Acer Extensa 4220 TravelMate 4320/4720 and Extensa 4220/4620 Service Guide - Page 63

Removing the Lower Cover 1. See "Removing the Battery Pack" on page 51. 2. See "Removing the SD Dummy Card" on page 51. 3. See "Removing the Express Dummy Card" on page 52. 4. Loosen the four screws (A) on the lower cover. Step 1~4 Size (Quantity) M2 x L4 (4) 5. Remove the screw (B) on the lower cover. Step Size (Quantity) 5 M2 x L18 6. Use a plastic screw driver to pry open the lower cover. 7. Remove the lower cover from the lower case. Color Black Color Torque 1.6 kgf-cm Torque 1.6 kgf-cm Removing the DIMM 1. See "Removing the Battery Pack" on page 51. 2. See "Removing the SD Dummy Card" on page 51. 3. See "Removing the Express Dummy Card" on page 52. 4. See "Removing the Lower Cover" on page 53. Chapter 3 53