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TE S T A N O T H E R M O N I T O R If another monitor is available, connect it to the computer.

CH E C K T H E D I A G N O S T I C L I G H T S See page 60.

If the screen is difficult to read

CH E C K T H E M O N I T O R S E T T I N G S See the monitor documentation for instructions on adjusting the contrast and brightness, demagnetizing (degaussing) the monitor, and running the monitor self-test.

CH E C K T H E V I D E O C O N N E C T O R If you purchased the optional video card, ensure that you connected your monitor cable to the correct video connector.

MO V E T H E S U B W O O F E R A W A Y F R O M T H E M O N I T O R If your speaker system includes a subwoofer, ensure that the subwoofer is at least 60 cm (2 ft) away from the monitor.

MO V E T H E M O N I T O R A W A Y F R O M EX T E R N A L P O W E R S O U R 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.

RO T A T E T H E M O N I T O 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.

AD J U S T T H E WI N D O W S ® D I S P L A Y S E T T I N G S

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.

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Solving Problems

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Image 56
Dell 4500C, 6M515 manual If the screen is difficult to read