Dell Dimension 4500C (Japan Only) - Manual (Page 56)

56 Solving Problems
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upport.jp.dell.com If the screen is difficult to read
T E S T AN O T HE R MO N ITO R — If another monitor is available, connect it to
the computer.
C HE C K T H E D I AG N O S T I C L I G H T S — See page 60.
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.
C HE C K T H E V I DE O C O NN EC T O R — If you purchased the optional video
card, ensure that you connected your monitor cable to the correct video
connector.
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.