Acer Aspire 5935 Service Guide

Chapter 3121
Replacing the Switch Cover
Replacing the WLAN Module
1.Place the Switch Cover left side first on to the 
upper case as shown.2.Press down on the sides of the cover to secure it in 
place.
3.Press down the centre of the cover to secure it in 
place.4.Turn the computer over and secure the single 
securing screw.
NOTE: The Switch Cover securing screw is not 
used on some production models.
1.Insert the WLAN board into the WLAN socket.2.Replace the single screw to secure the module. 

122Chapter 3
3.Connect the two antenna cables to the module.
NOTE: The black antenna cable connects to the 
upper terminal and the white antenna cable 
to the lower terminal.4.Tuck the gray cable down the side of the WLAN 
Module, as shown, to avoid trapping. 

Chapter 3123
Replacing the DIMM Modules
Replacing the Hard Disk Drive Module
1.Insert the DIMM Module in place.2.Press down to lock the DIMM module in place.
1.Place the HDD in the HDD carrier.2.Replace the four screws to secure the carrier.
3.Insert the HDD, interface side first, and lower it into 
place.4.Slide the HDD in the direction of the arrow to 
connect the interface. 

124Chapter 3
Replacing the ODD Module
1.With the ODD tray in the eject position, replace the 
ODD cover on the new ODD Module.2.Press the cover into the tray, bottom edge first, to 
secure.
3.Secure ODD bracket with two screws.4.Slide the module in to the chassis and press until 
the module is flush with the chassis.
5.Replace the single screw to secure the Module. 

Chapter 3125
Replacing the Lower Covers
1.Replace the Memory Cover back edge first as 
shown.2.Press down the left side as shown.
IMPORTANT: Ensure that the all the securing tabs are correctly located in the casing.
3.Secure the four captive screws.
HDD 
Cover Memory 
Cover 

126Chapter 3
Replacing the SD Dummy Card
Push the SD Dummy into the slot until an audible click indicates that the card is correctly inserted.
Replacing the Battery
1.Slide and hold the battery release latch to the 
release position (1), insert the battery pack and 
press down (2).2.Slide the battery lock in the direction shown to 
secure the battery in place.
12 

Chapter 4127
Troubleshooting
Common Problems
Use the following procedure as a guide for computer problems.
NOTE: The diagnostic tests are intended to test only Acer products. Non-Acer products, prototype cards, or 
modified options can give false errors and invalid system responses.
1.Obtain the failing symptoms in as much detail as possible.
2.Verify the symptoms by attempting to re-create the failure by running the diagnostic test or by repeating 
the same operation.
3.Use the following table with the...

128Chapter 4
Power On Issue
If the system doesn’t power on, perform the following actions one at a time to correct the problem. Do not 
replace a non-defective FRUs:
Computer Shutsdown Intermittently
If the system powers off at intervals, perform the following actions one at a time to correct the problem.
1.Check the power cable is properly connected to the computer and the electrical outlet. 
2.Remove any extension cables between the computer and the outlet.
3.Remove any surge protectors between the...

Chapter 4129
No Display Issue
If the Display doesn’t work, perform the following actions one at a time to correct the problem. Do not replace 
a non-defective FRUs:
No POST or Video
If the POST or video doesn’t display, perform the following actions one at a time to correct the problem.
1.Make sure that the internal display is selected. On this notebook model, switching between the internal 
display and the external display is done by pressing Fn+F5. Reference Product pages for specific model...

130Chapter 4
Abnormal Video Display
If video displays abnormally, perform the following actions one at a time to correct the problem.
1.Reboot the computer.
2.If permanent vertical/horizontal lines or dark spots display in the same location, the LCD is faulty and 
should be replaced. See “Disassembly Process” on page 46.
3.If extensive pixel damage is present (different colored spots in the same locations on the screen), the LCD 
is faulty and should be replaced. See “Disassembly Process” on page 46....