Once the I/O shield is in place and standoffs are secured in the case, the motherboard can be lowered into position. The installer should align the screw holes with the standoffs, ensuring the back ports poke through the I/O shield correctly. It is important not to overtighten the screws; they should be snug enough to hold the board firm, but loose enough to prevent cracking the board, which could cause a short circuit.
Look for the silkscreened text "AAHD3-VC" printed on the board between the PCIe slots or near the 24-pin power connector. acer aahd3vc motherboard manual install
Acer AAHD3-VC is an OEM (Original Equipment Manufacturer) micro-ATX motherboard typically found in Acer Aspire Once the I/O shield is in place and