Acer Aspire 4750Z Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 66

16. Lift the main board gently and remove it carefully from the lower case.. Note: Circuit boards > 10cm2 has been highlighted with the yellow square as shown in the figure above. Please detach the circuit boards and follow the local regulations for disposal. Removing the Heatsink Module 1. See "Removing the Battery Pack" on page 36. 2. See "Removing the Optical Drive Module" on page 37. 3. See "Removing the Back Cover" on page 38. 4. See "Removing the Hard Disk Drive Module" on page 39. 5. See "Removing the Wireless LAN Card" on page 40. 6. See "Removing the DIMM Module" on page 42. 7. See "Removing the Keyboard" on page 44. 8. See "Separating the Upper Case from the Lower Case" on page 45. 9. See "Removing the Bluetooth Module" on page 52. 10. See "Removing the RTC Battery" on page 53. 11. See "Removing the USB Board" on page 54. 12. See "Removing the Main Board" on page 55. 58 Chapter 3