Laptop unable to wake from sleep
4.5
The laptop goes to sleep but won't turn back on without a hard reboot.
Symptoms
- Black screen
- Keyboard lights on but no image
- Power button unresponsive
Possible Causes
- Graphics driver bug
- Intel Management Engine issue
- Deep sleep (C-state) error
Step-by-Step Fix
1
Update Graphics Driver
Ensure the GPU can properly re-initialize after sleep.
2
Disable Fast Startup
Fixes many sleep/hibernation issues in Windows.
3
Update Intel ME Driver
Crucial for power state transitions on Intel laptops.
When to See a Technician
This is often a "Display Handshake" issue where the monitor doesn't get the signal to wake up.
Rate this Fix
0 / 5(0 ratings)
Comments (0)
No comments yet. Be the first to share!