Knowledge base for software setup, errors, and daily tool work.

Bluetooth Hardware Not Found on Windows 11: Fixes

You open Bluetooth settings in Windows 11 and see 'Bluetooth hardware not found' – no swi...

How to Fix Git Detached HEAD State and Undo Changes

You run git status and see something like "HEAD detached at abc123". This ha...

Fix DNS Probe Finished NXDOMAIN After Windows Update

After a Windows update, some users see the error 'DNS_PROBE_FINISHED_NXDOMAIN' in Chrome ...

Fix DNS Probe Finished NXDOMAIN Not Working on WiFi

If you see "DNS_PROBE_FINISHED_NXDOMAIN" in Chrome while connected to WiFi, your browser ...

Fix Git Push Rejected Non Fast Forward Error

Fix VS Code Source Control Not Detecting Changes on Ubuntu

If you're using VS Code on Ubuntu and the Source Control panel shows no changes even after ed...