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

Fix Chrome Black Screen with Hardware Acceleration and Zoom

If you're seeing a black screen in Chrome after zooming in or out, especially with hardware a...

Fix Chrome Hardware Acceleration Black Screen on Laptop

If your laptop screen goes black when using Chrome, especially during video playback or scrolling...

DNS Probe Finished NXDOMAIN: Fix When ipconfig /flushdns Fails

You're browsing normally and suddenly Chrome shows "DNS_PROBE_FINISHED_NXDOMAIN". You...

How to Push a Git Detached HEAD to Remote

You're working on a Git repository and realize you're in a 'detached HEAD' state....

Fix Nginx Upstream Connection Refused in Proxy Pass