Acer Travelmate 6460 Service Guide

Chapter 475
Please use the following procedures 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 may occur errors or invalid responses.
1. Obtain the detailed fail symptoms as many as possible.
2. Verify the symptoms by attempting to recreate, running the diagnostic tests or repeating the same operation.
Troubleshooting
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System Check Procedures
External Diskette Drive Check
Do the following procedures to isolate the possible effects from a controller, driver, or diskette. A writable, 
diagnostic diskette is required.
Note: Make sure that the diskette does not have more than one label attached. Multiple labels may cause 
damage to the drive or make the drive fail.
1. Boot from the diagnostic diskette and start the diagnostic programs.
2. See if FDD test is passed as the programs run the FDD test.
3. Follow the...

Chapter 477
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 correctly inserted into the connector. A wrong connection will cause errors.
Power System Check
To verify the symptoms, power on the computer by using the following power sources separately.
1. Remove the battery pack.
2. Connect the power adaptor and check the power supply.
3. Disconnect the power adaptor and install the battery...

78Chapter 4
If the charge indicator does not light up, replace the battery pack. If the charge indicator still does not light up, 
replace the AC / DC charger board.
Touchpad Check
If the touchpad does not work, follow the procedures one at a time to correct the problem. Do not replace a non-
defective FRU.
1. Reconnect the touchpad cables.
2. Replace the touchpad.
3. Replace the system board.
After you use the touchpad, the pointer drifts on the screen for a short time. This self-acting pointer movement...

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Power-On Self-Test (POST) Error Message
The POST error message index lists the error message and their possible causes.
Note: Perform the FRU replacement or actions in the sequence shown in Error Message List, if the FRU 
replacement does not solve the problem, put the original part back in the computer. Do not replace a non-
defective FRU.
The error messages are listed in the coming pages to indicate the BIOS signals on the screen and the error 
symptoms classified by functions. If the...

80Chapter 4
Shadow RAM Failed at offset: 
nnnnBIOS ROM
System board
System RAM Failed at offset: 
nnnnDIMM
System board
Extended RAM Failed at offset: 
nnnnDIMM
System board
System battery is dead - 
Replace and run SetupReplace RTC battery and Run BIOS Setup Utility to 
reconfigure system time, then reboot system.
System CMOS checksum bad - 
Default configuration usedRTC battery
Run BIOS Setup Utility to reconfigure system time, then 
reboot system.
System timer error RTC battery
Run BIOS Setup Utility...

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Invalid System Configuration 
DataBIOS ROM
System board
I/O device IRQ conflict Run Load Default Settings in BIOS Setup Utility.
RTC battery
System board
Operating system not found Enter Setup and see if fixed disk and drive A: are properly 
identified.
Diskette drive
Hard disk drive
System board
No beep, power-on indicator 
turns off and LCD is blank.Power source (battery pack and power adapter). See 
Power System Check. 
Ensure every connector is connected correctly. 
Reconnect the DIMM....

82Chapter 4
Phoenix BIOS Beep Codes
Beep CodePost CodeDescriptionWhat to Check (Recommended)
1-1-1-3 02h Verify Real Mode. •  Check the processor.
•  Check the main board.
1-1-2-1 04h Get CPU type. •  Check the processor.
•  Check the main board.
1-1-2-3 06h Initialize system hardware. •  Check the main board.
1-1-3-1 08h Initialize cache to initial 
POST values.•  Check the main board.
1-1-3-2 09h Set in POST flag. •  Check the main board.
1-1-3-3 0Ah Initialize CPU registers. •  Check the processor.
•...

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1-3-1-3 22h Test 8742 keyboard 
controller.•  Check the keyboard.
•  Check the keyboard controller.
•  Check the main board.
1-3-2-1 24h Set ES segment register to 
4GB.•  Check the main board.
1-3-3-1 28h Autosize DRAM. •  Check the system memory.
•  Check the main board.
1-3-3-3 2Ah Clear 512K base RAM. •  Check the system memory.
•  Check the main board.
1-3-4-1 2Ch RAM failure on address 
line xxxx.•  Check the system memory.
•  Check the main board.
1-3-4-3 2Eh RAM failure on data bits...

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2-1-3-2 49h Initialize PCI bus and 
devices.•  Treat as an expansion card problem.
•  Check the serial port(s).
•  Check the parallel port(s).
•  Check the main board.
2-1-3-3 4Ah Initialize all video adapters 
in system.•  Check the video card.
•  Make sure the system memory is 
working properly.
2-1-4-1 4Ch Shadow video BIOS ROM. •  Check the expansion cards.
•  Check the system memory.
•  Check the main board.
2-1-4-3 4Eh Display copyright notice. •  Check the video card.
•  Check the main...