DELL D600 用户手册

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If the display is difficult to read 
 
 
If only part of the display is readable 
 
Sound and Speaker Problems  
Fill out the 
 
 
If you have a problem with integrated speakers 
 
 
Adjust the power properties — 
Search for the keyword standby in Windows Help or the Windows Help and Support Center.  
 
 
Switch the video image — 
If your computer is attached to an external monitor, press <Fn><F8> to switch the video image to the display. 
 
 
Adjust the brightness — 
 
 
Move the subwoofer away from the computer or monitor — 
If your external speaker system includes a subwoofer, ensure that the 
subwoofer is at least 60 cm (2 ft) away from the computer or external monitor.
 
 
 
Eliminate possible interference — 
Turn off nearby fans, fluorescent lights, halogen lamps, or other appliances. 
 
 
Rotate the computer to face a different direction — 
Eliminate sunlight glare, which can cause poor picture quality. 
 
 
Adjust the Windows display settings — 
 
 
 
Windows XP 
1.
 
Click the Start button and then click Control Panel.  
2.
 
Click Appearance and Themes.  
3.
 
Click the area you want to change or click the Display icon.  
4.
 
Try different settings for Color quality and Screen resolution.  
Windows 2000 
1.
 
Click the Start button, point to Settings, and then click Control Panel.  
2.
 
Double-click the Display icon and click the Settings tab.  
3.
 
Try different settings for Colors, Screen area, and Advanced Settings.  
 
 
Run the Video diagnostics tests — 
If no error message appears and you still have a display problem, but the display is not completely blank, 
run the Video device group in the 
. Then 
. 
 
 
See "Error Messages" — 
." 
 
 
Connect 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.  
 
 
Adjust the Windows volume control — 
Double-click the speaker icon in the lower-right corner of your screen. Ensure that the volume is 
turned up and that the sound is not muted. Adjust the volume, bass, or treble controls to eliminate distortion.