Lenovo E43 User Manual page 64

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 headphone jack is not used.
Speakers is selected as a playback device.
Battery problems
The battery cannot be fully charged by the power-off method in the
standard charge time for your computer.
For details, See "Checking battery status" in Chapter 2.
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.
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