Laptop battery drains too fast
4.5
The battery life is significantly shorter than expected or used to be.
Symptoms
- Rapid percentage drop
- Sudden shutdown
- Short runtime
Possible Causes
- High brightness
- Background apps
- Degraded battery cells
Step-by-Step Fix
1
Check Battery Health
Run a battery report (powercfg /batteryreport) to see actual capacity.
2
Optimize Power Settings
Switch to "Balanced" or "Power Saver" mode.
3
Close Background Apps
Identify apps using high CPU/GPU resources.
When to See a Technician
Heat is the biggest enemy of battery life; avoid using the laptop on soft surfaces.
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