Subtronics LLC
Troubleshooting Help
Screen Is Black but the Computer Is On
Repair • Upgrade • Build — Your Local Computer Experts
If lights and fans come on but the display stays black, the issue could be the monitor, cable, graphics path, RAM seating, or deeper hardware trouble.
Need help now?
810-280-2222
810-280-2222
Located in Flushing and serving all of Genesee County. Pickup and drop-off available countywide.
Safe first steps
- Test a different display or cable if available
- Check monitor input selection
- Listen for normal boot behavior
- Disconnect docks and adapters
Warning signs to take seriously
- Repeated failed boots
- New gpu or monitor changes
- No display after a power event
What this usually means
A black screen can be simple, but repeated no-display problems deserve real diagnostics.
If that sounds like too much, Subtronics LLC is always happy to help with diagnostics, repair, upgrade advice, or a second opinion before you spend money on parts you may not need.