Try this 1
1 ) Once again check your RAM.
If you notice that your CPU fan is running but there is no display in the screen,
then remove the RAM from the slot, clean it and place it back properly or try
If you have no idea about RAM, then click on the below hyperlinks "Images".
Removing a RAM
Check your RAM also. Even bad RAM will result in display problem.
If you are having two RAMs then remove it, place only one RAM and check the
display. If you failed to get any display then change the slot. If you still failed to
get the display then try the above procedure with the other RAM.
2) If the problem still exists then remove the Graphic Card and connect your
monitor to the onboard VGA. Now check if you are able to get the display or not.
3) If the problem still exists then try resetting your CMOS settings.
Turn off your PC and remove the power chord --> Open the cabinet -->
Remove the CMOS battery for 15-30 minutes and then put it back properly. Now
plug the power cord back in and switch ON your PC.
Click on the below hyperlink "CMOS Battery" if you don't have any idea about
the CMOS battery
If the problem still exist, click on the below link and follow the instructions in