A SERVICE OF

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Diskette
drive
problems
Diskette
drive
symptom
Suggested
action
Diskette
drive
activity
LED
stays
on,
or
the
system
bypasses
the
diskette
drive.
1.
If
there
is
a
diskette
in
the
drive,
verify
that:
v
The
diskette
drive
is
enabled
in
the
Configuration/Setup
utility
program.
v
The
diskette
is
good
and
not
damaged.
(Try
another
diskette
if
you
have
one.)
v
The
diskette
is
inserted
correctly
in
the
drive.
v
The
diskette
contains
the
necessary
files
to
start
the
computer.
v
The
software
program
is
working
properly.
v
The
cable
is
installed
correctly
(in
the
proper
orientation).
2.
To
prevent
diskette
drive
read/write
errors,
be
sure
the
distance
between
monitors
and
diskette
drives
is
at
least
76
mm
(3
in.).
If
the
problem
remains,
call
for
service.
Hard
disk
drive
problems
Hard
disk
drive
symptom
Suggested
action
Not
all
drives
are
recognized
by
the
hard
disk
drive
diagnostic
test
(Fixed
Disk
test).
1.
Remove
the
first
drive
not
recognized
and
try
the
hard
disk
drive
diagnostic
test
again.
2.
If
the
remaining
drives
are
recognized,
replace
the
drive
you
removed
with
a
new
one.
If
the
problem
remains,
call
for
service.
Keyboard,
mouse,
or
pointing-device
problems
Keyboard,
mouse,
or
pointing-device
symptom
Suggested
action
All
or
some
keys
on
the
keyboard
do
not
work.
Verify
that:
v
The
keyboard
cable
is
securely
connected
to
the
system,
and
the
keyboard
and
mouse
cables
are
not
reversed.
v
Both
the
computer
and
the
monitor
are
turned
on.
v
Try
using
another
keyboard.
If
the
problem
remains,
call
for
service.
The
mouse
or
pointing
device
does
not
work.
Verify
that:
v
The
mouse
or
pointing-device
cable
is
securely
connected,
and
that
the
keyboard
and
mouse
cables
are
not
reversed.
v
The
mouse
device
drivers
are
installed
correctly.
v
Both
the
computer
and
the
monitor
are
turned
on.
v
Try
using
another
mouse
or
pointing
device.
If
the
problem
remains,
call
for
service.
54
IBM
IntelliStation
Z
Pro
Type
6221:
Installation
Guide