IBM z61 Supplementary Manual
→
Check
the
mouse
driver
in
the
Device
Manager
window,
and
make
sure
that
the
PS/2
TrackPoint
driver
is
installed.
Standby
or
hibernation
problems
Problem:
The
computer
enters
standby
mode
unexpectedly.
Solution:
→
If
the
processor
overheats,
the
computer
automatically
enters
standby
mode
to
allow
the
computer
to
cool
and
to
protect
the
processor
and
other
internal
components.
Also,
check
the
settings
for
standby
mode,
using
Power
Manager.
Problem:
The
computer
enters
standby
mode
immediately
after
Power-on
self-test
(POST)
(the
standby
indicator
light
turns
on).
Solution:
→
Make
sure
that:
–
The
battery
is
charged.
–
The
operating
temperature
is
within
the
acceptable
range.
Refer
to
If
these
items
are
correct,
have
the
computer
serviced.
Problem:
The
critical
low-battery
error
message
is
displayed,
and
the
computer
immediately
turns
off.
Solution:
→
The
battery
power
is
getting
low.
Connect
the
ac
adapter
to
the
computer,
or
replace
the
battery
with
a
fully
charged
one.
Problem:
When
you
take
action
to
return
from
standby
mode,
the
computer
display
remains
blank.
Solution:
→
Check
whether
an
external
monitor
was
disconnected
while
the
computer
was
in
standby
mode.
Do
not
disconnect
the
external
monitor
while
the
computer
is
in
standby
mode
or
hibernation
mode.
If
no
external
monitor
is
attached
when
the
computer
resumes,
the
computer
display
remains
blank
and
output
is
not
displayed.
This
restriction
does
not
depend
on
the
resolution
value.
Press
Fn+F7
to
bring
up
the
computer
display.
Solving
computer
problems
20
ThinkPad
®
Z61
Series
Service
and
Troubleshooting
Guide