Dell Dimension 8300N Owner's Manual - Page 50

www.dell.com | support.dell.com Video and Monitor Problems If the screen is blank NOTE: See the monitor documentation for troubleshooting procedures. 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 off, firmly press the button to ensure that the monitor is turned on. If the power light is lit or blinking, the monitor has power. If the power light is blinking, press a key on the keyboard or move the mouse. 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 for bent or broken pins. (It is normal for monitor cable connectors to have missing pins.) Ensure that the video cable is connected as shown on the Start Here 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 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 power cables to determine if the power cable is defective. TE 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 a video extension cable and 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. 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 54. If the screen is difficult to read C H 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. M O 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. 50 Solving Pr oblems