Lenovo IdeaPad Y550 User Manual
Page 55
Chapter 4. Troubleshooting
47
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 headphone jack is not used.
Speakers is selected as a playback device.
Battery problems
Your computer shuts down before the battery status indicator shows
empty.
-or-
Your computer operates after the battery status indicator shows
empty.
Discharge and recharge the battery.
The operating time for a fully charged battery is short.
For details, see “Handling the battery” in Chapter 2.
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.
Y550 UG V1.0_en.book Page 47 Wednesday, December 10, 2008 4:51 PM