Lenovo V200 Laptop (English) Service and Troubleshooting Guide - Page 25

Errors, without, messages

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Solving computer problems Errors without messages Problem: Solution: Problem: Solution: Problem: Solution: Problem: Solution: When I turn on the computer, nothing appears on the screen and the computer does not beep while starting up. Note: If you are not sure whether you heard any beeps, turn off the computer; then turn it on again, and listen again. If you are using an external monitor, see "Computer screen problems" on page 18. If a user password is set, press any key to display the user password prompt; then type the correct password and press Enter. If the user password prompt does not appear, the brightness level might be set to minimum brightness. Adjust the brightness level by pressing Fn+F11. 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. When I turn on the computer, nothing appears on the screen, but I hear two or more beeps. 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. When I turn on the computer, only a white cursor appears on a blank screen. Restore backed-up files to your Windows environment or the entire contents of your hard disk to the original factory contents using Rescue and Recovery. If you still see only the cursor on the screen, have the computer serviced. My screen goes blank while the computer is on. Your screen saver or power management may be enabled. Do one of the following to exit from the screen saver or to resume from sleep or hibernation mode: v Touch the touch pad. v Press a key. v Press the power switch. Chapter 3. Solving computer problems 15

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Errors
without
messages
Problem:
When
I
turn
on
the
computer,
nothing
appears
on
the
screen
and
the
computer
does
not
beep
while
starting
up.
Note:
If
you
are
not
sure
whether
you
heard
any
beeps,
turn
off
the
computer;
then
turn
it
on
again,
and
listen
again.
If
you
are
using
an
external
monitor,
see
“Computer
screen
problems”
on
page
18.
Solution:
If
a
user
password
is
set,
press
any
key
to
display
the
user
password
prompt;
then
type
the
correct
password
and
press
Enter.
If
the
user
password
prompt
does
not
appear,
the
brightness
level
might
be
set
to
minimum
brightness.
Adjust
the
brightness
level
by
pressing
Fn+F11.
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
computer,
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.
Problem:
When
I
turn
on
the
computer,
only
a
white
cursor
appears
on
a
blank
screen.
Solution:
Restore
backed-up
files
to
your
Windows
environment
or
the
entire
contents
of
your
hard
disk
to
the
original
factory
contents
using
Rescue
and
Recovery.
If
you
still
see
only
the
cursor
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.
Do
one
of
the
following
to
exit
from
the
screen
saver
or
to
resume
from
sleep
or
hibernation
mode:
v
Touch
the
touch
pad.
v
Press
a
key.
v
Press
the
power
switch.
Solving
computer
problems
Chapter
3.
Solving
computer
problems
15