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

Fix Discord Black Screen from Chrome Hardware Acceleration

Why Chrome Hardware Acceleration Causes Discord Black Screen

When Chrome uses hardware a...

Fix Git 'refusing to merge unrelated histories' Error

When you try to merge two Git branches that don't share a common commit history, Git stops wi...

Fix Nginx 502 Bad Gateway with Docker and PHP-FPM

You have a Docker setup with Nginx proxying to a PHP-FPM container, and you're getting a 502 ...

Fix Cloudflare DNS Propagation Not Happening for www

You updated DNS records for your www subdomain in Cloudflare, but hours (or days) later, the chan...

How to Change Git Remote URL with git remote set-url origin

Sometimes you need to change the remote URL of your Git repository — for example, after switching...

Bluetooth Troubleshooting Checklist for Windows 11

Bluetooth on Windows 11 can be unreliable. If your device won't pair, keeps dropping, or does...