Lenovo 3000 V200 Bedienungsanleitung PDF herunterladen (Seite 25)

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.)

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

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Lenovo 3000 V200 Bedienungsanleitung Seite 25