IBM Thinkpad X20 X21 X22 X23 X24 Manual

Laser compliance statement
Some IBM Personal Computer models are equipped from
the factory with a CD-ROM drive. CD-ROM drives are also
sold separately as options. The CD-ROM drive is a laser
product. The CD-ROM drive is certified in the U.S. to
conform to the requirements of the Department of Health
and Human Services 21 Code of Federal Regulations
(DHHS 21 CFR) Subchapter J for Class 1 laser products.
Elsewhere, the drive is certified to conform to the
requirements of the International Electrotechnical...

CAUTION:
Use of controls or adjustments or performance of
procedures other than those specified herein might
result in hazardous radiation exposure.
O uso de controles, ajustes ou desempenho de
procedimentos diferentes daqueles aqui especificados
pode resultar em perigosa exposição à radiação.
Pour éviter tout risque d’exposition au rayon laser,
respectez les consignes de réglage et d’utilisation des
commandes, ainsi que les procédures décrites.
Werden Steuer- und Einstellelemente anders als hier...

Some CD-ROM drives contain an embedded Class 3A or
Class 3B laser diode. Note the following.
Chapter 1. Introduction
19 

DANGER
Laser radiation when open. Do not stare into the
beam, do not view directly with optical instruments,
and avoid direct exposure to the beam.
Radiação por raio laser ao abrir. Não olhe fixo no
feixe de luz, não olhe diretamente por meio de
instrumentosóticos e evite exposição direta com o
feixe de luz.
Rayonnement laser si carter ouvert.Évitez de fixer
le faisceau, de le regarder directement avec des
instruments optiques, ou de vous exposer au
rayon.
Laserstrahlung bei geöffnetem Gerät. Nicht...

Chapter 2. General descriptions
This chapter includes descriptions for any ThinkPad model
that has the PC-Doctor DOS diagnostics program. Some
descriptions might not apply to your particular computer.
Read this first
Before you go to the checkout guide, be sure to read this
section.
Important notes:
vOnly certified trained personnel should service the
computer.
vRead the entire FRU removal and replacement page
before replacing any FRU.
vUse new nylon-coated screws when you replace
FRUs.
vBe extremely...

5. Failure symptoms, error codes appearing on the
display, and beep symptoms
6. Procedure index and page number in which the failing
FRU was detected
7. Failing FRU name and part number
8. Machine type, model number, and serial number
9. Customer’s name and address
Note for warranty:During the warranty period, the
customer may be responsible for repair costs if the
computer damage was caused by misuse, accident,
modification, unsuitable physical or operating environment,
or improper maintenance by the...

vI9990303 errors can be caused by exposure to strong
magnetic fields.
Chapter 2. General descriptions
23 

Related service information
This section provides information about the following:
vService Website
vPasswords
vPower management
Service Web site
The latest maintenance diskette is available at
http://www.pc.ibm.com/partner/infotips/
The latest system program service diskette is available at
http://www.pc.ibm.com/us/support/thinkpad/tpopsys.html
or athttp://www.pc.ibm.com/partner/infotips/
Product recovery program
Restoring the Pre-installed Software
To restore the pre-installed software, you can use...

Using Recovery CD
To create Service Partition and install the preloaded
system from Recovery CD, do the following;
To create Service Partition [SP]:
1. Erase all partitions on the hard-disk drive using FDISK
or similar application.
2. Boot with Recovery CD (and boot diskette if required).
3. A menu will appear stating“Your computer originally
included a Product Recovery program ... Reinstall
the Product Recovery Program? (Y/N) [ ]”.
Note:If the hard-disk drive contains any partitions, you
will not...

Creating a Recovery Repair diskette
The Recovery Repair diskette is used to recover the
prompt that is needed to access the Product Recovery
program, if the prompt does not appear. Make a Recovery
Repair diskette and save it for future use.
To make a Recovery Repair diskette:
1. Shut down and turn off the computer.
2. Attach the external diskette drive to the computer.
3. At the prompt, pressF11. (The option to pressF11
appears for only a few seconds. You must pressF11
quickly.) The Product Recovery...