Lenovo IdeaPad Y460 Bedienungsanleitung PDF herunterladen (Seite 63)

Chapter 5. Troubleshooting

Keyboard problems

A number appears when

you enter a letter.

• The numeric lock function is on. To disable it, press

Fn+F8.

Sleep or hibernation problems

The computer enters sleep

mode unexpectedly.

•

If the processor overheats, the computer automatically

enters sleep mode to allow the computer to cool and to

protect the processor and other internal components.

Check the settings for sleep mode.

The computer enters sleep

mode immediately after

Power-on self-test (POST).

• Make sure that:

- The battery is charged.

- The operating temperature is within the acceptable

range. See “Appendix B. Use and care

information” on page 71.

Note: If the battery is charged and the temperature is within range, have the computer

serviced.

The critical low-battery error

message appears, and the

computer immediately turns

off.

• The battery power is getting low. Connect the AC

adapter to the computer, or replace the battery with

a fully charged one.

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Lenovo IdeaPad Y460 Bedienungsanleitung Seite 63