Acer 4740ZG User Manual

Chapter 3

55

Removing the Mainboard

Disconnect the USB board cable from its mainboard connector.

Remove the screw (D) securing the mainboard. 

IMPORTANT: A circuit board that is >10 cm² has been highlighted with the yellow square as above 

image shows. Follow local regulations for disposing this type of circuit board.

The CMOS battery has been highlighted with a yellow circle in the previous image. Detach the RTC battery 
and follow the local regulations for disposing it. 

Carefully pull the mainboard out of the base enclosure, then flip it over. 

M2.5 x L6 

4

Black

1.6 kgf-cm

86.00E33.736