Acer Aspire 2420 Aspire 2420, 2920, 2920Z Service Guide - Page 88

15. Remove the four screws (A) holding the launch board and remove the launch board from the upper cover. Step 1~4 Size (Quantity) M2 x L3 (4) Color Black Torque 1.6 kgf-cm Removing theTouch Pad Board Module 1. See "Removing the Battery Pack" on page 56. 2. See "Removing the SD dummy card" on page 56. 3. See "Removing the ExpressCard dummy card" on page 57. 4. See "Removing the Lower Cover" on page 57. 5. See "Removing the DIMM" on page 59. 6. See "Removing the WLAN Board Modules" on page 60. 7. See "Removing the Hard Disk Drive Module" on page 61. 8. See "Removing the Optical Drive Module" on page 63. 9. See "Removing the CPU and VGA Heatsink Module" on page 65. 10. See "Removing the CPU" on page 67. 11. See "Removing the Keyboard" on page 69. 12. See "Removing the LCD Module" on page 70. 78 Chapter 3