After installing the new win7 system, wired can access the Internet, wireless can not access the Int

If the signal is "very good", then your Wi-Fi function should be "turned on", but you have to make sure that the wireless signal of the out-of-bounds router is there, and you should know that there may be other people around who use wireless routers.

You can use your laptop to try someone else's router that is being used, if the connection is normal, then the strip is your router setting problem, if you can't connect, it's a problem with your own driver, sometimes the driver version is incorrect, but there is no exclamation mark in the device manager.

You delete the wired network first,Then go to the network center to see if it's all right.,Then turn on the wireless switch to see if it's connected.,If you can't, restart it and look again.,If it doesn't work, install the wireless driver again.。 It's generally fine. Remember to turn off the wired driver first.

Summary. 1. Open the "Control Panel", switch the "View Mode" in the upper right corner to "Small Icon", and then click to open the "Device Manager" in the project below

2. In "Device Manager", double-click "Network Adapters" with left mouse button, and right-click "Realtek PCIe...... in the listor a similar option (i.e., motherboard integrated network card) and click "Properties" in the context menu that pops up.

3. Click "Driver", and then click "Revert Driver" below, wait for the system to automatically complete the rollback (restore) of the driver, restart the computer after the rollback is completed, the network card driver will return to the previous working version, and the computer will return to normal networking

After the computer update driver, plug in the network cable and wifi can not access the Internet.

Your question has been received, it will take a little time to type, please wait a while, please don't end the consultation, you can also provide more effective information about Jian Kai, so that I can better answer for you.

1. Open the "Control Panel", switch to the "Small Icon" in the upper right corner, and then click to open the "Device Manager" in the following project: 2. In the "Device Manager", double-click the "Network Adapter" with the left mouse button, and in the list, right-click "Realtek PCIe......or similar options (i.e., the motherboard integrated network card), click "Properties 3" in the pop-up right-click menu, click "Driver", and then click "Fallback Driver" below, wait for the system to automatically complete the rollback (restore) of the driver, restart the computer after the rollback is completed, the network card driver will return to the version that can work normally before Chazhi, and the computer will return to normal networking:

If my answer is helpful to you, please give a thumbs up (comment in the lower left corner), look forward to your like, your efforts are very important to me, and your support is also the driving force for my progress. If you feel that I am satisfied with the answer of Fu Lu, you can click on my avatar for one-on-one consultation. Finally, I wish you good health and a good mood!

Summary. If there is a wireless network, I connect to the wireless network and re-drive it with a 360 driver master or a driver wizard. If there is no way to connect to the network, you can put the best driver on the USB flash drive and reinstall it on the computer.

Attached: Driver uninstallation mode:

Right-click on My Computer.

Click on the "Properties" option.

Click on "Device Manager".

Click on "Network Adapter".

Right-click on the stand-alone NIC driver and click ".

After the computer update driver, plug in the network cable and wifi can not access the Internet.

v If there is a wireless network, I connect to the wireless network and drive it with a 360 driver master or a driver Jingshou and Ling re-drive. If you don't have a royal book and can't connect to the network, you can put the best drive on the U disk and reinstall it on the computer. P.S

Driver uninstallation method: right-click on My Computer, click on "Properties" option, click on "Device Manager", click on "Network Adapter", right-click on the stand-alone NIC driver, and then click ".

Can't connect to the internet. It is not possible to use a wired network.

If there is a wireless network, connect to the wireless network and re-drive it with a 360 driver master or a driver wizard. If there is no way to connect to the network, you can put the best driver on the USB flash drive and reinstall it on the computer. P.S

Driver uninstallation method: right-click on my computer, click on the "Properties" option, click on "Device Manager", click on "Network Changmo Vertical Adaptor", right-click on the stand-alone NIC driver, and then click "Uninstall".

Summary. Open the tethering center;

Click on the wifi name to enter the properties;

Differences from method 1: Click Configure here;

Select the driver, and then select Uninstall. Continue uninstalling after the warning appears (don't worry, win10 will automatically reinstall when it restarts.)

After the computer update driver, plug in the network cable and wifi can not access the Internet.

1.Open the network sharing center; 2.Click on the wifi name to enter the properties; 3.

It is not the same as method 1: here is the point of the chain click configuration; 4.Select the driver, and then select Uninstall.

Continue uninstalling after the warning appears (don't worry, win10 will automatically reinstall when it restarts.)

Hello dear, the above is the method of plugging in the network cable and wifi after the computer update driver.

There's no wifi here.

Hello dear, this is needed to press to set up a new network and link.

1.Right-click on My Computer, click "Properties", and select "Device Manager" on the left

3.If an exclamation point appears on the left side of the driver in the box, right-click the adapter to "Uninstall".

4.Select Delete Driver. Click "OK".

5.Right-click on the network adapter and click "Scan for Hardware Changes".

If Power Management is installed, press the FN+5F button to see if the wireless network is enabled.

3. The wireless network is blocked by different software conflicts or anti-virus software, please uninstall this attempt first to see if anti-virus software is installed in your software, such as 360 anti-virus. Security Guard and QQ Manager are installed at the same time, please uninstall them all and try again.

If the above still does not solve the problem for you, please connect to Lenovo service.

This connection can query the Lenovo service location.

You can also consider using the Lenovo Remote Assistance feature. "

The network adapters are gone!

The driver wizard drives the wireless network.

It may be that the network cable is in arrears, and you can use it after paying the fee. If you are not in arrears, you can try, open the Internet neighbor, select the local connection, double-click the Internet protocol - pop up the Internet protocol property box, check Use the following IP address and use the following DNS server address.

Win7 system plug cable can not go to the Internet solution:

1. Right-click on the online neighbor property to create a new connection.

Then select by default"Connect to the Internet", click"Next".

3. Choose here"Set up the connection manually"and click again"Next".

4. Choose"Connect with a broadband connection that requires a username and password", click"Next".

5. Prompt for input"Broadband connection", enter as you like, and then click"Next".

Here you can select this connection to be used by any user, click directly"Next".

6. Then enter the adsl (i.e. user name) and password (pay attention to the format of the user name and password and the case of the letters), and set the security aspects of this Internet connection according to the prompts of the wizard, and then click"Next".

7. ADSL virtual dialing setting is completed.

, click"Done", you'll see an extra connection icon on the desktop.

8. If the username and password are confirmed, click directly"Connections"You can dial up the Internet.

9. After successfully connecting, you will see the icon of two computers connected in the lower right corner of the screen.

Is it a firewall problem.

Don't you have antivirus software installed? Recommend a Kingsoft Poison + Kingsoft Guardian + Kingsoft Net Shield, just scan and fix it.