Lenovo Y520 Руководство пользователя - Страница 28
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Chapter 4. Troubleshooting
Sound problems
No sound can be heard
from the speaker even
when the volume is
turned up.
Battery pack problems
Your computer shuts
down before the battery
status indicator shows
empty.
-or-
Your computer operates
after the battery status
indicator shows empty.
The computer does not
operate with a fully
charged battery pack.
A hard disk drive problem
The hard disk drive does
not work.
Recovery System problems
Failure to restore system
partition to factory default.
• Make sure that:
- The Mute function is off.
- The combo audio jack is not being used.
- Speakers are selected as the playback device.
• Discharge and recharge the battery pack.
• The surge protector in the battery pack might be active. Turn
off the computer for one minute to reset the protector; then
turn on the computer again.
• Make sure that the hard disk drive is included in the Boot
menu in the BIOS setup utility correctly.
• The system partition (e.g. the partition size or the drive
capacity of C) has been modified.
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