Tech fixes · Windows PC Problems

Computer Restarts or Freezes on Its Own? How to Track Down the Cause

Check Reliability Monitor and Windows Update history first. Unexpected restarts usually come from overheating, power problems, crashing drivers or failing hardware, and Windows’ logs show which.

Also searched as: PC restarts randomly · computer freezes and restarts · laptop shuts off by itself · computer reboots without warning

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Try this first

Search for “reliability history” and look at the days it restarted
Check Windows Update history and set active hours
Feel for heat and listen to the fan; clean the vents
Turn off “Automatically restart” under System › About › Advanced system settings › Startup and Recovery to see crash messages
Update drivers and BIOS from the maker’s site
Back up your files in case the hardware is failing

When it’s more than a quick fix

If it shuts off instantly with no warning and nothing in the logs, it’s usually power or heat, which needs hands-on repair.

How we fix it remotely

We read the reliability and event logs over Remote Help, fix software causes, and tell you plainly if it needs a repair visit.

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How a remote fix works

1
Tell us what’s happening
Two minutes with the form on this page. No account needed.
2
Get a fixed price
A reply within one business day, with the price agreed before any work starts.
3
We fix it remotely
You approve access, follow progress and pay in your private client portal.

Can we fix it remotely?

Most computer problems, yes. With Remote Help you watch every step, approve anything risky and end the session any time.

How Remote Help works

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Questions

Why does my PC restart overnight?

Usually Windows Update. Set active hours or schedule restarts for when you’re not using it.

Can overheating cause restarts?

Yes. Computers shut down to protect themselves; dusty vents and old cooling are common causes.

Can you fix this remotely?