Home > Acer > Notebook > Acer Aspire 6935g Service Guide

Acer Aspire 6935g Service Guide

Here you can view all the pages of manual Acer Aspire 6935g Service Guide. The Acer manuals for Notebook are available online for free. You can easily download all the documents as PDF.

Page 81

Chapter 473
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 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 computer.
If the...

Page 82

74Chapter 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...

Page 83

Chapter 475
Error Message List
Real time clock error RTC battery
Run BIOS Setup Utility to reconfigure system time, 
then reboot system.
System board
Previous boot incomplete - Default configuration 
used.Run “Load Default Settings” in BIOS Setup Utility.
RTC battery
System board
Memory size found by POST differed from CMOS. Run “Load Default Settings” in BIOS Setup Utility.
DIMM
System board
Diskette drive A error Check the drive is defined with the proper diskette 
type in BIOS Setup Utility.
See...

Page 84

76Chapter 4
No beep, power-on indicator turns on and LCD is 
blank.Power source (battery pack and power adapter). 
See “Power System Check” on page 71. 
Reconnect the LCD connector
Hard disk drive
LCD inverter ID
LCD cable
LCD Inverter
LCD
System board
No beep, power-on indicator turns on and LCD is 
blank. But you can see POST on an external CRT. Reconnect the LCD connectors
LCD inverter ID
LCD cable 
LCD inverter
LCD
System board
No beep, power-on indicator turns on and a blinking 
cursor shown on LCD...

Page 85

Chapter 477
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...

Page 86

78Chapter 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 to...

Page 87

Chapter 479
8Fh Determine number of ATA drives (optional)
90h Initialize hard-disk controllers
91h Initialize local-bus hard-disk controllers
92h Jump to UserPatch2
93h Build MPTABLE for multi-processor boards
95h Install CD ROM for boot
96h Clear huge ES segment register
97h Fixup Multi Processor table
98h 1-2 Search for option ROMs. One long, two short beeps on 
checksum failure.
99h Check for SMART drive (optional)
9Ah Shadow option ROMs
9Ch Set up Power Management
9Dh Initialize security engine...

Page 88

80Chapter 4
E1h Initialize the bridge
E2h Initialize the CPU
E3h Initialize the system timer
E4h Initialize system I/O
E5h Check force recovery boot
E6h Checksum BIOS ROM
E7h Go to BIOS
E8h Set Huge Segment
E9h Initialize Multi Processor
EAh Initialize OEM special code
EBh Initialize PIC and DMA
ECh Initialize Memory type
EDh Initialize Memory size
EEh Shadow Boot Block
EFh System memory test
F0h Initialize interrupt vectors
F1h Initialize Run Time Clock
F2h Initialize video
F3h Initialize System...

Page 89

Chapter 481
Index of Symptom-to-FRU Error Message
LCD-Related Symptoms
Indicator-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 Default 
Settings”, then reboot system.
Reconnect the LCD connectors
Keyboard (if contrast and brightness function key 
doesnt work)
LCD inverter ID
LCD cable
LCD inverter
LCD
System board
Unreadable LCD screen 
Missing pels in...

Page 90

82Chapter 4
Power-Related Symptoms
PCMCIA-Related Symptoms
Memory-Related Symptoms
Speaker-Related Symptoms
Symptom / ErrorAction in Sequence
Power shuts down during operation. Power source (battery pack and power adapter). 
See “Power System Check” on page 71. 
Battery pack
Power adapter
Hard drive & battery connection board
System board
The system doesn’t power-on. Power source (battery pack and power adapter). 
See “Power System Check” on page 71. 
Battery pack
Power adapter
Hard drive & battery...
Start reading Acer Aspire 6935g Service Guide

Related Manuals for Acer Aspire 6935g Service Guide

All Acer manuals