Symptoms
- Screen freezes on shutdown/restart splash
- Have to hold the power button to turn off
- Hangs at a specific logo or blank screen
- Started after a recent update
Likely causes
- CommonA service or driver not responding to the shutdown signalCertain drivers (especially graphics or Wi-Fi) can hang the shutdown sequence.
- PossibleUSB or peripheral device causing a hangSome external devices interfere with the ACPI shutdown process.
- PossibleFilesystem taking a long time to unmountA drive with pending writes or an external drive can slow shutdown.
- Less commonBuggy kernel/firmware settingSome hardware needs specific kernel boot parameters to shut down cleanly.
What to do
- Wait at least 60 seconds in case it's just slow, especially after installing updates.
- Unplug external USB devices and try shutting down again to rule out a peripheral conflict.
- Check system logs after a forced restart with 'journalctl -b -1' to see what happened right before the hang.
- Search your specific error message or the last log lines online along with your distribution name.
- Try adding the kernel parameter 'acpi=force' or 'noapic' (varies by hardware) via GRUB as a common workaround, one at a time.
- As a last resort, holding the power button to force off is safe occasionally but shouldn't become a routine habit.
Tools and parts
- Terminal access
When to call a pro
If forced shutdowns become a daily habit, a Linux specialist can trace the exact service or driver causing the hang.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.