Solving Problems 55Video and Monitor ProblemsIf the screen is blankHINT: See the monitordocumentation fortroubleshootingprocedures.R U N T H E S P E A K E R D I A G N O S T I C S — Some speaker systems have self-diagnostics. See the speaker documentation for diagnostics instructions.R E I N S T A L L T H E A U D I O ( S O U N D ) D R I V E R — See page 67.C H E C K F O R I N T E R R U P T R E Q U E S T C O N F L I C T S — See page 70.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 Start Here setupdiagram for your 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.
