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Contents
Important
safety
information
.
.
.
.
.
. v
Conditions
that
require
immediate
action
.
. v
General
safety
guidelines
.
.
.
.
.
.
.
. vi
Service
.
.
.
.
.
.
.
.
.
.
.
.
. vi
Power
cords
and
power
adapters
.
.
.
. vii
Extension
cords
and
related
devices
.
.
. vii
Plugs
and
outlets
.
.
.
.
.
.
.
.
. vii
Batteries
.
.
.
.
.
.
.
.
.
.
.
. viii
Heat
and
product
ventilation
.
.
.
.
. ix
CD
and
DVD
drive
safety
.
.
.
.
.
.
. x
Additional
safety
information
.
.
.
.
.
. x
Laser
compliance
statement
.
.
.
.
. xiv
Important
notice
for
users
.
.
.
.
.
. xix
Important
regulatory
notice
for
users
.
.
. xix
Information
about
hard
disk
capacity
.
.
. xix
Finding
information
with
Access
IBM
.
. xxi
Chapter
1.
Overview
of
your
new
ThinkPad
computer
.
.
.
.
.
.
.
.
.
.
.
.
. 1
Your
ThinkPad
at
a
glance
.
.
.
.
.
.
. 2
Features
.
.
.
.
.
.
.
.
.
.
.
.
.
. 4
Specifications
.
.
.
.
.
.
.
.
.
.
.
. 5
Caring
for
your
ThinkPad
computer
.
.
.
. 6
Chapter
2.
Solving
computer
problems
.
. 11
Diagnosing
problems
.
.
.
.
.
.
.
.
. 12
Troubleshooting
.
.
.
.
.
.
.
.
.
.
. 12
Error
messages
.
.
.
.
.
.
.
.
.
. 12
Errors
without
messages
.
.
.
.
.
.
. 17
A
password
problem
.
.
.
.
.
.
.
. 18
A
power
switch
problem
.
.
.
.
.
.
. 19
Keyboard
problems
.
.
.
.
.
.
.
. 19
TrackPoint
problems
.
.
.
.
.
.
.
. 20
Standby
and
hibernation
problems
.
.
. 21
Computer
screen
problems
.
.
.
.
.
. 24
Battery
problems
.
.
.
.
.
.
.
.
. 25
Hard
disk
drive
problems
.
.
.
.
.
. 26
A
startup
problem
.
.
.
.
.
.
.
.
. 26
Fingerprint
authentication
problems
.
.
. 28
Other
problems
.
.
.
.
.
.
.
.
.
. 28
Starting
IBM
BIOS
Setup
Utility
.
.
.
.
. 29
Recovering
pre-installed
software
.
.
.
.
. 30
Upgrading
the
hard
disk
drive
.
.
.
.
.
. 31
Replacing
the
battery
.
.
.
.
.
.
.
.
. 34
Using
the
Extended
Life
Battery
.
.
.
.
. 35
Chapter
3.
Getting
help
and
service
from
IBM
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 39
Getting
help
and
service
.
.
.
.
.
.
.
. 40
Getting
help
on
the
Web
.
.
.
.
.
.
.
. 40
Calling
IBM
.
.
.
.
.
.
.
.
.
.
.
. 40
Getting
help
around
the
world
.
.
.
.
.
. 41
Appendix
A.
Wireless
related
information
43
Wireless
Interoperability
.
.
.
.
.
.
.
. 43
Usage
environment
and
your
Health
.
.
.
. 44
Authorized
Operation
Within
the
United
States
and
Canada
.
.
.
.
.
.
.
.
.
. 44
Enabling
Extended
Channel
Mode
.
.
.
. 45
Appendix
B.
Warranty
information
.
.
.
. 47
IBM
Statement
of
Limited
Warranty
Z125-4753-08
04/2004
.
.
.
.
.
.
.
.
. 47
Part
1
-
General
Terms
.
.
.
.
.
.
. 47
Part
2
-
Country-unique
Terms
.
.
.
.
. 51
Part
3
-
Warranty
Information
.
.
.
.
. 64
Guarantee
supplement
for
Mexico
.
.
. 70
Appendix
C.
Customer
replacement
units
(CRUs)
.
.
.
.
.
.
.
.
.
.
.
.
. 71
Customer
replaceable
units
(CRUs)
.
.
.
. 71
Appendix
D.
Notices
.
.
.
.
.
.
.
.
. 73
Processing
date
data
.
.
.
.
.
.
.
.
. 73
References
to
the
Web
site
addresses
.
.
.
. 74
Electronic
emission
notices
.
.
.
.
.
.
. 74
Product
notice
requirements
.
.
.
.
.
. 75
Environmental
notices
for
Japan
.
.
.
.
. 75
IBM
Lotus
Software
Offer
.
.
.
.
.
.
. 76
Trademarks
.
.
.
.
.
.
.
.
.
.
.
. 78
Index
.
.
.
.
.
.
.
.
.
.
.
.
.
. 81
©
Copyright
IBM
Corp.
2005
iii
Summary of Contents for THINKPAD X41
Page 1: ...ThinkPad X41 Tablet Series Service and Troubleshooting Guide ...
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Page 3: ...ThinkPad X41 Tablet Series Service and Troubleshooting Guide ...
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Page 20: ...xviii ThinkPad X41 Tablet Series Service and Troubleshooting Guide ...
Page 22: ...xx ThinkPad X41 Tablet Series Service and Troubleshooting Guide ...
Page 70: ...46 ThinkPad X41 Tablet Series Service and Troubleshooting Guide ...
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Page 108: ... Part Number 39T2256 Printed in China 1P P N 39T2256 ...