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Problem
The computer powers off unexpectedly without user action or warning.
Symptoms
Computer shuts down suddenly during use.
No error message appears before shutdown.
Shutdowns occur more often under heavy workload.
Computer restarts on its own after shutting down.
Possible Causes
Overheating.
Failing power supply.
Faulty RAM.
Corrupted operating system files.
Electrical issues with the power outlet.
Resolution
Step 1
Check if the computer feels excessively hot during use.
Step 2
Clean dust from air vents and fans.
Step 3
Test the computer on a different power outlet.
Step 4
Run a memory diagnostic tool to check for faulty RAM.
Step 5
Check Event Viewer for error logs around the time of shutdown.
Step 6
Update the operating system and drivers.
Step 7
If shutdowns continue, have the power supply tested or replaced.
Prevention
Keep the computer clean and well-ventilated.
Use a surge protector.
Run regular system and hardware diagnostics.
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