Please be assured that we would do our best to assist you.
This issue could be due to incompatible or corrupt device driver installed.
Please answer the following questions so that we can help you.
- What is the make and model of the computer?
- How did the update the wireless LAN driver?
- Which anti-virus program is installed on the PC?
I suggest you to follow the method below and check if it helps:
Roll back Driver
The Roll Back Driver feature enables you to replace a device driver by using a previously installed version. You can use this feature if you have installed a new device driver that causes your computer to be unstable. When you use the Roll Back Driver feature, you can restore (or roll back) the previous device driver, and continue to use the computer. Refer the steps below:
- Press Windows key +X.
- Click on Device Manager.
- Expand Network adapter.
- Navigate to the Wi-Fi driver and right click on the device.
- Click on Properties and click on Driver tab.
- Click on Roll Back Driver.
- Restart the computer and check if issue persists.
In addition, refer the Microsoft Help articles:
Why can’t I connect to a network?
Wired and wireless network problems:
Hope this information is helpful. Please do let us know if you need further assistance, we’ll be glad to assist you.