Lenovo ideapad D330 User Manual page 29

Display panel problems
The screen is blank.
The screen is unreadable or distorted.
Incorrect characters appear on the screen.
Sound problems
No sound can be heard from the speakers even when the
volume is turned up.
Battery problems
Your computer shuts down before the battery status
indicator shows empty.
-or-
Your computer operates after the battery status indicator
shows empty.
• Do the following:
– If you are using the AC power adapter or the battery,
and the battery status indicator is on, press Fn +
to make the screen brighter.
– If the power indicator is blinking, press the Power
button to resume from sleep mode.
– If the problem persists, follow the solution in the
next problem "The screen is unreadable or
distorted."
• Make sure that:
– The screen resolution and color quality are correctly
set.
– The monitor type is correct.
• Is the operating system or programs installed
correctly? If they are installed and configured correctly,
have the computer serviced.
• Make sure that:
– The Mute function is off.
– The combo audio jack is not being used.
– Speakers are selected as the playback device.
• Recharge the battery.
.
Chapter 4 Troubleshooting
23