Table
9.
FRU
tests
(continued)
FRU
Applicable
test
DVD
drive
or
DVD/CD-RW
combo
drive
1.
Diagnostics
-->
Other
Devices
-->
Optical
Drive
2.
Interactive
Tests
-->
Optical
Drive
Test
Memory
1.
If
two
DIMMs
are
installed,
remove
one
of
them
and
run
Diagnostics
-->
Memory
Test—Quick
.
2.
If
the
problem
does
not
recur,
return
the
DIMM
to
its
place,
remove
the
other
one,
and
run
the
test
again.
3.
If
the
test
does
not
detect
the
error,
run
Diagnostics
-->
Memory
Test—Full
.
Fan
1.
Turn
on
the
computer
and
check
the
air
turbulence
at
the
louver
near
the
PC
Card
slot.
2.
Run
Diagnostics
-->
ThinkPad
Devices
-->
Fan
.
TrackPoint
or
pointing
device
If
the
TrackPoint
does
not
work,
check
the
configuration
as
specified
in
the
BIOS
Setup
Utility.
If
the
TrackPoint
is
disabled,
select
Automatic
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
Touch
Pad
If
the
Touch
Pad
does
not
work,
check
the
configuration
as
specified
in
the
BIOS
Setup
Utility.
If
the
Touch
Pad
is
disabled,
select
Automatic
to
enable
it.
If
enabling
the
Touch
Pad
does
not
correct
the
problem,
continue
with
the
following:
v
Interactive
Tests
-->
Mouse
54
ThinkPad
T400
and
R400
(14.1-inch
widescreen)
Hardware
Maintenance
Manual
Summary of Contents for XT904UT
Page 1: ...ThinkPad T400 and R400 14 1 inch widescreen Hardware Maintenance Manual ...
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