Lenovo IdeaPad Y480 Bedienungsanleitung PDF herunterladen (Seite 31)

Chapter 4. Troubleshooting

Battery problems

Your computer shuts down before

the battery status indica-tor shows

empty.

-or-

Your computer operates after the

battery status indicator shows

empty.

• Discharge and recharge the battery.

The computer does not operate with

a fully charged battery.

• The surge protector in the battery might be active. Turn off the

computer for one minute to reset the protector; then turn on the

computer again.

A hard disk drive problem

The hard disk drive does not work. • In the Boot menu in BIOS setup utility, make sure that the hard disk

drive is included in the EFI/Boot device priority correctly.

A startup problem

The Microsoft

Windows oper-ating

system does not start.

• Use the OneKey Recovery system to restore the system partition to

its initial status or a previously created back-up point. For details

about the OneKey Recovery system, See “Chapter 3. Lenovo OneKey

Recovery system” on page 22.

A backup problem

Backup cannot be made. • You are not currently using a Windows operating system.

• There is not enough space to store the backed-up data. You will need

to free more space on the destination device.

Other problems

Your computer does not respond. • To turn off your computer, press and hold the power button for 4

seconds or more. If the computer still does not respond, remove the

AC adapter and the battery.

• Your computer might lock when it enters sleep mode during a

communication operation. Disable the sleep timer when you are

working on the network.

The computer does not start from a

device you want.

• See the Boot menu of the BIOS setup utility. Make sure that the EFI/

Boot device priority in the BIOS setup utility is set so that the

computer starts from the device you want.

• Press the Novo button when the computer is powered off and select

Boot Device Menu. Then select the device you want the computer to

start from.

The connected external device does

not work.

• Do not connect or disconnect any external device cables other than

USB while the computer power is on; otherwise, you might damage

your computer.

• When using a high power consumption external devices such as an

external USB optical disk drive, use external device power adapter.

Otherwise, the device may not be recognized, or system shut down

may result.

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