IBM THINKPAD X41 Manuale Utente
v
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.
Note:
If
you
use
the
Fn+F7
key
combination
to
apply
a
persentation
scheme,
press
Fn+F7
at
least
three
times
in
three
seconds,
and
the
image
is
displayed
on
the
computer
screen.
Problem:
The
computer
does
not
return
from
standby
mode,
or
the
standby
indicator
stays
on
and
the
computer
does
not
work.
Solution:
If
the
system
does
not
return
from
standby
mode,
it
may
have
entered
standby
or
hibernation
mode
automatically
because
the
battery
is
depleted.
Check
the
standby
indicator.
v
If
the
standby
indicator
is
on,
your
computer
is
in
standby
mode.
Connect
the
ac
adapter
to
the
computer;
then
press
Fn.
v
If
the
standby
indicator
is
off,
your
computer
is
in
hibernation
mode
or
power-off
state.
Connect
the
ac
adapter
to
the
computer;
then
press
power
button
to
resume
operation.
If
the
system
still
does
not
return
from
standby
mode,
your
system
may
stop
responding
and
you
cannot
turn
off
the
computer.
In
this
case,
you
need
to
reset
the
computer.
If
you
have
not
saved
your
data,
it
may
be
lost.
To
reset
the
computer,
press
and
hold
the
power
button
for
4
seconds
or
more.
If
the
system
is
still
not
reset,
remove
the
ac
adapter
and
the
battery.
Solving
computer
problems
22
ThinkPad
®
X41
Tablet
Service
and
Troubleshooting
Guide