Note:
If
you
are
running
diagnostics
from
a
diskette,
when
prompted,
remove
the
first
diskette
and
insert
the
second
diskette.
5.
Select
the
diagnostic
test
you
want
to
run.
Press
the
F1
key
for
additional
help.
6.
Remove
the
CD
or
diskette
when
the
program
finishes.
Running
diagnostics
from
the
Rescue
and
Recovery
workspace
If
you
do
not
have
a
diagnostic
CD
image
or
diagnostic
diskette,
you
can
run
the
PC-Doctor
for
DOS
diagnostic
program
from
the
Rescue
and
Recovery
workspace.
To
run
diagnostics
from
the
Rescue
and
Recovery
workspace,
use
the
following
procedure:
1.
Shut
down
the
operating
system
and
turn
off
the
computer.
2.
Repeatedly
press
and
release
the
F11
key
as
you
turn
on
the
computer.
3.
When
you
hear
beeps
or
see
a
logo
screen,
stop
pressing
the
F11
key.
The
Rescue
and
Recovery
workspace
opens.
Note:
For
some
models,
press
the
Esc
key
to
enter
Rescue
and
Recovery.
4.
From
the
Rescue
and
Recovery
workspace,
select
Diagnose
hardware
.
5.
Follow
the
prompts
on
the
screen.
The
computer
will
reboot.
6.
When
the
computer
restarts,
the
diagnostic
program
opens
automatically.
Select
the
diagnostic
test
you
want
to
run.
Press
the
F1
key
for
additional
help.
PC-Doctor
for
Windows
PE
Depending
upon
your
machine
type
and
model,
you
either
have
PC-Doctor
for
DOS
or
PC-Doctor
for
Windows
PE
on
each
Lenovo
computer.
The
PC-Doctor
for
Windows
PE
diagnostic
program
is
part
of
the
Rescue
and
Recovery
workspace.
Use
PC-Doctor
for
Windows
PE,
if
you
are
unable
to
start
the
Windows
operating
system
or
if
PC-Doctor
for
Windows
has
not
been
successful
in
isolating
a
possible
problem.
Running
diagnostics
from
the
Rescue
and
Recovery
workspace
You
can
run
the
PC-Doctor
for
Windows
PE
diagnostic
program
from
the
Rescue
and
Recovery
workspace.
To
run
diagnostics
from
the
Rescue
and
Recovery
workspace,
use
the
following
procedure:
1.
Shut
down
the
operating
system
and
turn
off
the
computer.
2.
Repeatedly
press
and
release
the
F11
key
as
you
turn
on
the
computer.
3.
When
you
hear
beeps
or
see
a
logo
screen,
stop
pressing
the
F11
key.
The
Rescue
and
Recovery
workspace
opens.
4.
From
the
Rescue
and
Recovery
workspace,
select
Diagnose
hardware
.
5.
The
diagnostic
program
opens
automatically.
Select
the
diagnostic
test
you
want
to
run.
Press
the
F1
key
for
additional
help.
6.
Follow
the
instructions
on
the
screen.
Note:
Rescue
media
includes
PC-Doctor
for
Windows
PE.
For
more
information
about
rescue
media,
see
the
User
Guide
for
the
computer.
Chapter
5.
Diagnostics
43
Summary of Contents for ThinkCentre A55
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Page 18: ... 18 kg 37 lbs 32 kg 70 5 lbs 55 kg 121 2 lbs 1 2 12 Hardware Maintenance Manual ...
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Page 115: ...Chapter 8 Replacing FRUs 109 ...
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Page 210: ...Part Number 42Y4652 Printed in USA 1P P N 42Y4652 ...
