50 Solving Problemsw w w . d e l l . c o m | s u p p o r t . d e l l . c o mIf the screen is difficult to readCH E C K T H E M O N I T O R C A B L E C O N N E C T I O N — Check the connector for bent or broken pins.(It is normal for monitor cable connectors to have missing pins.)Ensure that the video cable isconnected as shown on the setup diagram for your computer.TE 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 itwith another device, such as a lamp.SW A P T H E P O W E R C A B L E S — Swap the computer and monitor power cables to determine ifthe power cable is defective.TE S T T H E V I D E O E X T E N S I O N C A B L E (I F U S E D ) — If you are using a video extension cableand removing the cable solves the problem, the cable is defective.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 54.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 onadjusting the contrast and brightness, demagnetizing (degaussing) the monitor, and running themonitor 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 asubwoofer, 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, fluorescentlights, 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.J2936bk0.book Page 50 Tuesday, September 2, 2003 3:06 PM
