Acer Aspire 4230 Service Guide

Chapter 3111
Replacing the Hard Disk Drive Module
NOTE: To prevent damage to device, avoid pressing down on it or placing heavy objects on top of it.  3.Push the ODD module into the ODD bay as shown.4.Ensure that the ODD is flush with the chassis and 
the screw socket is aligned with the screw socket in 
the lower base.
NOTE: Do not insert a screw to secure the ODD. The ODD is secured after replacing the lower cover and 
all captive screws are tightened.
1.Insert the HDD in to the carrier.2.Replace the...

11 2Chapter 3
Replacing the WLAN Module
3.Place the HDD assembly in the HDD bay and push 
in the direction shown to connect the interface.4.Replace the two securing screws.
1.Insert the WLAN board into the WLAN socket.2.Replace the two securing screws.
3.Connect the Antenna cables to the terminals as shown.
NOTE: The Antennas must be connected as shown, black to the upper terminal and white to the lower 
terminal. 

Chapter 311 3
Replacing the DIMM Modules
NOTE: If DIMM modules are not installed properly, the computer does not boot, and no service error is 
displayed.
Replacing the Lower Cover
1.Align the notch in the connector with the notch in 
the module and slide the DIMM module firmly in 
place.2.Press down on the module until it clicks in place.
1.Insert the cover tabs as shown and press the lower 
cover in place.2.Secure the nine captive screws to attach the Lower 
Cover. 

11 4Chapter 3
Replacing the SD Dummy Card
1.Insert the SD Dummy Card into the slot and press until it clicks in to place.
Replacing the ExpressCard Dummy Card
1.Insert the ExpressCard into the slot and press until it clicks in to place.
Replacing the Battery
1.Slide and hold the battery latch to the release 
position (1), then replace the battery pack (2).2.Slide the battery lock/unlock latch to the lock 
position.
(1) (2) 

Chapter 411 5
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...

11 6Chapter 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 411 7
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...

11 8Chapter 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 48.
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 48....

Chapter 411 9
LCD Failure
If the LCD fails, perform the following actions one at a time to correct the problem. Do not replace a non-
defective FRUs:
Built-In Keyboard Failure
If the built-in Keyboard fails, perform the following actions one at a time to correct the problem. Do not replace 
a non-defective FRUs: 

120Chapter 4
Touch Pad Failure
If the To u c h  P a d doesn’t work, perform the following actions one at a time to correct the problem. Do not 
replace a non-defective FRUs:
Internal Speaker Failure
If the internal Speakers fail, perform the following actions one at a time to correct the problem. Do not replace 
a non-defective FRUs: