I have a very strange issue with a HP Elitedesk 800 G6 mini (35W) unit - I acquired it as a barebones unit (no CPU/RAM/SSD), when plugging in power without any of this, I receive the correct 3 long, 5 short beeps (CPU initialization error).
I acquired the correct CPU for this, an i5-10500T and 8GB of RAM, after installing it into the motherboard:
- Plugging in power adapter does not trigger auto-initialize (quick fan spin/power on check), the AMBER LED below motherboard does blink to indicate power connected
- Pressing power button does not turn unit on, the white