How to Fix a Blue Screen of Death (BSOD) on Your Laptop — Simple steps that actually help

Quick summary

If your laptop shows a blue screen (often called BSOD), don’t panic. This guide walks you through quick checks, safe steps to recover, and how to find the root cause using plain language and examples.

Before we start — safety & backup (must do)

1. Unplug and note the error

Write down any error code such as CRITICAL_PROCESS_DIED or 0x0000007E.

2. Try a safe restart

Hold power for 6–10 seconds, wait, then restart.

3. Try Safe Mode

Press F8 or use Windows Recovery to enter Safe Mode.

Common Causes

  • Hardware issues — RAM/HDD faults
  • Driver problems — outdated or corrupt drivers
  • Software conflicts
  • Overheating
  • Malware

Step-by-step troubleshooting

Quick fixes

Run Memory Diagnostic

mdsched.exe

Check Disk Health

chkdsk C: /f /r

When to check hardware

  • Test RAM using MemTest86
  • Test SSD/HDD using manufacturer tools

Examples

Example 1 — After graphics driver update

Roll back drivers in Safe Mode.

Example 2 — Random BSOD

Check RAM, HDD, temps, malware.

FAQ

Will restoring Windows remove my files? Yes, unless you choose “Keep my files”.

Can a virus cause BSOD? Rare, but possible.

When to contact a technician? If hardware tests fail or BSOD continues.