IBM 2681 Hardware Maintenance Manual - Page 54

following, table, shows, continued, ThinkPad

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Product overview FRU tests The following table shows the test for each FRU. FRU System board Power LCD unit Modem, Modem daughter card Audio Speaker PC Card slots Keyboard TrackPoint or pointing device Applicable test 1. Diagnostics --> CPU/Coprocessor 2. Diagnostics --> Systemboard Diagnostics --> Other Devices --> IBM AC Adapter, IBM Battery 1 (IBM Battery 2) 1. Diagnostics --> Video Adapter 2. Interactive Tests --> Video 1. Make sure the modem is set up correctly. 2. Replace the modem jack and the modem card in turn, and run the following tests in Diagnostics --> Other Devices: a. Modem Digital Loopback Test b. Modem Dialtone Test 1. Interactive Tests --> Internal Speaker 2. Diagnostics --> Other Devices --> Analog Devices AC97 CODEC Test Interactive Tests --> Internal Speaker Diagnostics --> Systemboard --> PCMCIA, PCMCIA External Loop 1. Diagnostics --> Systemboard --> Keyboard 2. Interactive Tests --> Keyboard If the TrackPoint does not work, check the configuration in the ThinkPad Configuration program. If the TrackPoint is disabled, select Automatic (or Enabled) to enable it. After you use the TrackPoint, the pointer may drift on the screen for a short time. This drift can occur when a slight, steady pressure is applied to the TrackPoint pointer. This symptom is not a hardware problem. If the pointer stops after a short time, no service action is necessary. Hard-disk drive Diskette drive If enabling the TrackPoint does not correct the problem, continue with the following: v Interactive Tests --> Mouse Diagnostics --> Fixed Disks 1. Diagnostics --> Diskette Drives 2. Interactive Tests --> Diskette (continued) 50 ThinkPad R40

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FRU
tests
The
following
table
shows
the
test
for
each
FRU.
FRU
Applicable
test
System
board
1.
Diagnostics
-->
CPU/Coprocessor
2.
Diagnostics
-->
Systemboard
Power
Diagnostics
-->
Other
Devices
-->
IBM
AC
Adapter
,
IBM
Battery
1
(IBM
Battery
2)
LCD
unit
1.
Diagnostics
-->
Video
Adapter
2.
Interactive
Tests
-->
Video
Modem,
Modem
daughter
card
1.
Make
sure
the
modem
is
set
up
correctly.
2.
Replace
the
modem
jack
and
the
modem
card
in
turn,
and
run
the
following
tests
in
Diagnostics
-->
Other
Devices
:
a.
Modem
Digital
Loopback
Test
b.
Modem
Dialtone
Test
Audio
1.
Interactive
Tests
-->
Internal
Speaker
2.
Diagnostics
-->
Other
Devices
-->
Analog
Devices
AC97
CODEC
Test
Speaker
Interactive
Tests
-->
Internal
Speaker
PC
Card
slots
Diagnostics
-->
Systemboard
-->
PCMCIA
,
PCMCIA
External
Loop
Keyboard
1.
Diagnostics
-->
Systemboard
-->
Keyboard
2.
Interactive
Tests
-->
Keyboard
TrackPoint
or
pointing
device
If
the
TrackPoint
does
not
work,
check
the
configuration
in
the
ThinkPad
Configuration
program.
If
the
TrackPoint
is
disabled,
select
Automatic
(or
Enabled
)
to
enable
it.
After
you
use
the
TrackPoint,
the
pointer
may
drift
on
the
screen
for
a
short
time.
This
drift
can
occur
when
a
slight,
steady
pressure
is
applied
to
the
TrackPoint
pointer.
This
symptom
is
not
a
hardware
problem.
If
the
pointer
stops
after
a
short
time,
no
service
action
is
necessary.
If
enabling
the
TrackPoint
does
not
correct
the
problem,
continue
with
the
following:
v
Interactive
Tests
-->
Mouse
Hard-disk
drive
Diagnostics
-->
Fixed
Disks
Diskette
drive
1.
Diagnostics
-->
Diskette
Drives
2.
Interactive
Tests
-->
Diskette
(continued)
Product
overview
50
ThinkPad
R40