Troubleshooting PC Hardware

Key Concepts

• Interpret POST and beep codes for hardware diagnostics
• Use BIOS/UEFI tools to diagnose and configure hardware
• Identify common hardware failure symptoms and causes
• Understand diagnostic tools and software for hardware testing (MemTest86, hardware monitoring)
• Follow troubleshooting methodology (identify, establish theory, test, plan, verify)
• Recognize power supply testing and safety precautions
• Troubleshoot common issues with RAM, storage, and peripherals

Homelab

1. Use your PC to run diagnostic tools like Windows Memory Diagnostic, CrystalDiskInfo for storage health, or hardware monitoring like HWMonitor.
2. Listen for POST beep codes on your PC and interpret them

Resources

1. https://www.computerhope.com/beep.htm