Automatic startup after a power outage – GMKtec NucBox G5
Introduction and orientation
Configure the GMKtec NucBox G5 to power on automatically when electricity is restored. This is a one-time BIOS setting.
Steps and settings
Setup procedure
Prepare the PC.
- Shut the PC completely down.
- Connect a keyboard and mouse.
- Turn the PC on and immediately press F7 repeatedly until the boot menu appears.
Open the BIOS.
Use the arrow keys to select Enter Setup, then press Enter. The BIOS setup will open.

Open Chipset settings.
Use the left and right arrow keys to open the Chipset tab.

Open PCH-IO Configuration.
Use the up and down arrow keys to select PCH-IO Configuration, then press Enter.

Find Wake on Power.
Select Wake on Power and press Enter.

Set State S0.
Set Wake on Power to State S0 and press Enter. This tells the PC to start automatically whenever power is supplied.

Save the changes and exit.
Press Esc, open the Save & Exit tab, and select Save Changes and Exit. Confirm with Enter.

Verify the setting.
The PC will restart with the new setting. To verify it, disconnect the power, wait a few seconds, and reconnect it. The GMKtec NucBox G5 should power on automatically without pressing the power button.
Tip: This setting is useful for digital signage players that should automatically return to operation after a power outage.
Related topics and next steps
← Back to overview – Setup & Management
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