Solving Problems 41If the screen is difficult to readTE S T T H E E L E C T R I C A L O U T L E T — Ensure that the electrical outlet is working by testing it with anotherdevice, such as a lamp.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 43.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 thecontrast and brightness, demagnetizing (degaussing) the monitor, and running the monitor self-test.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 E X T E R N A L P O W E R S O U R C E S — Fans, fluorescent lights, halogenlamps, and other electrical devices can cause the screen image to appear "shaky." Turn off nearby devicesto check for interference.RO T A T E T H E M O N I T O R T O E L I M I N A T E S U N L I G H T G L A R E A N D P O S S I B L E I N T E R F E R E N C EAD 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, click Control Panel, and then click Appearance and Themes.2 Click Display and click the Settings tab.3 Try different settings for Screen resolution and Color quality.
