Acer Aspire 2010 Service Guide

Chapter 474
Check the Battery Pack
To check the battery pack, do the following:
From Software:
1.Check out the Power Options in control Panel
2.In Power Meter, confirm that if the parameters shown in the screen for Current Power Source and Total 
Battery Power Remaining are correct.
3.Repeat the steps 1 and 2, for both battery and adapter.
4.This helps you identify first the problem is on recharging or discharging.
From Hardware:
1.Power off the computer. 
2.Remove the battery pack and measure the...

75Chapter 4
still occurs, continue next step.
Replace the CPU with another of the same specifications. If the problems still occurs, go to next 
step.
The main board may be damaged. Replace main board.
3.If the external monitor has the same problem as the internal monitor,  the main board may be damaged. 
Please insert the diagnostic disk and run the display test program and go through the sub-steps under 
step 2.
Sound Check
To determine if the computer’s built-in speakers are functioning properly,...

Chapter 476
Insyde MobilePro BIOS POST Beep Code and POST Messages
The POST error message index lists the error message and their possible causes. The most likely cause is 
listed first.
NOTE: Perform the FRU replacement or actions in the sequence shown in FRU/Action column, if the FRU 
replacement does not solve the problem, put the original part back in the computer. Do not replace a 
non-defective FRU.
This index can also help you determine the next possible FRU to be replaced when servicing a...

77Chapter 4
N/A
“PARITY ERROR AT UNKNOWN
LOCATION”Parity error during memory test at unknown 
location.
N/A “PARITY ERROR AT LOCATION 
XXXXXX”Parity error during memory test at the 
indicated location.
N/A “NO INTERRUPTS FROM TIMER 
0”Timer 0 of the clock timer controller does 
not generate system interrupts correctly.
N/A “UNEXPECTED AMOUNT OF 
MEMORY - RUN SCU”The system memory size does not match 
with the CMOS record.
N/A “CLOCK NOT TICKING 
CORRECTLY”The system clock does not working 
correctly.
N/A...

Chapter 478
Index of Symptom-to-FRU Error Message
LCD-Related Symptoms
Symptom / ErrorAction in Sequence
LCD backlight doesnt work
LCD is too dark
LCD brightness cannot be adjusted
LCD contrast cannot be adjustedEnter BIOS Utility to execute “Load Setup Defaults” on Exit 
screen, then reboot system.
Reconnect the LCD connectors.
Keyboard (if contrast and brightness function key doesnt 
work).
LCD cable
LCD inverter
LCD
Main board
Unreadable LCD screen 
Missing pels in characters
Abnormal screen 
Wrong...

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PCMCIA-Related Symptoms
Symptom / ErrorAction in Sequence
System cannot detect the PC Card 
(PCMCIA) PCMCIA slot assembly
Main board
PCMCIA slot pin is damaged. PCMCIA slot assembly
Memory-Related Symptoms
Symptom / ErrorAction in Sequence
Memory count (size) appears different from 
actual size.DIMM
Main board
Speaker-Related Symptoms
Symptom / ErrorAction in Sequence
In Windows, multimedia programs, no 
sound comes from the computer. See “Sound Check” on page 66
Audio driver
Speaker
Main...

Chapter 480
System hangs intermittently. Reconnect hard disk drives. 
Hard disk drive connector
Main board
Peripheral-Related Symptoms
Symptom / ErrorAction in Sequence
System configuration does not match the 
installed devices. Enter BIOS Setup Utility to execute “Load Setup defaults”, 
then reboot system.
Reconnect hard disk/CD-ROM/diskette drives.
External display does not work correctly. See if there is an error beep. If there is an erro beep, then 
change main board.
Power off. Then check if RAM CPU...

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Modem-Related Symptoms
Symptom / ErrorAction in Sequence
Internal modem does not work correctly. Ensure the telephone cable is firmly plugged into the 
telephone wall socket and the modem port of the computer.
Modem phone port is secured to the main board.
modem combo board
Main board 

Chapter 482
Intermittent Problems
Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a 
hardware defect, such as: cosmic radiation, electrostatic discharge, or software errors. FRU replacement 
should be considered only when a recurring problem exists.
When analyzing an intermittent problem, do the following:
1.Run the diagnostic test for several times to isolate the problem.
2.If no error is detected, do not replace any FRU.
3.If any error is detected,...

83Chapter 4
Undetermined Problems
The diagnostic problems does not identify which adapter or device failed, which installed devices are incorrect, 
whether a short circuit is suspected, or whether the system is inoperative.  
Follow these procedures to isolate the failing FRU (do not isolate non-defective FRU).
NOTE: Verify that all attached devices are supported by the computer.
1.Power-off the computer.
2.Visually check them for damage. If any problems are found, replace the FRU.
3.Remove or disconnect...