Solve : CPU is working but the monitor isn't, what to do??

1.	Solve : CPU is working but the monitor isn't, what to do??
Answer» Hi, I BOUGHT the new 1GB RAM for my computer other day and after PUTTING the new RAM to the emply slot, i tried to CLEAN the CPU fan. Since, i have done that my monitor is showing "no signal" message. The CPU fan is working however, the LIGHTS at the back of the box are constant and not flashing. I have checked previous post to find solution to my problem and as suggested by someone i have also took the GRAPHICS card out and put it again to resolve the problem. Any suggestions on what should i do to get this problem solved?take the new RAM out and try it with just the old RAM.

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