54 Solving Problemsw w w . j p . d e l l . c o m | s u p p o r t . j p . d e l l . c o mVideo and Monitor ProblemsIf the screen is blankHINT: See the monitordocumentation fortroubleshootingprocedures.C H E C K T H E M O N I T O R P O W E R L I G H T — If the power light is lit or blinking,the monitor has power. If the power light is blinking, press a key on the keyboardor move the mouse.P R E S S T H E M O N I T O R P O W E R B U T T O N — Firmly press the button toensure that the monitor is turned on.C H 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 forbent or broken pins. (It is normal for monitor cable connectors to have missingpins.) Ensure that the video cable is connected as shown on the setup diagram foryour computer.T E 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 isworking by testing it with another device, such as a lamp.S W A P T H E P O W E R C A B L E S — Swap the computer and monitor powercables to determine if the power cable is defective.T E S T T H E V I D E O EX T E N S I O N C A B L E ( I F U S E D ) — If you are using avideo extension cable and removing the cable solves the problem, the cable isdefective.T E S T A N O T H E R M O N I T O R — If another monitor is available, connect it tothe computer.C H E C K T H E D I A G N O S T I C L I G H T S — See page 58.