Acer Travelmate 550 Service Guide

Chapter 243
Boot
The Boot screen allows you to set the order in which the system looks for bootable devices on startup.
The table below describes these devices.
NOTE:  A plus (+) sign may be shown in front of a device. You can press e to “expand” the device and see 
sub-items in this category.
ParameterDescription
Removable Devices The computer attempts to boot fro the removable device (e.g., floppy drive). If 
unsuccessful, the system goes to the next device in the list.
Hard Drive The computer attempts...

44Chapter 2
Exit
The Exit screen contains parameters that help safeguard and protect your computer from unauthorized use.
The table below describes the parameters in this screen.
ParameterDescription
Exit Saving Changes Saves changes made and exits the BIOS Setup Utility (same as 
u ).
Exit Discarding Changes Discards changes made and exits the BIOS Setup Utility.
Load Setup Defaults Loads default settings for all parameters (same as 
t ).
Discard Changes Discards changes made.
Save Changes Save changes...

Chapter 245
BIOS Flash Utility
The BIOS flash memory update is required for the following conditions:
❑New versions of system programs
❑New features or options
❑Restore a BIOS when it becomes corrupted. 
Use the Phlash utility to update the system BIOS flash ROM.
NOTE: If you do not have a crisis recovery diskette at hand, then you should create a Crisis Recovery 
Diskette before you use the Phlash utility.
NOTE: Do not install memory-related drivers (XMS, EMS, DPMI) when you use the Phlash.
NOTE: Please...

46Chapter 2
Running Diagnostics Program
1.BIOS Re-flash
Insert CD-Disk and floppy disk then boot from floppy disk drive to BIOS re-flash.
2.Parallel Port Test
Insert PIO loopback ot parallel port for test.
3.RTC, FDD Test
Insert diskette to floppy disk drive for test.
.
4.Thermal Test 

Chapter 247
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5.CD-ROM Test
First test left channel, if you hear sounds then press e key to test right channel.
.
If you hear sounds then press “P” key to pass this item.
6.Batter Charge Test
Plug the AC adapter to the system for test. 

48Chapter 2
7.Video mode Test
Check the RGB video mode display quality.
8.T/P Mouse Test
9.FA N  Te s t
Check if the fan has turned on with feathers.
10.LAN Test 

Chapter 249
11 .Keyboard Test
Press all keys according to this order--from left to right and from up to down to test each key’s function. If pass 
then press b + Break to continue the next test.
12.32bit Syscard Test
Insert two pieces of Syscard (Card bus) into PCMCIA slots for test. Check travel card if found error code on the 
card then record to SFIS and travel card else affix QC seal on the travel card. 

50Chapter 2 

Chapter 351
This chapter contains step-by-step procedures on how to disassemble the notebook computer for 
maintenance and troubleshooting.
To disassemble the computer, you need the following tools:
❑Wrist grounding strap and conductive mat for preventing electrostatic discharge
❑plastic screw driver
❑FPC fixture
❑Tw e e z e r s
❑Flat-bladed screw driver or plastic stick
❑hex screw driver
❑plastic tool that can prize stripe cover
NOTE: The screws for the different components vary in size.  During the...

52Chapter 3
General Information
Before You Begin
Before proceeding with the disassembly procedure, make sure that you do the following:
1.Turn off the power to the system and all peripherals.
2.Unplug the AC adapter and all power and signal cables from the system.
3.Remove the battery pack.
NOTE:  TravelMate
 α 550 uses mylar or tape to fasten the FFC/FPC/connectors, you may need to tear the 
tape or mylar before you disconnect different FFC/FPC/connectors.