Dell Inspiron 4150 - Manual (Page 60)

60 Solving Problems
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If only part of the display is readable
Sound and Speaker Problems
If you have a problem with integrated speakers
R O T A T E T H E C O MP U T E R T O F A C E A D IF F E R EN T D IR E C T IO N —
Eliminate sunlight glare, which can cause poor picture quality.
A D J US T T H E W IN D O W S DI S P L AY S ET T IN G S —
1 Click the Start button and then click Control Panel.
2 Click Appearance and Themes.
3 Click the area you want to change or click the Display icon.
4 Try different settings for Color quality and Screen resolution.
S E E "E R R O R M E S S A G E S " — If an error message appears, see page 57.
C O NN EC T A N EX T E R NA L M ON I T O R —
1 Turn off your computer and connect an external monitor to the computer.
2 Turn on the computer and the monitor and adjust the monitor brightness and
contrast controls.
If the external monitor works, the computer display or video controller may be
defective. Contact Dell (see page 108).
A D J US T T H E W IN D O W S ® V O L U ME C O NT R O L — Double-click the speaker
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.
A D J US T T H E V O L U ME USI N G K EY B O AR D S H O R T C U T S — Press
to disable (mute) or reenable the integrated speakers.
R E I NS T AL L THE S O U ND ( AU D I O ) D R IV E R — See page 75.