If Only Part Of The Display Is Readable; Sound And Speaker Problems; If You Have A Problem With Integrated Speakers - Dell Inspiron 4150 Owner's Manual

60 So l vi n g Pro b l em s
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O T A T E T H E C O M P U T E R T O F A C E A D I F F E R E N T D I R E C T I O N
Eliminate sunlight glare, which can cause poor picture quality.
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D J U S T T H E I N D O W S D I S P L A Y S E T T I N G S
Click the Start button and then click Control Panel.
1
Click Appearance and Themes.
2
Click the area you want to change or click the Display icon.
3
Try different settings for Color quality and Screen resolution.
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S "E M
E E R R O R E S S A G E S

If only part of the display is readable

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O N N E C T A N E X T E R N A L M O N I T O R
Turn off your computer and connect an external monitor to the computer.
1
Turn on the computer and the monitor and adjust the monitor brightness and
2
contrast controls.
If the external monitor works, the computer display or video controller may be
defective. Contact Dell (see page 108).

Sound and Speaker Problems

If you have a problem with integrated speakers

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D J U S T T H E I N D O W S
icon in the lower-right corner of your screen. Ensure that the volume is turned up
and that the sound is not muted. Adjust the volume, bass, or treble controls to
eliminate distortion.
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D J U S T T H E V O L U M E U S I N G K E Y B O A R D S H O R T C U T S
to disable (mute) or reenable the integrated speakers.
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E I N S T A L L T H E S O U N D
—
" — If an error message appears, see page 57.
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®
— Double-click the speaker
V O L U M E C O N T R O L
( ) — See page 75.
A U D I O D R I V E R
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— Press