Laptop unable to sleep
4.5
The laptop stays on or wakes up immediately after being put to sleep.
Symptoms
- Screen stays on
- Fans keep spinning
- Wakes in bag
Possible Causes
- Wake timers
- USB device activity
- Network card "Wake on LAN"
Step-by-Step Fix
1
Check Wake Requests
Run "powercfg /lastwake" in CMD to see what woke the PC.
2
Disable Wake Timers
Go to Power Options > Edit Plan Settings > Advanced > Sleep.
3
Unplug USB Devices
A sensitive mouse or keyboard can wake the laptop.
When to See a Technician
Windows "Modern Standby" is notorious for keeping laptops awake; consider using Hibernate instead.
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