Acer Aspire 4935 Service Guide

Chapter 391
Removing the Modem Module
1.Remove the Upper Base. See “Removing the Upper Base” on page 79.
2.Remove the adhesive tape securing the cable to the Modem and remove the two securing screws.
3.Lift the Modem Module clear of the Mainboard as shown.
4.Turn the module over and disconnect the Modem cable. Remove the module from the casing.
StepSizeQuantityScrew Type
Modem Module M2*3 2 

92Chapter 3
Removing the Bluetooth Module
1.See “Removing the Upper Base” on page 79.
2.Grasp the cable as shown and pull to disconnect from the Bluetooth module.
3.Disconnect the cable from the Mainboard and remove the adhesive tape to free the cable.
4.Remove the single securing screw and remove the module from the chassis.
StepSizeQuantityScrew Type
Bluetooth Module M2.5*3 1 

Chapter 393
Removing the Mainboard
1.See “Removing the Upper Base” on page 79.
2.See “Removing the USB Board” on page 89.
3.See “Removing the Modem Module” on page 91.
4.See “Removing the Bluetooth Module” on page 92.
5.Grasp the RJ-11 cable and remove it from the Mainboard as shown.
6.Remove the single securing screw.
StepSizeQuantityScrew Type
Mainboard M2.5*3 1 

94Chapter 3
7.Lift the mainboard right side first to remove from the base. 

Chapter 395
Removing the RJ-11 Port
1.See “Removing the Mainboard” on page 93.
2.Turn the Lower Base over and pull the Modem cable through the casing as shown.
3.Completely remove the Modem cable from the cable channel.
4.Turn the computer over. Pull the Modem cable completely through the casing as shown. 

96Chapter 3
5.Remove the adhesive tape and lift the cable out of the cable channel as shown.
6.Detach the adhesive and lift the cable bundle out of the casing.
7.Remove the RJ-11 Port from the casing. 

Chapter 397
Removing the Thermal Module
1.See “Removing the Mainboard” on page 93.
2.Turn the Mainboard over and place on a clean surface.
3.Hold the fan cable connector and lift to disconnect from the mainboard.
4.Remove the four screws from the Thermal Module numerically, from 4 to 1.
StepSizeQuantityScrew Type
CPU Thermal 
ModuleM2.5*5*3.2 4
1
4
3
2 

98Chapter 3
WARNING:To prevent damage to the Thermal Module or the CPU, hold and lift the Thermal Module by lifting 
both ends up and away at the same time.
5.Hold the module on both sides and lift it clear of the Mainboard. 
IMPORTANT:If the replacement Thermal Module does not include the thermal protection pad shown below, 
reuse the original thermal protection pad with the new Thermal Module. 

Chapter 399
Removing the CPU 
1.See “Removing the Thermal Module” on page 97.
2.Using a flat screwdriver, turn the CPU socket latch counter-clockwise 180° to release the CPU.
3.Lift the CPU clear of the Mainboard. 

100Chapter 3
 LCD Module Disassembly Process
LCD Module Disassembly Flowchart
Screw List
StepScrewQuantityPart No.
LCD Bezel M2.5*5 6 86.AD302.003
Camera Module M2.5*3 1 86.AD302.002
LCD Panel M2.5*5 2 86.AD302.003
M2.5*3 1 86.AD302.002
LCD Brackets M2*3 6 86.AD302.001
Rem ove
LED Panel
Rem ove
LED Bezel
Rem ove
LED FPC Cable
Rem ove
Camera Module
Remove LED
Panel from  Main
Unit before
proceeding
Rem ove
LED BracketsRem ove
Antenna
Rem ove
MIC Module