IBM 4840 Service Guide - Page 56

recovery, Running, Diagnostics, Using, Service, Diskette, models - service manual

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Troubleshooting August 3, 2006 Table 7. Symptoms and actions (continued) Diskette drive does not work. 1. Check the diskette drive cable connections. 2. Run the Setup Utility to make sure the diskette drive controller is enabled. 3. Ensure that the correct boot device is selected in Setup: USB-FDD or -FDD 4. Verify the hardware by attempting to load a bootable diskette. 5. If the drive will not book with a bootable diskette, replace the drive and cable. 6. Replace the system board. Audio is not working. 1. Check the volume control. 2. Check the speaker cable connections. See "Speaker - removing and replacing" on page 55. 3. Run Setup Utility to make sure the audio is enabled. 4. Replace the speaker. 5. Replace the system board. Fan continues running after This is normal operation with new model power supplies. system has been powered Off. Notes: 1. Some devices that attach to the system have test instructions. Refer to those instructions when testing those devices. 2. Record any error messages or symptoms for future reference. 3. When using application programs, you may receive error messages that pertain to the application software. See the application program manual for a description of those messages. CMOS recovery If the CMOS memory becomes corrupted and the system does not boot, restore the factory default values by following the procedure described in "Clearing the CMOS settings" on page 23. | Running Diagnostics | This section includes information about diagnostic programs available for the 5x3 | and 5x4 models. | Using the Service Diskette (for the 5x3 models) | The Service Diskette is a DOS-bootable diskette. It provides menu-driven tests and | utilities that enable trained service technicians to configure and test the system and | I/O devices. The diskette is not shipped with the system. However, you can create | one by downloading the Service Diskette code from the IBM Retail Store Solutions | Web site using the following steps: | 1. Go to www.ibm.com/solutions/retail/store/ and select Support. | 2. Under SurePOS 500/600 Series select SurePOS 500-xx3 Downloads. | 3. Select SurePOS 500-xx3 Diagnostic/Service Diskette. | To build diskettes from image files, download the EXE file, insert a diskette in drive | A: and run the EXE file. 30

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Table
7.
Symptoms
and
actions
(continued)
Diskette
drive
does
not
work.
1.
Check
the
diskette
drive
cable
connections.
2.
Run
the
Setup
Utility
to
make
sure
the
diskette
drive
controller
is
enabled.
3.
Ensure
that
the
correct
boot
device
is
selected
in
Setup:
USB–FDD
or
–FDD
4.
Verify
the
hardware
by
attempting
to
load
a
bootable
diskette.
5.
If
the
drive
will
not
book
with
a
bootable
diskette,
replace
the
drive
and
cable.
6.
Replace
the
system
board.
Audio
is
not
working.
1.
Check
the
volume
control.
2.
Check
the
speaker
cable
connections.
See
“Speaker
removing
and
replacing”
on
page
55.
3.
Run
Setup
Utility
to
make
sure
the
audio
is
enabled.
4.
Replace
the
speaker.
5.
Replace
the
system
board.
Fan
continues
running
after
system
has
been
powered
Off.
This
is
normal
operation
with
new
model
power
supplies.
Notes:
1.
Some
devices
that
attach
to
the
system
have
test
instructions.
Refer
to
those
instructions
when
testing
those
devices.
2.
Record
any
error
messages
or
symptoms
for
future
reference.
3.
When
using
application
programs,
you
may
receive
error
messages
that
pertain
to
the
application
software.
See
the
application
program
manual
for
a
description
of
those
messages.
CMOS
recovery
If
the
CMOS
memory
becomes
corrupted
and
the
system
does
not
boot,
restore
the
factory
default
values
by
following
the
procedure
described
in
“Clearing
the
CMOS
settings”
on
page
23.
Running
Diagnostics
This
section
includes
information
about
diagnostic
programs
available
for
the
5x3
and
5x4
models.
Using
the
Service
Diskette
(for
the
5x3
models)
The
Service
Diskette
is
a
DOS-bootable
diskette.
It
provides
menu-driven
tests
and
utilities
that
enable
trained
service
technicians
to
configure
and
test
the
system
and
I/O
devices.
The
diskette
is
not
shipped
with
the
system.
However,
you
can
create
one
by
downloading
the
Service
Diskette
code
from
the
IBM
Retail
Store
Solutions
Web
site
using
the
following
steps:
1.
Go
to
www.ibm.com/solutions/retail/store/
and
select
Support
.
2.
Under
SurePOS
500/600
Series
select
SurePOS
500-xx3
Downloads
.
3.
Select
SurePOS
500-xx3
Diagnostic/Service
Diskette.
To
build
diskettes
from
image
files,
download
the
EXE
file,
insert
a
diskette
in
drive
A:
and
run
the
EXE
file.
Troubleshooting
August
3,
2006
30
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