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sounds like you may have the digital plug attachment to monitor/pc and your pc is not using digital or the settings on monitor is digital but you pc is analog. sometimes the pc cannot send the correct digital signal so you must use the analog plug cord(serial) a blue plug with a odd shape, one end wider than the other. i seem to remember the message you displayed coming up when a friend tried to connect digitally to his monitor but his pc could only send an analog signal so he had to use the other plug hook up. hope that this makes sense.
your monitor may be too new for your pc or vise versa.
Did you check your monitor with other system or individually. If it works fine in these conditions then the issue belongs to your pc. First of all, you have to confirm that is it the problem of VGA itself or the motherboard. For this, you have to see that does system beep when you start it because system with beeps having the error and the beep sound with continuous or 2-3 beeps relate with different issues. I am going to write down the beep conditions.
1 short beep
Normal POST - system is ok
2 short beeps
POST Error - error code shown on
Power supply or system board problem
Power supply, system board, or
Repeating short beeps
Power supply or system board problem
1 long, 1 short beep
System board problem
1 long, 2 short beeps
Display adapter problem (MDA, CGA)
1 long, 3 short beeps
Enhanced Graphics Adapter (EGA)
3 long beeps
3270 keyboard card
Do this to check if your monitor is in working state or not...!
Step 1:- Turn on your computer.
Step 2:- Unplug the Video Cable of your monitor which is connected with the computer.
( Video cable:- Cable going from the back of your monitor to the back of your tower. It has a plug with two screws on the plug ends, which you can unscrew to unplug it. Thats how it looks like. Some times it is in grey in color some times in blue.)
Step 3:- Now check on your monitor. If the display says " No Input Signal " :- your monitor is fine. Some thing wrong with the computer graphics.
If there is not display and the monitor light is blinking or solid the monitor has gone bad.
( Note :- Remember when you unplug the video cable do not unplug the power cable of the monitor. )
Take out the newly installed memory chip... If your sure its compatable with the motherboard, reseat it correctly into it's slot and fire up the computer. OR try rebooting with just the old memory installed. Monitor blackouts happen when the incorrect Memory is installed OR when the Memory is not seated properly.
stop chasing video and monitor problems...... :)
if the monitor goes into standbye when you plug it into the computer , it generally means there is NO signal coming from your video adaptor.
Plug the old monitor in , if it works, ide suspect the new monitor(s) are not working correctly.
if it doesnt work , you need to restart the computer in safe mode by repettitively tapping the f8 button as the computer starts, before it says "starting windows".
If you have a signal on your monitor in safe mode, then most likely you have a bad or corrupted video driver and it will need to be updated.
if you have no video in safe mode , you will need to remove the cover and physiclly check that all add-in card power cables and memory chips are squarly seatied in there slots. MAKE SURE YOU UNPLUG THE COMPUTER AND DISCHARGE ANY STAIC BUILDUP IN YOURSELF BY GROUNDING (TOUCHING) SOMETHING METAL BEFORE YOU TOUCH ANYTHING INSIDE THE COMPUTER.
AFTER YOU CHECK THESE THINGS AND TRECONNECT THE POWER AND TRY TO START......POST AGAIN HERE
if u get normal beep of ram then check your disply resolution .
when u start your pc press F8 key continus then if u get menu choos best configuration loading in menu.then change your resolution to 800x600 or 1024x768 .if u not get menu and your cpu ;s smps still work but not disply on monitor then clear your bioss . get away the cmos cell for 15 minutes from its case.then start your pc .i think your problem is solved.