Chapter
5.
Diagnostics
Diagnostic
programs
are
used
to
test
hardware
components
of
your
computer
and
report
operating-system-controlled
settings
that
can
cause
hardware
failures.
Two
diagnostic
programs
are
available
to
help
you
diagnose
problems:
v
Lenovo
System
Toolbox
(used
when
the
Windows
operating
system
is
running)
v
PC-Doctor
for
DOS
(used
when
the
Windows
operating
system
does
not
start
or
the
Lenovo
System
Toolbox
has
not
been
successful
in
isolating
a
possible
problem)
Notes:
1.
You
can
download
the
latest
version
of
the
Lenovo
System
Toolbox
or
PC-Doctor
for
DOS
diagnostic
programs
from
http://www.lenovo.com/
support/.
Type
your
machine
type
and
model
into
the
Enter
a
product
number
field
and
click
Go
to
find
the
downloadable
files
that
are
specific
to
your
computer.
2.
If
you
are
unable
to
isolate
and
repair
the
problem
yourself
after
you
run
the
Lenovo
System
Toolbox
and
depending
upon
your
machine
type
and
model,
run
the
PC-Doctor
for
DOS,
save
and
the
log
files
created
by
both
diagnostic
programs.
You
will
need
the
log
files
when
you
speak
to
a
Lenovo
technical
support
representative.
Lenovo
System
Toolbox
The
Lenovo
System
Toolbox
is
a
diagnostic
program
that
works
through
the
Windows
operating
system
and
enables
you
to
view
symptoms
and
solutions
for
computer
problems,
access
the
Lenovo
troubleshooting
center,
update
system
drivers,
and
review
system
information.
To
run
the
Lenovo
System
Toolbox,
click
Start
→
All
Programs
→
Lenovo
Services
→
Lenovo
System
Toolbox
.
Follow
the
instructions
on
the
screen.
For
additional
information
about
running
the
diagnostic
program,
refer
to
the
Lenovo
System
Toolbox
help
system.
If
you
still
suspect
a
problem
after
the
Lenovo
System
Toolbox
runs
successfully,
run
PC-Doctor
for
DOS
to
help
you
diagnose
the
computer
problem.
The
Lenovo
System
Toolbox
also
has
problem
determination
aids
that
determine
software
and
usage
problems.
PC-Doctor
for
DOS
You
can
also
download
the
latest
version
of
the
PC-Doctor
for
DOS
diagnostic
program
from:
http://www.lenovo.com/support
The
PC-Doctor
for
DOS
diagnostic
program
runs
independently
of
the
Windows
operating
system.
Use
PC-Doctor
for
DOS,
if
you
are
unable
to
start
the
Windows
operating
system
or
if
Lenovo
System
Toolbox
has
not
been
successful
in
isolating
a
possible
problem.
You
can
run
PC-Doctor
for
DOS
from
a
diagnostic
CD/DVD
image
that
you
create.
©
Lenovo
2005,
2008.
Portions
©
IBM
Corp.
2005.
43
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