Dell Dimension 4550 - Manual (Page 58)

58 Solving Problems
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If the screen is difficult to read
C HE C K T H E M O NI T O R S E T T I N GS — See the monitor documentation for
instructions on adjusting the contrast and brightness, demagnetizing
(degaussing) the monitor, and running the monitor self-test.
M O V E T H E S UB W O O F E R AW A Y F R OM THE MO N ITO R — If your speaker
system includes a subwoofer, ensure that the subwoofer is at least 60 cm (2 ft)
away from the monitor.
M O V E T H E M O NI T O R A W A Y F RO M EXT ER N A L PO W E R S O UR C E S —
Fans, fluorescent lights, halogen lamps, and other electrical devices can cause the
screen image to appear "shaky." Turn off nearby devices to check for interference.
R O T A T E T H E M O NI T O 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 ® D I S P L A Y S E T T I N GS —
1 Click the Start button, and then click Control Panel.
2 Click Appearance and Themes.
3 Click Display, and then click the Settings tab.
4 Try different settings for Screen resolution and Color quality.
R E S T OR E THE R EC O M ME N DE D S E T T I N G S — Restore the original
resolution and refresh rate settings. See the Tell Me How help file for instructions.
To access help files, see page 38.
C HE C K F O R IN T E R RU P T RE Q U ES T C O N F L I C T S — See page 70.