This is the symptom of video card problem,try to check the video card of the CPU ,..
hope this may help;
Regards,
VOTIT
Assuming the system power comes up, does the monitor
power come on? Most monitors have a status LED on the front bezel that should
show green, orange, or blinking if the monitor is powered on. You can also
hear most monitors power on with a gentle sound, though I can't describe
it beyond saying it's the sound of a CRT tube warming up. Make sure the monitor
is plugged into a good outlet by testing the outlet with a lamp or any other
device that will prove beyond a doubt that the outlet is good. Make sure
that the power cord is either permanently attached at the monitor end or
that it is seated fully in the socket, since partial cord insertion is the
most common failure for monitors with detachable cords.
LCD displays don't make any sound when you turn them on, but they don't have
a simple power cord, either. LCD monitors are usually powered by an external
transformer, which in turn is powered from a regular AC outlet. If the LCD
display doesn't show any signs of life, make sure that the cords into and
out of the transformer are fully seated. Some transformers are equipped with
a status LED to show when they are operating, though you can also check for
live output with a DC voltmeter. The power connection to the LCD display
is often awkward to inspect, recessed into the back of the display. The important
thing is to make sure it is started correctly, then seated all the way.
Return to Diagnostic Chart
Few things related to computers are more embarrassing
than taking your monitor for repair and finding out that the brightness was
turned all the way down. This frequently happens with exposed dials when
you pick up the computer monitor and move it, though a prankster might also
turn down the settings when they're concealed behind a pop-out door right
under the screen. Make sure that manual brightness and contrast controls
on the monitor are set somewhere in the middle of their range, since it's
not always obvious which way is maximum or minimum. If the monitor is alive,
turning the brightness and contrast all the way up will often result in the
screen lighting up a little. The easiest way to check if the monitor is good
is to simply attach it to another working PC.
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Dear sir/madam,
The power settings are disabled in both Windows & the bios. It can be adjusted through Windows (display properties, screen saver -
Power Settings) and there are BIOS power saving options as well.
If it not fix the problem contact repair service for more help.
Thanks
good luck
Don't forget to rate the solution
Please double check your physical connection first from monitor to the PC make sure they are tightly attached. Try to isolate the problem by using a different monitor if you have another desktop. If the same problem still persist, you have a defective monitor. Better claim your warranty to the store where you bought it since its still a couple of months old.
If you have a spare monitor try connecting that so we can check if this is really a problem with your monitor of the video card on your computer, Because if the other monitor works fien that's the time we can say that its a monitor problem and your monitor needs a replacement, But if you still have the same problem with the second monitor we can say that its a problem with your video card and that's the one that needs a replacement..
Hope that helps..........
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when I turn pc on, everything seems to be working as usual and after 4 or 5 minutes monitor goes blank. I turn monitor off and then on again and works for a couple of seconds and goes blank again. We purchased monitor new only a couple of months ago. Don't know if the problem is with the monitor or the pc. Pc seems to be working ok except for this issue.
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