Before installing anything, confirm you have the correct board.
To enter the BIOS after installation, restart your computer and repeatedly tap the or F2 key when the Acer logo appears. If you need to update the firmware: Acer Aahd3vc Motherboard Manual - Facebook acer aahd3vc motherboard manual install
The front panel header is often the most difficult part of the install. Locate the header (usually labeled ) on the bottom right of the board. The pins are typically arranged in two rows: Polarity/Notes 1 & 2 HDD LED 1 (+), 2 (-). If it doesn't light up, flip the connector. 2 & 4 Power LED 2 (+), 4 (-). Often uses separate 1-pin connectors. 5 & 7 Reset Switch Orientation does not matter for switches. 6 & 8 Power Button Orientation does not matter. 12 & 14 LAN LED Connected sideways relative to other pins. Before installing anything, confirm you have the correct
Unlike standard boards where polarity matters for LEDs (positive/negative), switches generally work regardless of orientation. The installer should use a flathead screwdriver to short the two "Power" pins to test the board before connecting the physical button, ensuring they have identified the correct pins. Locate the header (usually labeled ) on the