Acer Travelmate 240 Service Guide

Chapter 4102
Error Message List
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” on page 96. 
Ensure every connector is connected tightly and correctly. 
Reconnect the DIMM.
LED board.
System board.
No beep, power-on indicator turns on and LCD is 
blank.Power source (battery pack and power adapter). See “Power 
System Check” on page 96. 
Reconnect the LCD connector
Hard disk drive...

103TravelMate 240/ 250
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...

Chapter 4104
PCMCIA-Related Symptoms
Symptom / ErrorAction in Sequence
System cannot detect the PC Card (PCMCIA)  PCMCIA slot assembly
System board
PCMCIA slot pin is damaged. PCMCIA slot assembly
Memory-Related Symptoms
Symptom / ErrorAction in Sequence
Memory count (size) appears different from 
actual size.Enter BIOS Setup Utility to execute “Load Default Settings, then 
reboot system.
DIMM
System board
Speaker-Related Symptoms
Symptom / ErrorAction in Sequence
In Windows, multimedia programs, no...

105TravelMate 240/ 250
NOTE: If you cannot find a symptom or an error in this list and the problem remains, see “Undetermined 
Problems” on page 107.
System hangs intermittently. Reconnect hard disk/CD-ROM drives. 
Hard disk connection board
System board
Peripheral-Related Symptoms
Symptom / ErrorAction in Sequence
System configuration does not match the 
installed devices. Enter BIOS Setup Utility to execute “Load Default Settings”, then 
reboot system.
Reconnect hard disk/CD-ROM/diskette drives....

Chapter 4106
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 advanced diagnostic test for the system board in loop mode at least 10 times.
2.If no error is detected, do not replace any FRU.
3.If any...

107TravelMate 240/ 250
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...

Chapter 5108
Top View
123
45
67 8 9
10
11
12
13
14
15 16
17 18 19
20 21 22 23
24
25
Jumper and Connector Locations
Chapter  5 

109TravelMate 240/ 250
1 U12 CPU Socket 14 LIN1 Line-in Port
2 FAN1 Fan Connector 15 LOUT1 Line-out Port
3 SW1 SW1 16 RJ1 RJ45+RJ11
4 TPAD1 Touchpad Cable Connector 17 USB1-4 Four USB Ports
5 HDD1 HDD Connector 18 CRT1 VGA Port
6 KB1 Keyboard Connector 19 LCD1 LCD Coaxial Cable Connector
7 SPK1 Speaker Cable Connector  20 MINI1 Mini PCI Connector
8 IDE1 Optical Drive Connector 21 RTC1 RTC Battery Connector
9 U23 South Bridge 22 U15 North Bridge
10 FDD1 FDD Connector 23 PRT1 Parallel Port
11 CN1 Launch...

Chapter 511 0
Bottom View
1 U7 FIR Port
2 RING1 Modem Cable Connector
3 MDC1 Modem Card Connector
4 DM1 DIMM Socket 1
5 DM2 DIMM Socket 2
SW1 Settings
1234
Password 
EnableON X X X
Password 
DisableOFF X X X
Bootblock 
EnableXONXX
Bootblock 
DisableXOFFXX
Adapter 90W X X ON X
Adapter 120W X X OFF X 

111TravelMate 240/ 250