Acer Travelmate 330 Service Guide

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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 to reconfigure system 
time, then reboot system.
System board
Real time clock error RTC battery
Run BIOS...

92 Troubleshooting 
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 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 Symptoms...

Chapter 4 93
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 during POST.Ensure every connector is connected tightly and 
correctly.
System board
No beep during POST but 
system runs correctly.Speaker
System board
LCD-Related Symptoms
Symptom / ErrorAction in Sequence
LCD backlight doesnt...

94 Troubleshooting 
Indicator-Related Symptoms
Symptom / ErrorAction in Sequence
Indicator incorrectly remains 
off or on, but system runs 
correctlyReconnect the inverter board
Inverter board
System board
Power-Related Symptoms
Symptom / ErrorAction in Sequence
Power shuts down during 
operationPower source (battery pack and power adapter). 
See “Power System Check” on page 88. 
Battery pack
Power adapter
Hard drive & battery connection board
System board
The system doesn’t power-
on.Power source...

Chapter 4 95
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 sound comes 
from the computer. Audio driver
Speaker
System board
Internal speakers make 
noise or emit no sound.Speaker
System board 

96 Troubleshooting 
Power Management-Related Symptoms
Symptom / ErrorAction in Sequence
The system will not enter 
hibernationKeyboard (if control is from the keyboard)
Hard disk drive
System board
The system doesnt enter 
hibernation mode and four 
short beeps every minute.See “Hibernation Mode” on page 39.
Press Fn+F4 and see if the computer enters 
hibernation mode.
Touchpad
Keyboard
Hard disk connection board
Hard disk drive
System board
The system doesn’t enter 
standby mode after closing 
the...

Chapter 4 97
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.
External display does not 
work correctly.Press Fn+F5, LCD/CRT/Both display switching
See “Running PQA Diagnostics Program.” on 
page 60. 
System board
USB does not work 
correctlySee “System Diagnostic Diskette” on page 59
System board
Print...

98 Troubleshooting 
Note: If you cannot find a symptom or an error in this list and the 
problem remains, see “Undetermined Problems” on page 56.
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...

Chapter 4 99
3.  Remove or disconnect all of the following devices:

Non-Acer devices

Printer, mouse, and other external devices

Battery pack

Hard disk drive

DIMM 

CD-ROM/Diskette drive Module

PC Cards
4.  Power-on the computer.
5.  Determine if the problem has changed.
6.  If the problem does not recur, reconnect the removed devices one at a 
time until you find the failing FRU.
7.  If the problem remains, replace the following FRU one at a time. Do not 
replace a non-defective FRU:

System board...

100 Troubleshooting