Lenovo 3000 V200 Bedienungsanleitung PDF herunterladen (Seite 27)

Problem: The computer enters sleep mode (the sleep indicator turns on)

immediately after Power-on self-test (POST).

Solution: Make sure that:

v The battery is charged.

v The operating temperature is within the acceptable range. See

“Specifications” on page 44.

the battery is charged and the temperature is within range, have

the computer serviced.

Problem: The critical low-battery error message appears, 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 sleep mode, the computer

display remains blank.

Solution: Check whether an external monitor was disconnected or turned off

while the computer was in sleep mode. If you disconnected or

turned off the external monitor, connect it or turn it on before

resuming the computer from the sleep mode. When resuming the

computer from the sleep mode without attaching the external

monitor or turning it on, and the computer display remains blank,

press Fn+F7 to bring up the computer display.

Note: If you use the Fn+F7 key combination to apply a presentation

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 sleep mode, or the sleep

indicator stays on and the computer does not work.

Solution: If the computer does not return from sleep mode, it may have

entered sleep or hibernation mode automatically because the battery

is depleted. Check the sleep indicator.

v If the sleep indicator is on, your computer is in sleep mode.

Connect the ac adapter to the computer; then press any key or

the power button.

v If the sleep 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.

the system still does not return from sleep mode, your system

may stop responding and you cannot turn off the computer. Reset

the computer. Unsaved data may be lost. To reset the computer,

press and hold the power button for 4 seconds or more. If the

computer is still not reset, remove the ac adapter and the battery.

Solving computer problems

Chapter 3. Solving computer problems 17

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Lenovo 3000 V200 Bedienungsanleitung Seite 27