Acer AC100 Acer AC100 Service Guide - Page 48

3. Remove the one screw that secures the front I/O board bracket to the mainboard tray. Screw (Quantity) M3-0.5*4 NI (1) Color Chrome Torque 5.1 to 6.9 kgf-cm Part No. 86.1A524.4R0 4. Slide the front I/O board bracket slightly to the left to release its tabs from the mainboard tray notches. Lift to detach the front I/O board bracket. 5. Remove the three screws that secure the front I/O board to the bracket. Screw (Quantity) M3 x L4 (3) 42 Color Chrome Torque 5.1 to 6.9 kgf-cm Part No. 86.19534.4R0 Chapter 5