Dell Precision M6300 (Late 2007) - Manual (Page 133)

Troubleshooting
133
C HECK THE MONITOR POWER LIGHT
• If the power light is lit or blinking, the monitor has power.
• If the power light is off, firmly press the button to ensure that the monitor is turned
on.
• If the power light is blinking, press a key on the keyboard or move the mouse to
resume normal operation.
T EST THE ELECTRICAL OUTLET — Ensure that the electrical outlet is working by
testing it with another device, such as a lamp.
C HECK THE MONITOR SETTINGS — See the monitor documentation for instructions
on adjusting the contrast and brightness, demagnetizing (degaussing) the monitor,
and running the monitor self-test.
M OVE THE MONITOR AWAY FROM EXTERNAL POWER SOURCES — Fans, fluorescent
lights, halogen lamps, and other electrical devices can cause the screen image to
appear shaky. Turn off nearby devices to check for interference.
R OTATE THE MONITOR TO ELIMINATE SUNLIGHT GLARE AND POSSIBLE
INTERFERENCE
A DJUST THE W INDOWS DISPLAY SETTINGS
Windows XP:
1 Click Start → Control Panel→ Appearance and Themes.
2 Click the area you want to change or click the Display icon.
3 Try different settings for Color quality and Screen resolution.
Windows Vista:
1 Click Start → Control Panel→ Hardware and Sound→ Personalization→
Display Settings.
2 Adjust Resolution and Colors settings, as needed.
C HECK THE MONITOR SETTINGS — See the monitor documentation for instructions
on adjusting the contrast and brightness, demagnetizing (degaussing) the monitor,
and running the monitor self-test.
If only part of the display is readable
C ONNECT AN EXTERNAL MONITOR
1 Shut down your computer and connect an external monitor to the
computer.
2 Turn on the computer and the monitor and adjust the monitor brightness
and contrast controls.
book.book Page 133 Wednesday, August 13, 2008 12:12 PM