Windows 10 · Windows
Check a Windows PC for Possible Hardware Problems
Source-checked About 10 minutes
Answer
Back up important data first, record the exact symptoms, use Windows and manufacturer diagnostics where available, and seek repair help for repeatable crashes, overheating, storage warnings, or physical damage.
Prepare the correct account, device, or project
Back up important files and record the exact crash, warning, noise, temperature, storage health, and conditions that reproduce the suspected hardware fault. Use Windows and the device maker's diagnostics without stress-testing unstable storage or overheating components. Software checks cannot prove every part healthy; stop using physically damaged, unusually hot, or mechanically noisy hardware until assessed.
Back up important data
Copy important files before running diagnostics or continuing with a device that may be failing.
Record repeatable symptoms
Note errors, temperatures, noises, and when the problem appears.
Run supported diagnostics
Use the hardware manufacturer’s diagnostics and Microsoft troubleshooting guidance for the matching symptom.
Verify the result
Repeat only a safe, non-destructive diagnostic and record its result, temperatures, storage health, memory errors, and whether the original symptom returns.
Use the supported recovery boundary
If the expected result is unavailable or the interface differs, stop before deleting additional data, weakening security, or using a third-party workaround. Recheck the exact account, device, permissions, compatibility, and current product state, then compare the result with the linked Microsoft Support guidance. Preserve the original files and exact error so official support can diagnose this specific task without guessing.
Video walkthrough
If it does not work
- Stop immediately for overheating, burning smell, swelling, electrical damage, unusual drive noise, or worsening errors. Back up recoverable data and seek qualified hardware service.
Sources and verification
Checked against official documentation on . Scope: Windows.
Follow the linked first-party guidance if labels differ after a platform or app update.