52 Chapter 3
8. Detach the fingerprint board from its bracket.
9. Carefully pry loose the touchpad board from the upper case to detach it.
CAUTION: The touchpad board is glued to the upper case. Remove the touchpad board only if it is defective.
Removing the Card Reader Board
1. Remove the screws securing the card reader board to the system board.
Step Type Quantity Color Torque
1M2 x L3 BZN+NYLOK 2 Silver 1.6 kgf-cm +/-15%
Acer TM 4520 SG.book Page 52 Friday, June 22, 2007 5:43 PM