Power management causing system shutdown
4.5
The system shuts down completely instead of sleeping or hibernating.
Symptoms
- Lost work
- Full boot sequence on wake
- No "Sleep" option in menu
Possible Causes
- Power supply issues
- Critical thermal event
- Incorrect power button action
Step-by-Step Fix
1
Check Power Button Settings
Ensure "Choose what the power buttons do" isn't set to "Shut down".
2
Inspect Event Viewer
Look for "Kernel-Power" errors to see if the shutdown was graceful or a crash.
3
Test Battery Health
A failing battery may not have enough voltage to maintain sleep mode.
When to See a Technician
If the PC shuts down only when unplugged, the battery cells are likely dead.
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