Laptop shutting down unexpectedly
4.5
The laptop turns off suddenly without any warning or error message.
Symptoms
- Sudden black screen
- Power loss
- No blue screen
Possible Causes
- Overheating
- Faulty battery
- Motherboard short
Step-by-Step Fix
1
Monitor Temperatures
Use software like HWMonitor to check for thermal issues.
2
Test without Battery
Remove the battery and run on AC power to rule out battery shorts.
3
Check Event Viewer
Look for "Critical" errors in the Windows logs.
When to See a Technician
Sudden shutdowns are usually a hardware protection mechanism triggered by heat or power spikes.
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