Lenovo IdeaPad Y550 - 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:
ƒ The Mute function is off.
ƒ The headphone jack is not used.
ƒ 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