnose & fix common connection problems.

To run the Network troubleshooter

Under Change your network settings, select Network troubleshooter.

Follow the steps in the troubleshooter, & see if that fixes the problem.

Restart your modem và wireless router. This helps create a new connection to your mạng internet service provider (ISP).

When you bởi vì this, everyone that is connected to your Wi-Fi network will be temporarily disconnected. The steps you take khổng lồ restart your modem & router can vary, but here are the general steps. (Note: If you have sầu a cable modem/Wi-Fi router full bộ device, you only need to lớn follow the steps for the single device.)

Unplug the power cable for the router from the power source.

Unplug the power cable for the modem from the power source. Some modems have a backup battery. If you unplug the modem and lights stay on, remove sầu the battery from the modem.

Wait at least 30 seconds or so.If you had lớn remove the battery from the modem, put it baông xã in.

Plug the modem baông chồng into the power source. The lights on the modem will bliên kết. Wait for them to lớn stop blinking.

Plug your router baông chồng inlớn the power source.Wait a few minutes for the modem and router to fully power on. You can usually tell when they’re ready by looking at the status lights on the two devices.

On your PC, try to lớn connect again.


Connection problems can be due to lớn a variety of reasons—problems with the website, your device, the Wi-Fi router, modem, or your Internet Service Provider (ISP). Try the following steps to help narrow down the source of the problem.

If the "Wi-Fi connected" inhỏ  appears on the right side of the taskbar, visit a different trang web. If the trang web opens, there might be a problem with the specific trang web. If you can"t connect khổng lồ another trang web, go lớn the next step.

Check to lớn see if there is a problem with the connection to your Wi-Fi router. Do this by using a ping test.

In the search box on the taskbar, type Command prompt. The Commvà Prompt button will appear. To the right of it, select Run as administrator > Yes.

At the commvà prompt, type ipconfig, and then select Enter. Look for the name of your Wi-Fi network within the results, & then find the IPhường address listed next to Default gateway for that Wi-Fi network. Write down that address if you need to. For example: 192.168.1.1

At the prompt, type ping and then select Enter. For example, type ping 192.168.1.1 and select Enter.  The results should be something lượt thích this:

Reply from 192.168.1.1: bytes=32 time=5ms TTL=64

Reply from 192.168.1.1: bytes=32 time=5ms TTL=64

Reply from 192.168.1.1: bytes=32 time=5ms TTL=64

Reply from 192.168.1.1: bytes=32 time=5ms TTL=64

Ping statistics for 192.168.1.1: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 4ms, Maximum = 5ms, Average = 4ms

If you see results lượt thích this và are getting a reply, then you have a connection to lớn your Wi-Fi router, so there might be a problem with your modem or ISPhường. Contact your ISPhường or check online on another device (if you can) to lớn see if there"s a service outage.

If the results of the ping demo indicate that you are not getting a reply from the router, try connecting your PC directly lớn your modem by using an Ethernet cable (if you can). If you can connect to lớn the internet using an Ethernet cable, it confirms the connection problem is due khổng lồ the Wi-Fi router. Make sure you"ve installed the lakiểm tra firmware and see the documentation for your router.


Run network commands

Try running these network commands to lớn manually rephối the TCP/IP. staông chồng, release & renew the IPhường address, and flush and remix the DNS client resolver cache:

In the tìm kiếm box on the taskbar, type Command prompt. The Comm& Prompt button will appear. To the right of it, select Run as administrator > Yes.

At the commvà prompt, run the following commands in the listed order, và then check khổng lồ see if that fixes your connection problem:

Type netsh winsochồng reset and select Enter.

Type netsh int ip reset and select Enter.

Type ipconfig /release và select Enter.

Type ipconfig /renew và select Enter.

Type ipconfig /flushdns & select Enter.

Uninstall the network adapter driver & restart

If the previous steps didn’t work, try khổng lồ uninstall the network adapter driver, and then restart your computer. Windows will automatically install the latest driver. Consider this approach if your network connection stopped working properly after a recent update.

Before uninstalling, make sure you have drivers available as a backup. Visit the PC manufacturer’s website & tải về the lademo network adapter driver from there. If your PC can"t connect to the mạng internet, you"ll need lớn tải về a driver on a different PC & save it khổng lồ a USB flash drive so you can install the driver on your PC. You’ll need khổng lồ know the PC manufacturer và Model name or number.

In the search box on the taskbar, type Device Manager, and then select Device Manager from the các mục of results.

Exp& Network adapters, and locate the network adapter for your device.

Select the network adapter, press and hold (or right-click), & then select Uninstall device > the Attempt lớn remove sầu the driver software for this device kiểm tra box > Uninstall.

After uninstalling the driver, select the Start button > Power  > Restart.

After your PC restarts, Windows will automatically look for & install the network adapter driver. Cheông xã to see if that fixes your connection problem. If Windows doesn"t automatically install a driver, try khổng lồ install the backup driver you saved before uninstalling.

Cheông xã if your network adapter is compatible with the lademo Windows Update

If you lost your network connection immediately after upgrading or updating Windows 10, it"s possible that the current driver for your network adapter was designed for a previous version of Windows. To kiểm tra, try temporarily uninstalling the recent Windows Update:

Select the Start  button, then select Settings  > Update và Security > Windows Update  > View update history > Uninstall updates.

Select the most recent update, then select Uninstall.

If uninstalling the most recent update restores your network connection, check to lớn see if an updated driver is available:

In the tìm kiếm box on the taskbar, type Device Manager, and then select Device Manager from the list of results.

Exp& Network adapters, & locate the network adapter for your device.

Select the network adapter, select Update driver > Search automatically for updated driver software, & then follow the instructions.

After installing the updated driver, select the Start button > Power  > Restart if you"re asked to restart, và see if that fixes the connection issue.

If Windows can’t find a new driver for your network adapter, visit the PC manufacturer’s website and download the lathử nghiệm network adapter driver from there. You’ll need khổng lồ know the PC manufacturer và Model name or number.

Do one of the following:

If you could successfully install updated drivers for your network adapter, then reinstall the latest updates. To vày this, select the Start  button, then select Settings  > Update & Security > Windows Update  > Cheông chồng for updates.

Use network reset

Using network reset should be the last step you try. Consider using it if the steps above sầu don’t help to lớn get you connected.

This can help solve sầu connection problems you might have sầu after upgrading from a previous version of Windows lớn Windows 10. It can also help to fix the problem where you can connect lớn the mạng internet, but can"t connect to lớn shared network drives. Network rephối removes any network adapters you have installed & the settings for them. After your PC restarts, any network adapters are reinstalled, và the settings for them are set to the defaults.


Note: To use network remix, your PC must be running Windows 10 Version 1607 or later. To see which version of Windows 10 your device is currently running, select the Start button, then select Settings > System > About.


On the Network reset screen, select Remix now > Yes to lớn confirm.

Wait for your PC to restart, and see if that fixes the problem.


Notes: 

After using network remix, you might need to lớn reinstall and set up other networking software you might be using, such as VPN client software or virtual switches from Hyper‑V (if you"re using that or other network virtualization software).

Network rephối might phối each one of your known network connections khổng lồ a public network protệp tin. In a public network profile, your PC is not discoverable khổng lồ other PCs và devices on the network, which can help make your PC more secure. However, if your PC is used for tệp tin or printer sharing, you’ll need khổng lồ make your PC discoverable again by setting it khổng lồ use a private network protệp tin. To bởi this, select the Start  button, then select Settings > Network và Internet  > Wi-Fi . On the Wi-Fi screen, select Manage known networks > the network connection you want khổng lồ change > Properties. Under Network profile, select Private.


Cheông chồng your Wi-Fi settings

Wi-Fi adapter manufacturers might have different advanced settings you can change based on your network environment or connection preferences.

Check the Wireless Mode setting for your network adapter và make sure it matches the capabilities of the network you’re trying khổng lồ connect to lớn. If it doesn’t match, you won’t be able lớn connect, and the network might not appear in the list of available networks. The Wireless Mode will often be mix to lớn Auto or something similar by default, which enables connection for every kind of network that’s vienchinh.bized.

To find the wireless mode setting

In Device Manager, select Network adapters, và then double-click the network adapter name.

Select the Advanced tab & look for a Wireless Mode setting. Make sure it’s mix to the mode your network is using.

Wi-Fi protệp tin settings

Windows uses the Wi-Fi protệp tin to lớn save sầu the settings that are needed to lớn connect to a Wi-Fi network. These settings include the network security type, key, network name (SSID), và so on. If you can’t connect khổng lồ a Wi-Fi network that you could connect to before, it’s possible that the network settings might have changed or the profile is corrupted.

To fix this, remove sầu (or "forget") the network connection, then reconnect lớn the network. When you forget a network connection, it removes the Wi-Fi network profile from your PC.

To forget a network

Select the Wi-Fi network  ibé on the right side of the taskbar, then select Network và Internet settings.

Select Wi-Fi , then select Manage known networks.

See more: Hướng Dẫn Chặn Ip Wifi Đơn Giản, Hướng Dẫn Chặn Truy Cập Mạng Wifi Từ Thiết Bị Lạ

Select the network you want lớn forget, then select Forget.

Afterwards, select the Wi-Fi inhỏ on the taskbar và try to reconnect lớn the desired network lớn renew the network connection.

Cheông xã your trang chính layout

Your Wi-Fi network might be affected by the network"s frequency band, channel congestion, and/or signal strength. For more info, see Wi-Fi problems và your trang chính layout.

Check for additional symptoms for the "No mạng internet connection" ibé

There may be additional troubleshooting steps you can try, depending on which symptoms you"re having. To view these steps, kiểm tra out Wi-Fi connection icons & what they mean.

Related topics


Make sure Wi-Fi is turned on.

Swipe in from the right edge of the screen, select Settings, then select the Network icon.

Turn on Wi-Fi.

Make sure the physical Wi‑Fi switch on your máy vi tính is turned on. (An indicator light usually shows when it"s on.)

Make sure your PC isn’t in airplane mode.

Swipe in from the right edge of the screen, select Settings, then select the Network ibé.

Turn off Airplane mode.

Move sầu closer to lớn the router or access point if you can.

If you don’t see the network name at all, the router or access point might not be mix to lớn broadcast the network name. In this case, you’ll need khổng lồ connect khổng lồ it manually.

Swipe in from the right edge of the screen, and then select Settings.

Select the Network ibé, và then select Hidden network.

Type the network name & select Next.

Type the password & select Next.

Follow any additional instructions khổng lồ get connected.

The network will be added to your list of networks and will be available lớn connect to when your computer is in range of the network. To connect lớn the network, follow these steps:

Open Connect to a Network by selecting the network inhỏ in the notification area.

Select Unnamed Network, select Connect, & then type the network information. The network will be added to lớn your các mục of networks and will be available khổng lồ connect to lớn in the future when your computer is in range of the network..


The Network Troubleshooter (mentioned above) can help diagnose và fix comtháng connection problems. After using that, try running the network commands below because the combination of doing these two things can help you get connected.

If your problem isn’t fixed after running the Network troubleshooter, try to:

Rephối the TCP/IP. staông chồng.

Release the IPhường. address.

Renew the IPhường address.

Flush and reset the DNS client resolver cabít.

Here"s how to lớn run networking commands in a command prompt:

Select the Start  button, start typing cmd, right-cliông xã Command Prompt in the list, select Run as Administrator, & then select Yes.

At the comm& prompt, run the following commands in the listed order & then check khổng lồ see if that fixes your connection problem:

Type netsh winsoông chồng reset và press Enter.

Type netsh int ip reset and press Enter.

Type ipconfig /release and press Enter.

Type ipconfig /renew and press Enter.

Type ipconfig /flushdns và press Enter.


This helps create a new connection lớn your Internet service provider (ISP). When you vì chưng this, everyone that is connected khổng lồ your Wi-Fi network will be temporarily disconnected.

The steps you take khổng lồ restart your modem and router can vary, but here are the general steps:

Unplug the power cable for the router from the power source.

Unplug the power cable for the modem from the power source.Some modems have a backup battery. So if you unplug the modem and lights stay on, remove sầu the battery from the modem.

Wait at least 30 seconds or so.If you had khổng lồ remove the battery from the modem, put it back in.

Plug the modem bachồng into lớn the power source. The lights on the modem will blink. Wait for them to stop blinking.

Plug your router baông chồng into lớn the power source.Wait a few minutes for the modem & router khổng lồ fully power on. You can usually tell when they’re ready by looking at the status lights on the two devices.

On your PC, try to connect again.


Make sure it’s not a problem with your cable modem or Internet service provider (ISP). If it is, liên hệ your ISP..

Select the Start  button, start typing cmd, right-clichồng Commvà Prompt in the list, select Run as Administrator, & then select Yes.

At the command prompt, type ipconfig.Look for the IPhường. address listed next khổng lồ Default gateway. Write down that address if you need khổng lồ. For example, 192.168.1.1.

At the prompt, type ping & press Enter. For example, type ping 192.168.1.1 & press Enter.The result should be something like this:Reply from 192.168.1.1: bytes=32 time=5ms TTL=64Reply from 192.168.1.1: bytes=32 time=5ms TTL=64Reply from 192.168.1.1: bytes=32 time=5ms TTL=64Reply from 192.168.1.1: bytes=32 time=5ms TTL=64Ping statistics for 192.168.1.1: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 4ms, Maximum = 5ms, Average = 4ms

If the ping is successful và you see results similar to the results above, but you can’t connect khổng lồ the Internet on your PC, there may be a problem with your modem or Internet service provider (ISP).


If you’re still having trouble connecting to lớn a network, it might be related lớn your network adapter.

Try using the Network Adapter troubleshooter lớn automatically find and fix some problems. This troubleshooter will disable and re-enable the adapter, & try some other comtháng repairs. Select the Start  button, start typing Troubleshooting, & then select Troubleshooting in the danh mục. Select View all Network Adapter.

Update the network adapter driver. An outdated or incompatible network adapter driver can cause connection problems. Check to see if an updated driver is available.

Select the Start  button, start typing Device Manager, và then select it in the các mục.

In Device Manager, select Network adapters, right-cliông chồng your adapter, and then select Properties.

Select the Driver tab, and then select Update Driver.

Select Search automatically for updated driver software.

If Windows can’t find a new driver for your network adapter, visit the PC manufacturer’s website and download the lathử nghiệm network adapter driver from there. If your PC can"t connect khổng lồ the Internet, you"ll need lớn download a driver on a different PC và save it lớn a USB flash drive so you can install the driver on your PC. You’ll need to lớn know the PC manufacturer và Model name or number.


Here are some things khổng lồ kiểm tra & try with your router if you’re at home & having trouble getting connected.

If you don"t see the network name, sign in khổng lồ your router & kiểm tra lớn see if it’s mix khổng lồ broadcast the network name.

Connect your PC lớn your router using an Ethernet cable.

mở cửa your web browser and type the IPhường address for your wireless router. (For example, 192.168.1.1 or 172.16.0.0—check the documentation for your router to find the default IPhường address.)

Sign in with your user name & password, then make sure an option labeled Enable SSID Broadcast, Wireless SSID broadcast, or something similar is turned on. This setting is often on a Wireless Settings page.

Cheông chồng to lớn see if your Wi-Fi network uses Media Access Control (MAC) address filtering for security. If it does, you’ll need to add the MAC address for your PC to the access menu on your router before you can connect.

Select the Start  button. Start typing cmd and right-clichồng Command Prompt in the list. Select Run as Administrator, and then select Yes.

At the commvà prompt, type ipconfig /all.Write down the address that appears next to Physical Address for your wireless network adapter. This is the address you’ll need to lớn add khổng lồ the access các mục on your router.

To add the MAC address to lớn the access danh mục on your router:

Open your website browser & type the IP address for your wireless router. (For example, 192.168.1.1 or 172.16.0.0—kiểm tra the documentation for your router lớn find the mặc định IPhường. address.)

Sign in with your user name and password, then look for a setting that says MAC Address Filter or something similar.

Add the MAC address you wrote down for your PC to the access list & save sầu your changes.

On your PC, try lớn connect to the Wi-Fi network again.


Make sure Wi-Fi is turned on.

On a máy tính xách tay, open Windows Mobility Center by selecting the Start button and then selecting Control Panel > Mobile PC Windows Mobility Center.

Look in the Wireless Network section. If Wi-Fi is on, the button should say Turn wireless off.

Make sure the physical Wi‑Fi switch on your laptop is turned on. (An indicator light usually shows when it"s on.)

Cheông chồng and make sure your PC isn’t in airplane mode.

Move closer lớn the router or access point if you can.

If you don’t see the network name at all, the router or access point might not be set khổng lồ broadcast the network name. In this case, you’ll need lớn connect lớn it manually.

mở cửa Manage Wireless Networks by selecting the Start button, và then selecting Control Panel. In the search box, type wireless and then select Manage wireless networks.

Select Add, and then select Manually create a network profile.

Type the network information.

If you want Windows to automatically connect when the network is in range, select the Start this connection automatically kiểm tra box.

Select the Connect even if the network is not broadcasting check box, select Next, & then select Close.

The network will be added khổng lồ your các mục of networks and will be available khổng lồ connect to when your computer is in range of the network. To connect lớn the network, follow these steps:

Open Connect to a Network by selecting the network ibé in the notification area.

Select Unnamed Network, select Connect, và then type the network information. The network will be added to your danh sách of networks and will be available to connect khổng lồ in the future when your computer is in range of the network..


The Network Troubleshooter (mentioned above) can help diagnose & fix comtháng connection problems. After using that, try running the network commands below because the combination of doing these two things can help you get connected.

If your problem isn’t fixed after running the Network troubleshooter, try to:

Reset the TCP/IPhường stachồng.

Release the IPhường address.

Renew the IPhường address.

Flush and rephối the DNS client resolver cache.

Here"s how khổng lồ run networking commands in a commvà prompt:

Select the Start button  . Type cmd in the search box, right-cliông chồng cmd in the danh mục, select Run as administrator, and then select Yes.

At the comm& prompt, run the following commands in the listed order và then kiểm tra to lớn see if that fixes your connection problem:

Type netsh winsochồng reset & press Enter.

Type netsh int ip reset & press Enter.

Type ipconfig /release and press Enter.

Type ipconfig /renew and press Enter.

Type ipconfig /flushdns and press Enter.


This helps create a new connection khổng lồ your Internet service provider (ISP). When you bởi this, everyone that is connected lớn your Wi-Fi network will be temporarily disconnected.

The steps you take lớn restart your modem & router can vary, but here are the general steps:

Unplug the power cable for the router from the power source.

Unplug the power cable for the modem from the power source.Some modems have a backup battery. So if you unplug the modem và lights stay on, remove sầu the battery from the modem.

Wait at least 30 seconds or so.If you had to remove sầu the battery from the modem, put it back in.

Plug the modem bachồng into the power source. The lights on the modem will blink. Wait for them lớn stop blinking.

Plug your router back into lớn the power source.Wait a few minutes for the modem & router to fully power on. You can usually tell when they’re ready by looking at the status lights on the two devices.

On your PC, try to lớn connect again.


Make sure it’s not a problem with your cable modem or Internet service provider (ISP). If it is, liên hệ your ISP.

Select the Start button . Type cmd in the tìm kiếm box, right-clichồng cmd in the danh sách, select Run as administrator, and then select Yes.

At the command prompt, type ipconfig.Look for the IP address listed next to Default gateway. Write down that address if you need to. For example, 192.168.1.1.

At the prompt, type ping và press Enter. For example, type ping 192.168.1.1 và press Enter.The result should be something lượt thích this:Reply from 192.168.1.1: bytes=32 time=5ms TTL=64Reply from 192.168.1.1: bytes=32 time=5ms TTL=64Reply from 192.168.1.1: bytes=32 time=5ms TTL=64Reply from 192.168.1.1: bytes=32 time=5ms TTL=64Ping statistics for 192.168.1.1: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 4ms, Maximum = 5ms, Average = 4ms

If the ping is successful & you see results similar khổng lồ the results above sầu, but you can’t connect lớn the Internet on your PC, there may be a problem with your modem or Internet service provider (ISP).


If you’re still having trouble connecting khổng lồ a network, it might be related to your network adapter.

Try using the Network Adapter troubleshooter lớn automatically find and fix some problems. This troubleshooter will disable & re-enable the adapter, and try some other comtháng repairs.Open the Network Adapter troubleshooter by selecting the Start button và then selecting Control Panel. In the tìm kiếm box, type troubleshooter & then select Troubleshooting View all > Network Adapter.

Update the network adapter driver. An outdated or incompatible network adapter driver can cause connection problems. Cheông xã khổng lồ see if an updated driver is available.

mở cửa Device Manager by selecting the Start button , selecting Control Panel, selecting System và Security, & then, under System, selecting Device Manager

*
. If you"re prompted for an administrator password or confirmation, type the password or provide confirmation.

In Device Manager, select Network adapters, right-cliông chồng your adapter, and then select Properties.

Select the Driver tab, & then select Update Driver.

Select Search automatically for updated driver software.

If Windows can’t find a new driver for your network adapter, visit the PC manufacturer’s trang web and tải về the lathử nghiệm network adapter driver from there. If your PC can"t connect to lớn the Internet, you"ll need lớn tải về a driver on a different PC and save it khổng lồ a USB flash drive so you can install the driver on your PC. You’ll need khổng lồ know the PC manufacturer & model name or number.


Here are some things to check và try with your router if you’re at home page & having trouble getting connected.

If you don"t see the network name, sign in to your router và check to lớn see if it’s set lớn broadcast the network name.

Connect your PC to your router using an Ethernet cable.

Open your web browser & type the IPhường address for your wireless router. (For example, 192.168.1.1 or 172.16.0.0—kiểm tra the documentation for your router to find the mặc định IPhường address.)

Sign in with your user name and password, then make sure an option labeled Enable SSID Broadcast, Wireless SSID broadcast, or something similar is turned on. This setting is often on a Wireless Settings page.

Cheông xã lớn see if your Wi-Fi network uses Media Access Control (MAC) address filtering for security. If it does, you’ll need to add the MAC address for your PC to lớn the access list on your router before you can connect.

Select the Start  button. Type cmd in the tìm kiếm box and right-click cmd in the list. Select Run as administrator, & then select Yes.

At the commvà prompt, type ipconfig /all.Write down the address that appears next to Physical Address for your wireless network adapter. This is the address you’ll need lớn add lớn the access các mục on your router.

To add the MAC address lớn the access các mục on your router:

Open your web browser và type the IPhường address for your wireless router. (For example, 192.168.1.1 or 172.16.0.0—check the documentation for your router to lớn find the mặc định IP address.)

Sign in with your user name & password, then look for a setting that says MAC Address Filter or something similar.

See more: Tải Game Mod, Ứng Dụng Phổ Biến Dành Cho Điện Thoại Android, Ios

Add the MAC address you wrote down for your PC to lớn the access danh mục và save sầu your changes.


Chuyên mục: Chia sẻ