Acer Aspire X3950 Service Guide - Page 57

Removing the Mainboard 1. See "Removing the Side Panel" on page 29. 2. See "Removing the Front Bezel" on page 30. 3. See "Removing the Heatsink Fan Assembly" on page 32. 4. See "Removing the Processor" on page 34. 5. See "Remove the HDD-ODD bracket" on page 36. 6. See "Removing the Memory Modules" on page 42. 7. See "Removing an Expansion Card" on page 43. 8. See "Removing the Front I/O and Card Reader Boards" on page 46. 9. For the X5950 model, disconnect the LED cable from its mainboard connector before proceeding. 10. Remove the screw (C) on the rear panel. X3950 X5950 Screw (Quantity) M3xL5 BZN (1) Color Black Torque 5.5 to 6.5 kgf-cm 11. Remove the six screws (B) that secure the mainboard to the housing. Part No. 86.1A324.5R0 Screw (Quantity) #6-32 L6 NI (6) Color Silver Torque 5.7 to 6.3 kgf-cm Part No. 86.00J44.C60 NOTE: The mainboard has been highlighted with a yellow rectangle as above image shows. Please detach the mainboard and follow local regulations for disposal. Chapter 3 49