142 Solving Problems
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•If the monitor display is blank, the computer may be in suspended, or
hibernate, state. Push and release the power button, move the mouse,
or press a key on the keyboard to bring the computer out of the
suspended state.
•Disconnect the monitor interface cable from the computer and check
the cable connector for bent or broken pins. Check for damaged or
frayed cables.
•If the monitor interface cable is not damaged, ensure that it is firmly
connected to the computer.
•Adjust brightness and contrast settings on the monitor.
If the problem still exists after you complete the basic checks, fill out the
Diagnostics Checklist as you perform the following steps:
1Turn off the computer, wait 30 seconds, and then turn the computer
back on.
2Allow 1 minute for the compute r t o initialize its components, and
then adjust the monitor's brightness and contrast controls.
Is the monitor readable?
Yes. The problem is resolved.
No. Go to step 3.
3Turn off nearby fans, lights, lamps, or other electrical devices.
Is the monitor readable?
Yes. One or more of those devices was causing interference. The
problem is resolved.
No. Go to step 4.
4Turn off the c ompu ter and th e m oni tor, swap the monitor powe r cab le
with a known working cable such as the computer cable, and then turn
on the computer and monitor.
Is the monitor working properly?
Yes. You need a new power cab le. Contact Dell for technical assistance.
No. Go to the next question.
Do you have another monitor that is working properly?
Yes. Go to step 5.