Laptop "Battery" Drains While Off
4.5
You shut down your laptop at 100%, but when you open it two days later, it's at 80%.
Symptoms
- Drain during shutdown
- Dead battery after storage
- Slow drain
Possible Causes
- "Fast Startup" enabled
- USB Power Share
- Connected Standby
Step-by-Step Fix
1
Disable "Fast Startup"
Control Panel > Power Options > Choose what the power buttons do > Uncheck "Turn on fast startup".
2
Disable "USB Power Share"
In BIOS, turn off the setting that keeps USB ports powered while the laptop is off.
3
Perform a Full Shutdown
Hold "Shift" while clicking "Shut Down" to ensure it doesn't go into a deep sleep.
When to See a Technician
Modern laptops never truly turn "off"; they stay in a low-power state to boot up faster.
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