Solving Problems 49No sound from headphonesVideo and Monitor ProblemsIf the screen is blankNOTE: See the monitor documentation for troubleshooting procedures.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 thespeaker documentation for diagnostics instructions.RE 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 62.CH 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 65.CH E C K T H E H E A D P H O N E C A B L E C O N N E C T I O N — Ensure that the headphone cable issecurely inserted into the headphone connector (see page 70).D I S A B L E D I G I T A L M O D E — Your CD or DVD drive headphones do not work if the CD orDVD drive is operating in digital mode. To disable digital mode:1 Click the Start button, click Control Panel, and then click Sounds, Speech, and Audio Devices.2 Click Sounds and Audio Devices.3 Click the Hardware tab.4 Double-click the name of your CD drive.5 Click the Properties tab.6 Uncheck the Enable digital CD audio for this CD-ROM device box.AD J U S T T H E WI N D O W S V O L U M E C O N T R O L — Click or double-click the speaker icon in thelower-right corner of your screen. Ensure that the volume is turned up and that the sound is notmuted.CH 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 toensure that the monitor is turned on. If the power light is lit or blinking, the monitor has power. Ifthe power light is blinking, press a key on the keyboard or move the mouse.J2936bk0.book Page 49 Tuesday, September 2, 2003 3:06 PM