Laptop shutting down when unplugged
4.5
The laptop works fine on the charger but turns off instantly when the power cord is removed.
Symptoms
- Instant power off
- Battery shows 0%
- No warning
Possible Causes
- Dead battery cells
- Disconnected battery cable
- Motherboard power circuit failure
Step-by-Step Fix
1
Check Battery Connection
Open the laptop and ensure the battery connector is seated firmly.
2
Run Battery Report
Use "powercfg /batteryreport" to check the health status.
3
Replace Battery
If the battery is old, it likely has no capacity left to hold a charge.
When to See a Technician
If the battery shows 100% but dies instantly, the internal protection circuit is likely tripped.
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