Unfortunately have an issue with the main power switch which I have traced the issue down to the motherboard! I know it's a long shot as motherboard manuals from Dell are hard to come by. I can turn it on using the bios options when mains power is applied to the PC after the mains power has been removed for a while.
The only markings on the motherboard are CN-0TP406 and underneath 316764300010 LF-PCB; PWA-SAN MARINO/MB_A01,12
However I would like to make it fully operational, with the power turned onto the unit from the front power switch. The wiring is fine, it looks like I am...
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