Acer Travelmate 270 Service Guide

76Chapter 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 477
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...

78Chapter 4
Index of Error Messages 
Error Message List
Error MessagesFRU/Action in Sequence
0200 Failure Fixed Disk Hard disk error detected.
Check to see if fixed disk is attached properly.
Enter the BIOS Setup Utility and verify the hard disk is detected.
0211 Keyboard error see “Keyboard or Auxiliary Input Device Check” on page 73. 
0212 Keyboard Controller Failed see “Keyboard or Auxiliary Input Device Check” on page 73. 
May require replacing the keyboard controller.
0213Keyboard locked - Unlock...

Chapter 479
02F0 CPU ID CPU socket number for Multi-Processor error.
Main board
02F4 EISA CMOS not writeable System unable to write to EISA CMOS.
Main board
02F5 DMA Test Failed System unable to write to DMA (Direct Memory Access) registers.
Main board
02F6 Software NMI Failed System unable to generate software NMI (Non-Maskable Interrupt).
Main board
02F7 Fail-Safe Timer NMI Failed Fail-Safe Timer takes too long.
Main board
Invalid System Configuration Data Error with NVRAM (CMOS) data.
Enter the BIOS...

80Chapter 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 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...

Chapter 481
PCMCIA-Related Symptoms
Symptom / ErrorAction in Sequence
System cannot detect the PC Card (PCMCIA)  See “System Diagnostic Diskette” on page 49. Please run Sycard 32 
Bit test.
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...

82Chapter 4
NOTE: If you cannot find a symptom or an error in this list and the problem remains, see “Undetermined 
Problems” on page 84. 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 “System Diagnostic Diskette” on page 49
See if there is an error beep. If there...

Chapter 483
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,...

84Chapter 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.
NOTE: Verify that the power supply being used at the time of the failure is operating correctly. (See “Power 
System Check” on...

Chapter 485
Index of AFlash BIOS Error Message
Error MessageAction in Sequence
Hardware Error  See “System Diagnostic Diskette” on page 49
VPD Checksum Error Reboot the system and then restest with this diskette.
BIOS Update Program Error Turn off the power and restart the system.
System Error Make sure this AFlash BIOS diskette for this model.
Without AC adapter make sure to connect AC adapter
Battery Low make sure to install a highly charged battery, and reboot 
system.