Acer Aspire 4935 Service Guide

Chapter 3121
Replacing the Mainboard
1.Ensure that the Mainboard is face up. Place the Mainboard in the chassis, left hand edge first to allow the
I/O Ports through the casing, then lower it into place.
2. Ensure the screw socket is aligned. Replace the single securing screws as shown.
NOTE: Make sure the I/O ports are positioned correctly through the lower cover, and the screw sockets are 
visible through the mainboard.
3.Replace the RJ-11 cable in the retaining clip on the Mainboard. 

122Chapter 3
Replacing the Bluetooth Board
Replacing the Modem Module
1.Insert the Bluetooth Module left side first and lower 
it into place.2.Replace the single securing screw.
3.Reconnect the Bluetooth cable to the Mainboard 
and secure the cable in place with the tape.4.Reconnect the Bluetooth cable to the Bluetooth 
Module.
1.Connect the modem cable as shown.2.Replace the Modem Module on the Mainboard. 

Chapter 3123
Replacing the USB Board
3.Align the screw sockets and replace the two 
screws.4.Secure the Modem cable in place with the 
adhesive tape.
1.Insert the USB Board into the casing, ensuring that 
the USB Port is accessible through the case.2.Run the cable along the casing and insert it into the 
FFC connector.
3.Lock the connector and press down on the FFC 
cable to secure it on the casing.4.Ensure the locating pins is correctly seated and 
replace the single securing screw.
Locating Pin 

124Chapter 3
Replacing the Media Board
1.Insert the Media Board FFC through the Upper 
Base as shown, a place the board in the bay.2.Slide the Media Board in the direction of the arrow 
to engage the securing clips.
3.Press the Media Board down to secure it in place.4.Place the Backlight Panel on the Media Board 
Cover and press down over the entire surface.
5.Replace the Media Board Cover and press down to 
secure it in place.6.Turn the Upper Base over and run the FFC cable 
along the casing as shown....

Chapter 3125
Replacing the eKey Board
Replacing the TouchPad Bracket
1.Place the eKey Board in the Upper Base, right side 
first, to engage the securing clip.2.Run the FFC cable along the casing as shown. 
Press down to secure it in place.
3.Replace the single securing screw.
1.Place the TouchPad in the casing.2.Replace the two securing screws. 

126Chapter 3
Replacing the Finger Print Reader
3.Replace the FFC and close the locking latch.4.Run the cable along the Bracket and press down to 
secure it in place.
1.Replace the Finger Print Reader in the Upper 
Cover in the direction of the arrow.2.Run the FFC along the TouchPad bracket, as 
shown, and press down to secure it in place.
3.Replace the FInger Print Reader Bracket rear edge 
first and lower it into place.4.Replace the single securing screw. 

Chapter 3127
Replacing the Upper Cover
WARNING:Care must be taken when replacing the Upper Cover to prevent damage or stress to the surface.
1.Place the Upper Cover on the Lower Cover, front edge first, and lower it into place.
2.Starting with the sides, press down all around the perimeter of the cover to secure it in place. 

128Chapter 3
3.Reconnect the four FFC cables to the mainboard.
Connect A as shown and lock the connector. Connect B as shown and lock the connector.
Connect C as shown and lock the connector.
 Connect D as shown and lock the connector.
B
D
A
C 

Chapter 3129
4.Replace the two securing screws in the Upper Cover.
5.Turn the computer over. Replace the fifteen screws on the bottom panel. 

130Chapter 3
Replacing the LCD Module
1.Carefully align the LCD module over the hinge 
sockets and lower the module into the chassis, 
taking care not to trap the LCD cables.2.Replace the two securing screws on the right hinge 
as shown.
3.Replace the adhesive strip on the left hinge.4.Replace the two securing screws on the left hinge 
as shown.
5.Reconnect the LCD cable to the Mainboard.