Acer 4720Z - Manual (Page 71)

Chapter 3 65
10. Disconnect the LCD cable from the rear of the LCD.
11. Detach the microphone cable from the LCD cover and remove the microphone.
12. Remove the CCD module from the LCD cover as shown.
Disassembling the External Modules
Disassembling the HDD Module
1. Remove the two screws fastening the bracket to the HDD module.
2. Remove the bracket.
Disassembling the ODD Module
1. Remove the two screws holding the optical bracket.
2. Then remove the optical bracket from the optical disk drive.