Acer | Aahd3-vc Motherboard Manual New!
This was a common tactic by big OEMs (Acer, HP, Dell) to ensure that if a power supply failed, the user had to buy a replacement from Acer, rather than grabbing a standard Corsair or EVGA unit off the shelf. It forces the "manual" reader to become a detective, tracing wires to ensure a standard PSU won't fry the board if adapted incorrectly.
for specific troubleshooting threads where users share photos of their board layouts Acer Community Are you having trouble with a specific header connection or looking for CPU compatibility Acer Aahd3-vc Motherboard Manual - Google Groups acer aahd3-vc motherboard manual
: If the system fails to post, you can reset the BIOS by removing the coin cell battery or moving the BIOS clear jumper from position 1-2 to 2-3 for 30 seconds. This was a common tactic by big OEMs