Dell P790 manual Accessing the User’s Guide through Online or CD-ROM, Troubleshooting Tips

Accessing the User’s Guide through Online or CD-ROM

1. To view the most up-to-date Online User’s Guide, go to www.dell.com and go to the support section of the website. If you do not have internet access, continue with step 2.

2. Insert the CD into your CD-ROM drive. A start-up document should launch automatically.

Note: If the start-up document does not launch automatically, click on the START button, RUN, type “D:\monitor.htm”, and click OK. Substitute the correct CD-ROM drive letter if it is not the “D:” drive.

3. Click on the appropriate icon to bring the User’s Guide in the desired language.

Troubleshooting Tips

Poor Picture Images

No video/LED off (no power)	No video/LED on
S Ensure a tight fit to both the monitor receptacle and the electrical	S Ensure that the video connector is seated properly. Tighten
outlet.	screws securely with fingers.
S Test electrical outlet by plugging in working electrical device such	S Ensure that computer is switched on.
as a lamp.	S Increase contrast control (direct access adjustment)
S Make sure that the power button has been depressed, and wait	S Turn the monitor off and unplug the signal cable. Check for bent
for the power LED to light on.	or broken pins.
S Try another power cord on the monitor. Use the power cord from	S With signal cable still disconnected, turn monitor on. If monitor is
the system and power the monitor on with the signal cable discon-	working correctly, a SELF TEST FEATURE CHECK pattern should
nected. If monitor is working correctly, a SELF TEST FEATURE	appear.
CHECK pattern should appear.

For more information refer to Troubleshooting section in User’s Guide on your CD.

Safety Instructions

Please read and follow these instructions when connecting and using your computer monitor:

S Never insert anything metallic into the monitor openings. Doing so may create the danger of electric shock.

STo avoid electric shock, never touch the inside of the monitor. Only a qualified technician should open the monitor’s case

SNever use your monitor if the power cord has been damaged. Do not allow anything to rest on the power cord, and keep the cord away from where people could trip over it.

SBe sure to hold the plug, not the cord, when disconnecting the monitor from an electric socket.

SOpenings in the monitor cabinet are provided for ventilation. To prevent overheating, these openings should not be blocked or covered.

Also, avoid using the monitor on a bed, sofa, rug, or other soft surface. Doing so may block the ventilation openings in the bottom of the cabinet. If you put the monitor in a bookcase or some other enclosed space, be sure to provide adequate ventilation.

SPut your monitor in a location with low humidity and a minimum of dust. Avoid places like damp basements or dusty hallways.

SDo not expose the monitor to rain or use it near water (in kitchens, next to swimming pools, etc.). If the monitor accidentally gets wet, un- plug it and contact an authorized dealer immediately. You can clean the monitor with a damp cloth when necessary, but be sure to unplug the monitor first.

SPlace the monitor on a solid surface and treat it carefully. The screen can be damaged if dropped, sharply hit or touched with a sharp or abrasive implement.

SLocate your monitor near an easily accessible AC outlet.

SIf your monitor does not operate normally --- in particular, if there are any unusual sounds or smells coming from it --- unplug it immediately and contact an authorized dealer or service center.

Information in this document is subject to change without notice.

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