Errors without messages, Errors, Without – Lenovo ThinkPad T60p User Manual
Page 25: Messages

Errors
without
messages
Problem:
When
I
turn
on
the
machine,
nothing
appears
on
the
screen
and
the
machine
does
not
beep
while
starting
up.
Note:
If
you
are
not
sure
whether
you
heard
any
beeps,
turn
off
the
computer
by
pressing
and
holding
the
power
button
for
more
than
4
seconds;
then
turn
it
on
and
listen
again.
If
you
are
using
an
external
monitor,
see
Solution:
If
a
power-on
password
is
set,
press
any
key
to
display
the
power-on
password
prompt,
and
then
type
the
correct
password
and
press
Enter.
If
the
power-on
password
prompt
does
not
appear,
the
brightness
level
might
be
set
to
minimum
brightness.
Adjust
the
brightness
level
by
pressing
the
Fn+Home.
If
the
screen
still
remains
blank,
make
sure
that:
v
The
battery
is
installed
correctly.
v
The
ac
adapter
is
connected
to
the
computer
and
the
power
cord
is
plugged
into
a
working
electrical
outlet.
v
The
computer
power
is
on.
(Turn
on
the
power
switch
again
for
confirmation.)
If
these
items
are
properly
set,
and
the
screen
remains
blank,
have
the
computer
serviced.
Problem:
When
I
turn
on
the
machine,
nothing
appears
on
the
screen,
but
I
hear
two
or
more
beeps.
Solution:
Make
sure
that
the
memory
card
is
installed
correctly.
If
it
is,
but
the
screen
is
still
blank,
and
you
hear
five
beeps,
have
the
computer
serviced.
If
you
hear
4
cycles
of
4
beeps
each,
the
Security
Chip
has
a
problem.
Have
the
computer
serviced.
Problem:
When
I
turn
on
the
machine,
only
a
white
pointer
appears
on
a
blank
screen.
Solution:
Reinstall
your
operating
system
(see
and
turn
on
the
computer.
If
you
still
see
only
the
pointer
on
the
screen,
have
the
computer
serviced.
Problem:
My
screen
goes
blank
while
the
computer
is
on.
Solution:
Your
screen
saver
or
power
management
may
be
enabled.
Move
the
TrackPoint
or
press
a
key
to
exit
the
screen
saver,
or
press
the
power
switch
to
resume
from
standby
or
hibernation.
Solving
computer
problems
Chapter
3.
Solving
computer
problems
17