Lenovo J105 Hardware Maintenance Manual - Page 49

Diagnostics, using, PC-Doctor

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Chapter 5. Diagnostics using PC-Doctor for DOS Diagnostics are provided by the PC-Doctor program for DOS. These include a full range of diagnostic utilities to determine the operating condition of the computer's hardware components. You can run diagnostics using a bootable diagnostic diskette or CD-ROM. You can also run diagnostics and create diagnostic diskettes from the Rescue and Recovery program. Note: The diagnostics that can be run from the desktop are PC-Doctor for windows. These diagnostics are not documented here. The latest version of the diagnostics program is available from http://www.lenovo.com/support on the World Wide Web. Type your machine type into the Use Quick path field and click Go to find the downloadable files that are specific to the computer. See "Diagnostics program download." Diagnostic error messages appear when a test program finds a problem with a hardware option. For the test programs to properly determine if a test Passed, Failed or Aborted, the test programs check the error-return code at test completion. See "Diagnostic error codes" on page 54. If an installed device is not recognized by the diagnostics program, that device might be defective. Starting PC-Doctor from a diagnostic diskette or CD-ROM Note: If your computer has no internal diskette drive, an external USB diskette drive is required when using the diagnostic diskette. 1. If your computer is already on when you start this procedure, shut down the operating system and turn off the computer. 2. Insert the diskette or CD-ROM in the appropriate drive. 3. Turn on the computer. Note: If the PC-Doctor program fails to start, make sure that the startup device sequence is configured to allow startup from the diskette or CD-ROM drive. See "Selecting a startup device" on page 51. Diagnostics program download If you have access to the internet, you can download a diskette image or a startable CD-ROM image (.iso file) of the diagnostics. To download the latest diagnostics program from the WWW, do the following: v Go to http://www.lenovo.com/support. v Type the machine type in the "Use Quick Path" field and click Go. v Click Downloads and drivers and scroll down to locate the Enhanced diagnostics. © Lenovo 2006. Portions © IBM Corp. 2005, 2006. 43

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Chapter
5.
Diagnostics
using
PC-Doctor
for
DOS
Diagnostics
are
provided
by
the
PC-Doctor
program
for
DOS.
These
include
a
full
range
of
diagnostic
utilities
to
determine
the
operating
condition
of
the
computer’s
hardware
components.
You
can
run
diagnostics
using
a
bootable
diagnostic
diskette
or
CD-ROM.
You
can
also
run
diagnostics
and
create
diagnostic
diskettes
from
the
Rescue
and
Recovery
program.
Note:
The
diagnostics
that
can
be
run
from
the
desktop
are
PC-Doctor
for
windows.
These
diagnostics
are
not
documented
here.
The
latest
version
of
the
diagnostics
program
is
available
from
on
the
World
Wide
Web.
Type
your
machine
type
into
the
Use
Quick
path
field
and
click
Go
to
find
the
downloadable
files
that
are
specific
to
the
computer.
See
“Diagnostics
program
download.”
Diagnostic
error
messages
appear
when
a
test
program
finds
a
problem
with
a
hardware
option.
For
the
test
programs
to
properly
determine
if
a
test
Passed
,
Failed
or
Aborted
,
the
test
programs
check
the
error-return
code
at
test
completion.
See
“Diagnostic
error
codes”
on
page
54.
If
an
installed
device
is
not
recognized
by
the
diagnostics
program,
that
device
might
be
defective.
Starting
PC-Doctor
from
a
diagnostic
diskette
or
CD-ROM
Note:
If
your
computer
has
no
internal
diskette
drive,
an
external
USB
diskette
drive
is
required
when
using
the
diagnostic
diskette.
1.
If
your
computer
is
already
on
when
you
start
this
procedure,
shut
down
the
operating
system
and
turn
off
the
computer.
2.
Insert
the
diskette
or
CD-ROM
in
the
appropriate
drive.
3.
Turn
on
the
computer.
Note:
If
the
PC-Doctor
program
fails
to
start,
make
sure
that
the
startup
device
sequence
is
configured
to
allow
startup
from
the
diskette
or
CD-ROM
drive.
See
“Selecting
a
startup
device”
on
page
51.
Diagnostics
program
download
If
you
have
access
to
the
internet,
you
can
download
a
diskette
image
or
a
startable
CD-ROM
image
(.iso
file)
of
the
diagnostics.
To
download
the
latest
diagnostics
program
from
the
WWW,
do
the
following:
v
Go
to
.
v
Type
the
machine
type
in
the
“Use
Quick
Path”
field
and
click
Go
.
v
Click
Downloads
and
drivers
and
scroll
down
to
locate
the
Enhanced
diagnostics.
©
Lenovo
2006.
Portions
©
IBM
Corp.
2005,
2006.
43