Chapter 4. Troubleshooting

Sound problems

No sound can be heard from the speaker even when the volume is turned up.

Make sure that:

-The Mute function is off.

-The combo audio jack is not used.

-Speakers are selected as the playback device.

Battery problems

Your computer shuts down before the battery status indicator shows empty. -or-

Your computer operates after the battery status indi- cator shows empty.

The computer does not operate with a fully charged battery.

Discharge and recharge the 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

In the Boot menu in BIOS setup utility, make sure

not work.

that the hard disk drive is included in the Boot

 

Device Priority correctly.

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Lenovo 4941XF2, U510, 59RF0049 manual Troubleshooting Sound problems, Battery problems, Hard disk drive problem

4941XF2, U510, 59RF0049 specifications

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