I upgraded my ancient PC from Windows 10 from Win 8.1 earlier this year and have since started to get issues with my wifi internet. For a month or two everything was okay after installing the Win 10 drivers for my wifi card, but afterwards I started experiencing disconnects. At first...
Troubleshooting i did:
1. Reinstalled Windows 10
2. Reseated Motherboard and PSU
3. Turned off "Allow this computer to turn off this device to save power" in all USB hubs on Device Manager
4. Uninstalled all devices using USBdeview (link)
5. Tried diagnostic startup and selective startup still...