Acer Aspire 2930 Service Guide

							Chapter 3121
Replacing the DIMM Modules
1.Replace the DIMM modules bottom first and press down to lock in place. 
						

							122Chapter 3
Replacing the ODD Module 
Replacing the Lower Covers
1.Insert the bezel into the module as shown. 2.Turn the ODD Module around and secure the 
bracket with the two screws, as provided.
3. Insert the ODD module into the bay as shown. 4. Replace the single securing screw.
1.Replace the Memory Cover. 2. Tighten the two securing screws. 
						

							Chapter 3123
Replacing the Express and SD Card Trays
3. Replace the WLAN cover as shown. 4. Tighten the single securing screw.
1.Insert the Express Card and push into the slot until 
flush with the chassis cover.2. Insert the SD Card and push into the slot until flush 
with the chassis cover. 
						

							124Chapter 3 
						

							Chapter 4125
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 verified symptom to determine which page to go to.
4.If the Issue is still not resolved, see “Online Support Information” on page 235.
Symptoms (Verified)Go To
Power On Issue Page 126
No Display Issue Page 127
LCD Failure Page 129
Internal Keyboard Failure Page 129
Touch Pad Failure Page 130
Internal Speaker Failure Page 130
Internal Microphone Failure Page 132
ODD Failure Page 134
Rightside USB Failure Page 137
Modem Failure Page 137
WLAN Failure Page 138
Acer EasyLaunch Button Failure Page 138
Acer MediaTouch Failure Page 139
Fingerprint Reader Failure Page 139
Thermal Unit Failure Page 140
HDTV Switch Failure Page 140
Other Functions Failure Page 141
Intermittent Failures Page 142
Undermined Failures Page 142
Chapter 4 
						

							126Chapter 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 computer and the electrical outlet. Plug the computer directly 
into a known good electrical outlet. 
4.Disconnect the power and open the casing to check the Thermal Unit (see “Thermal Unit Failure” on page 
140) and fan airways are free of obstructions.
5.Disable the power management settings in the BIOS to ensure they are not the cause of the problem (see 
“Power” on page 31).
6.Remove all external and non-essential hardware connected to the computer that are not necessary to 
boot the computer to the failure point.
7.Remove any recently installed software.
8.If the Issue is still not resolved, see “Online Support Information” on page 235. 
						

							Chapter 4127
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 
procedures.
2.Make sure the computer has power by checking at least one of the following occurs:
•Fans start up 
•Status LEDs light up
If there is no power, see “Power On Issue” on page 126.
3.Drain any stored power by removing the power cable and battery and holding down the power button for 
10 seconds. Reconnect the power and reboot the computer.
4.Connect an external monitor to the computer and switch between the internal display and the external 
display is by pressing Fn+F5 (on this model). 
If the POST or video appears on the external display, see “LCD Failure” on page 129.
5.Disconnect power and all external devices including port replicators or docking stations. Remove any 
memory cards and CD/DVD discs. Restart the computer.
If the computer boots correctly, add the devices one by one until the failure point is discovered.
6.Reseat the memory modules.
7.Remove the drives (see “Disassembly Process” on page 42).
8.If the Issue is still not resolved, see “Online Support Information” on page 235. 
						

							128Chapter 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 42.
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 42.
4.Adjust the brightness to its highest level. See the User Manual for instructions on adjusting settings. 
NOTE: Ensure that the computer is not running on battery alone as this may reduce display brightness.
If the display is too dim at the highest brightness setting, the LCD is faulty and should be replaced. See 
“Disassembly Process” on page 42.
5.Check the display resolution is correctly configured:
a.Minimize or close all Windows. 
b.If display size is only abnormal in an application, check the view settings and control/mouse wheel 
zoom feature in the application. 
c.If desktop display resolution is not normal, right-click on the desktop and select 
Personalize´ Display Settings. 
d.Click and drag the Resolution slider to the desired resolution. 
e.Click Apply and check the display. Readjust if necessary.
6.Roll back the video driver to the previous version if updated.
7.Remove and reinstall the video driver.
8.Check the Device Manager to determine that:
•The device is properly installed. There are no red Xs or yellow exclamation marks. 
•There are no device conflicts. 
•No hardware is listed under Other Devices.
9.If the Issue is still not resolved, see “Online Support Information” on page 235.
10.Run the Windows Memory Diagnostic from the operating system DVD and follow the onscreen prompts.
11 .If the Issue is still not resolved, see “Online Support Information” on page 235.
Random Loss of BIOS Settings
If the computer is experiencing intermittent loss of BIOS information, perform the following actions one at a 
time to correct the problem.
1.If the computer is more than one year old, replace the CMOS battery.
2.Run a complete virus scan using up-to-date software to ensure the computer is virus free.
3.If the computer is experiencing HDD or ODD BIOS information loss, disconnect and reconnect the power 
and data cables between devices.
If the BIOS settings are still lost, replace the cables.
4.If HDD information is missing from the BIOS, the drive may be defective and should be replaced. 
5.Replace the Motherboard.
6.If the Issue is still not resolved, see “Online Support Information” on page 235. 
						

							Chapter 4129
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: 
						

							130Chapter 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: