better to check Wireless Adapter Driver on Device Manager.
If it has a “!” sign.
as to my laptop it has that.
i just simply download update on Intel website on Updated Wireless Adapter Driver.
https://downloadcenter.intel.com/product/99446/Intel-Wireless-AC-9560
After i downloaded i directly install it
you can search product updates here
for intel Drivers click here https://downloadcenter.intel.com/
and “WALLA”!
FIXED.