Troubleshooting
Boot failures, slowdowns, sound, network
The systematic way to find a fault you cannot see. Start with the method, then work down to the specific symptom: no power, no boot, no sound, no internet.
7 guides · ordered by how often they are needed
The PC911 Troubleshooting Method
Computer Won’t Turn On: No Power, No Lights, No Fans
Windows Won’t Boot: Blue Screen, Startup Repair and Recovery
Why Your Computer Is Slow (and What Actually Fixes It)
No Sound From Speakers or Headphones
Wi-Fi Connected but No Internet: A Fault-Finding Order
Computer Randomly Restarts or Shuts Down
Other sections