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Good Day Chitsanuphongjanukongwattana,
Does other device can connect to your wifi? can you please check for us to see if the issue if the issue is with your computer or the wifi itself.
You can try to download the other drivers.
-Press Windows key + X
-Go to Device Manager
-Expand the Network Adapters
-Look for the Wireless driver that was installed
-Right click and Uninstall
Once uninstalled go to this link and download the driver.
https://global-download.acer.com/GDFiles/Driver...
If issue persists you may consider to perform clean installation.
Save all your important files in a external drive to prevent data lost and proceed with clean install.
https://answers.microsoft.com/en-us/insider/for...
Have a wonderful day ahead and stay safe.
Sincerely,
Carlo T.