Removing The Mainboard; Removing The Bottom Screws; Removing The Keyboard/Touchpad Board And Dc-Dc Converter Board Cover - Acer 390 Series Service Manual

4.6.6

Removing the Mainboard

Follow these steps to remove the mainboard:
1. Remove the screws found on the lower case (ten total screws, two screws shorter than the rest
found on the front corners of the computer).
Figure 4-20

Removing the Bottom Screws

2. Remove the keyboard/touchpad board (CN18). Remove two screws and remove the plate
that covers the DC-DC converter board.
Figure 4-21

Removing the Keyboard/Touchpad Board and DC-DC Converter Board Cover

Disassembly and Unit Replacement 4-17