You need to follow the easy steps and get rid of it
1. Make sure your display (moniter, CRT, LCD, screen, whatever you prefer to call it) is plugged into a wall outlet
or power strip and powered on. Also ensure that it is securely plugged
into the back or bottom of your display. Many displays do not have
removable power cords, making them more prone to shorts and other
damage. Check your cable to make sure it isn't damaged.
sure the power strip or wall outlet that your display is plugged into
are functioning by plugging another electrical device, such as a lamp,
into it and switching it on.
3. Check the connection between
your computer and your display. Make sure that it is completely plugged
into both as well as fastened with the attached screws.
5. To double-check any possible cable problems, if at all possible, swap out the screen's power cord
and the cable connecting your computer
to your display.
Swapping out your display is also a good way of narrowing down the
problem. If you get the same result with a different display, then you
can be near positive the problem is something in your computer. If
switching displays fixes it, then the culprit is a faulty display.
Try turning your display on and off. Does the power indicator light
change? Green means On, amber means Standby, and no light means no
power. If your display starts out green when it is turned on, then goes
to amber, that usually means that it is not receiving any signal from
your computer and therefore assumes it is not needed. The problem is
most likely not with the monitor but in the computer.
Read more: http://www.brighthub.com/computing/hardware/articles/12648.aspx#ixzz0s9UQmWub
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Thanks......Have a great time