Acer Travelmate 730 Service Guide

Chapter 355
3.Release the two screws on the left side of the LCD panel.
4.Do the same for removing the two screws on the right side of the LCD panel.
5.Remove the left and right LCD brackets.
Removing the LED Board
1.Remove the two screws as shown below.
2.Disconnect the microphone cable.
3.Disconnect the inverter to led cable, and speaker to led cable.
4.Remove the LED board.
Removing the Microphone
1.Remove the microphone from the LCD module.
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56Chapter 3
Removing the Left and Right Hinges
1.
Release the two screws as shown below.
2.
Remove the left and right hinges.
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Chapter 457
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...

58Chapter 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 one 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. See “Running PQA Diagnostics Program” on page 34 for details.
1.
Boot from the diagnostics diskette and start...

Chapter 459
The following auxiliary input devices are supported by this computer:
TNumeric keypad
TExternal keyboard
If any of these devices do not work, reconnect the cable connector and repeat the failing operation. 
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 PQA program (please refer to “Running PQA Diagnostics 
Program” on page 34.
2.
Go to the diagnostic memory in the test items....

60Chapter 4
Check the Battery Pack 
To check the battery pack, do the following:
From Software:
1.
Check out the Power Management 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...

Chapter 461
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...

62Chapter 4
Index of Error Messages
Error Message List
Error MessagesFRU/Action in Sequence
Failure Fixed Disk Reconnect hard disk drive connector.
“Load Default Settings” in BIOS Setup Utility.
Hard disk drive
System board
Stuck Key see “Keyboard or Auxiliary Input Device Check” on page 58 . 
Keyboard error see “Keyboard or Auxiliary Input Device Check” on page 58. 
Keyboard Controller Failed see “Keyboard or Auxiliary Input Device Check” on page 58. 
Keyboard locked - Unlock key switch Unlock external...

Chapter 463
Device Address Conflict Run “Load Default Settings” in BIOS Setup Utility.
RTC battery
System board
Allocation Error for device Run “Load Default Settings” in BIOS Setup Utility.
RTC battery
System board
Failing Bits: nnnn DIMM
BIOS ROM
System board
Fixed Disk n None
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 found Enter Setup and see if fixed disk and drive A:...

64Chapter 4
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 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 characters
Abnormal screen...