⚠
warning HP
Error Code Computer won't turn off with power button
Power function not responding.
? What Causes This
Fault in software control over switch.
✓ How to Fix It
- Hold power button >=4 seconds until system powers down.
- Disconnect power cord from outlet to reset.
Source: page 79 of the official manual
From the manual
This error code appears in:
HP Elitedesk 800 G2 Small Form Factor PC