IBM 4840-544 Service Guide - Page 162

Keyboard

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Keyboard August 3, 2006 Table 11. Repair actions for CANPOS keyboard problems (continued) Symptom Repair actions The cursor responds sluggishly or does not move when using the CANPOS keyboard with integrated pointing device. When the computer initially boots up, the cursor may respond sluggishly. The cursor calibrates itself as it is being used. If the problem persists, follow these steps: 1. Push the joystick to its maximum deflection in each direction - up, down, left, and right - for 2-3 seconds in each direction. 2. If the problem is not resolved, then replace the keypad assembly. MSR not reading. 1. Run the Setup Utility and check the setting in the MSR serial port. 2. Ensure that the keyboard cable is attached securely at the keyboard and the system unit. 3. Go into Microsoft WordPad or another word processor and swipe the MSR test card. Make sure data appears. 4. Ensure that the MSR cable are securely connected inside the keyboard. 5. Replace the MSR. See "CANPOS keyboard with MSR" on page 142. 136

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Table
11.
Repair
actions
for
CANPOS
keyboard
problems
(continued)
Symptom
Repair
actions
The
cursor
responds
sluggishly
or
does
not
move
when
using
the
CANPOS
keyboard
with
integrated
pointing
device.
When
the
computer
initially
boots
up,
the
cursor
may
respond
sluggishly.
The
cursor
calibrates
itself
as
it
is
being
used.
If
the
problem
persists,
follow
these
steps:
1.
Push
the
joystick
to
its
maximum
deflection
in
each
direction
–
up,
down,
left,
and
right
–
for
2–3
seconds
in
each
direction.
2.
If
the
problem
is
not
resolved,
then
replace
the
keypad
assembly.
MSR
not
reading.
1.
Run
the
Setup
Utility
and
check
the
setting
in
the
MSR
serial
port.
2.
Ensure
that
the
keyboard
cable
is
attached
securely
at
the
keyboard
and
the
system
unit.
3.
Go
into
Microsoft
WordPad
or
another
word
processor
and
swipe
the
MSR
test
card.
Make
sure
data
appears.
4.
Ensure
that
the
MSR
cable
are
securely
connected
inside
the
keyboard.
5.
Replace
the
MSR.
See
“CANPOS
keyboard
with
MSR”
on
page
142.
Keyboard
August
3,
2006
136