Acer Aspire 8930 Service Guide

Chapter 465
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 fa ilure by running the diagnostic test or by repeating 
the same operation.
3. Use the following table with the verified symptom to...

66Chapter 4
System Check Procedures
External Diskette Drive Check
Do the following to isolate the problem to a controller, driver, or diskette. A write-enabled, diagnostic diskette is 
required.
NOTE:  Make sure that the diskette does not have more than on e label attached to it. Multiple labels can cause 
damage to the drive or cause the drive to fail. 
Do the following to select the test device. 1. Boot from the diagnostics diskette and start the diagnostics program.
2. See if FDD Test is passed as...

Chapter 467
Memory check
Memory errors might stop system operations, show error messages on the screen, or hang the system.
1. Boot from the diagnostics diskette and start the doa gmpstotics program (please refer to main board.
2. Go to the diagnostic memory in the test items.
3. Press F2 in the test items.
4. Follow the instructions in the message window.
NOTE:  Make sure that the DIMM is fully installed into  the connector. A loose connection can cause an error.
Power System Check
To verify the...

68Chapter 4
From Hardware:
1. Power off the computer. 
2. Remove the battery pack and measure  the voltage between battery terminals 1(+) and 6(ground). See the 
following figure
3. If the voltage is still less than 7.5 Vdc  after recharging, replace the battery. 
To check the battery charge operation, use a discharged battery pack or a battery pack that has less than 50% 
of the total power remaining when installed in the computer. 
If the battery status indicato r does not light up, remove the battery...

Chapter 469
Power-On Self-Test (POST) Error Message 
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 s equence shown in FRU/Action column, if the FRU 
replacement does not solve the problem, put the orig inal 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 computer.
If the...

70Chapter 4
Index of Error Messages
Error Code List
Error Message List 
Error CodesError Messages
006 Equipment Configuration Error
Causes:
1. CPU BIOS Update Code Mismatch
2. IDE Primary Channel Master Drive Error
(THe causes will be shown before “Equipment 
Configuration Error”)
010 Memory Error at xxxx:xxxx:xxxxh (R:xxxxh,  W:xxxxh) 
070 Real Time Clock Error
071 CMOS Battery Bad
072 CMOS Checksum Error
110 System disabled. Incorrect password is specified.
 Battery critical LOW In this situation BIOS...

Chapter 471
System battery is dead - Replace and run 
SetupReplace RTC battery and Run BIOS Setup 
Utility to reconfigure system time, then reboot 
system.
System CMOS checks um bad - Default 
configuration used RTC battery
Run BIOS Setup Utility 
to reconfigure system 
time, then reboot system.
System timer error RTC battery Run BIOS Setup Utility to reconfigure system 
time, then reboot system.
System board
Real time clock error RTC battery Run BIOS Setup Utility to reconfigure system 
time, then...

72Chapter 4
Error Message List
Invalid System Configuration Data BIOS ROM
System board
I/O device IRQ conflict Run “Load  Default Settings” in BIOS Setup 
Utility.
RTC battery
System board
Operating system not foun d Enter Setup and see if fixed disk and drive A: 
are properly identified.
Diskette drive
Hard disk drive
System board
No beep Error MessagesFRU/Action in Sequence
No beep, power-on indicator turns off and LCD 
is blank. Power source (battery pack and power 
adapter). See “Power System Check”...

Chapter 473
Phoenix BIOS Beep Codes
CodeBeepsPOST Routine Description
02h Verify Real Mode
03h Disable Non-Maskable Interrupt (NMI)
04h Get CPU type
06h Initialize system hardware
08h Initialize chipset with initial POST values
09h Set IN POST flag
0Ah Initialize CPU registers
0Bh Enable CPU cache
0Ch Initialize caches to initial POST values
0Eh Initialize I/O component
0Fh Initialize the local bus IDE
10h Initialize Power Management
11h Load alternate registers with initial POST values
12h Restore CPU...

74Chapter 4
45h POST device initialization
46h 2-1-2-3 Check ROM copyright notice
48h Check video configuration against CMOS
49h Initialize PCI bus and devices
4Ah Initialize all video adapters in system
4Bh QuietBoot start (optional)
4Ch Shadow video BIOS ROM
4Eh Display BIOS copyright notice
50h Display CPU type and speed
51h Initialize EISA board
52h Test keyboard
54h Set key click if enabled
58h 2-2-3-1 Test for unexpected interrupts
59h Initialize POST display service
5Ah Display prompt “Press F2...