Linux Troubleshooting
Something broken? Find your problem below. Each guide gives you the fix first, explanation second.
Looking for something else? Browse all troubleshooting articles or search everything.
NVIDIA Drivers Not Working
Black screen after install, low resolution, GPU not detected, or laptop hybrid graphics not switching properly.
WiFi Not Working
Wireless adapter not detected, can't connect to networks, or WiFi drops out constantly.
System Won't Boot / GRUB Rescue
Stuck at GRUB rescue, black screen on startup, or Linux disappeared after a Windows update.
No Sound / Audio Issues
No audio output, wrong device selected, Bluetooth headphones not working, or HDMI audio problems.
Dual Boot Problems
Windows update broke your Linux boot, clock is wrong, can't access Windows files, or BitLocker issues.
Permission Denied
Can't run commands, access files, or mount drives. Learn sudo, chmod, chown, and common permission fixes.
System Running Slow
Computer feels sluggish? Find out what's eating your resources and how to fix it.
Broken Updates
Update went wrong? Can't install anything? Fix broken packages, dependency errors, and failed upgrades.
Printing & Scanning
Printer not detected, won't print, or scanner not working. Setup guides for HP, Brother, Epson, and Canon.
Display & Screen Issues
Wrong resolution, screen tearing, multi-monitor setup, HiDPI scaling, flickering, or black screen after login.