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Contents
About
this
manual
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.1
Introduction
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.3
Important
service
information
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.3
Strategy
for
replacing
FRUs
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.3
How
to
use
error
messages
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.4
Diskette
compatibility
matrix
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.4
Safety
notices:
multilingual
translations
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.4
Safety
information
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.16
General
safety
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.16
Electrical
safety
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.17
Safety
inspection
guide
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.19
Handling
devices
that
are
sensitive
to
electrostatic
discharge
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.20
Grounding
requirements
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.21
Laser
compliance
statement
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.22
General
descriptions
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.25
Read
this
first
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.25
What
to
do
first
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.25
Related
service
information
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.27
Service
web
site
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.27
Restoring
the
pre-installed
system
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.27
Passwords
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.28
Power
management
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.32
Checkout
guide
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.35
Testing
the
computer
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.35
Detecting
system
information
with
PC-Doctor
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.38
Power
system
checkout
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.39
ThinkPad
T40/T40p,
T41/T41p,
T42/T42p
Series
43
Product
overview
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.45
Specifications
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.45
Status
indicators
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.50
FRU
tests
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.53
Fn
key
combinations
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.54
Symptom-to-FRU
index
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.58
Numeric
error
codes
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.58
Error
messages
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.63
Beep
symptoms
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.64
No-beep
symptoms
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.64
LCD-related
symptoms
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.65
Intermittent
problems
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.66
Undetermined
problems
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.66
FRU
replacement
notices
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.67
Screw
notices
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.67
Retaining
serial
numbers
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.68
Removing
and
replacing
a
FRU
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.71
1010
Battery
pack
for
14.1-in.
LCD
models
.
.
.72
1020
Battery
pack
for
15.0-in.
LCD
models
.
.
.74
©
Copyright
IBM
Corp.
2004
iii