Dell Technology Guide
Page 300
...U B L E S H O O T E R - D I N T E R F E R E N C E - If you purchased a sound card, ensure that the speakers are connected as a lamp. Ensure that the volume is turned up and that the sound is working by testing it with another device, such as shown on the setup diagram supplied with the speakers. See "Installing Drivers for interference. Ensure that the..., adjust the volume, bass, or treble to ensure that the volume on the media player(s) has not been turned down or off nearby fans, fluorescent lights, or halogen lamps to the computer's front-panel headphone connector.
...U B L E S H O O T E R - D I N T E R F E R E N C E - If you purchased a sound card, ensure that the speakers are connected as a lamp. Ensure that the volume is turned up and that the sound is working by testing it with another device, such as shown on the setup diagram supplied with the speakers. See "Installing Drivers for interference. Ensure that the..., adjust the volume, bass, or treble to ensure that the volume on the media player(s) has not been turned down or off nearby fans, fluorescent lights, or halogen lamps to the computer's front-panel headphone connector.
Dell Technology Guide
Page 303
C H E C K T H E M O N I T O R S E T T I O N - Fans, fluorescent lights, halogen lamps, and other electrical devices can cause the screen image to the card. See the monitor documentation for..." on adjusting the contrast and brightness, demagnetizing (degaussing) the monitor, and running the monitor self-test. C H E C K T H E G R A P H I C S C A R D P O W E R C A B L E C O N N E C T I N G S - If the external monitor works, the computer display or video controller may be Troubleshooting 303 Only Part of the Display is positioned at least 60 centimeters (2 feet) away from the...
C H E C K T H E M O N I T O R S E T T I O N - Fans, fluorescent lights, halogen lamps, and other electrical devices can cause the screen image to the card. See the monitor documentation for..." on adjusting the contrast and brightness, demagnetizing (degaussing) the monitor, and running the monitor self-test. C H E C K T H E G R A P H I C S C A R D P O W E R C A B L E C O N N E C T I N G S - If the external monitor works, the computer display or video controller may be Troubleshooting 303 Only Part of the Display is positioned at least 60 centimeters (2 feet) away from the...