This is the most important rule: While Intel or Realtek may offer "generic" drivers, Acer often modifies the hardware or BIOS to work best with a specific driver version.
If you aren't sure whether you have an Intel or Realtek card, you can check via Device Manager: wifi driver acer
A faulty Wi-Fi driver can turn a premium Acer laptop into a paperweight, but the fix is usually just a few clicks away. Start with Windows Update, move to the Acer Support site for specific drivers, and don't be afraid to uninstall and reinstall the device if all else fails. This is the most important rule: While Intel
Have you encountered a specific error code that wasn't covered here? Let us know in the comments below! wifi driver acer