Replaced PSU, beeping once, no video
So I previously posted about my iMac not booting up, thanks to some help I replaced the power supply and I have power and 3 LEDs. But now I'm trying to turn the thing on and get the fan noise and all that but the screen stays black and it continues to beep once every 4 seconds or so. I read that it's possibly a RAM issue, any suggestions or recommendations?
Is this a good question?