I recently got a hp evo d310 and added 128 mb more RAM to go along with the 256 that was already in there, when i turned it on nothing appeared on the monitor and it beeped at me after doing so, i then removed the extra RAM and tryed to start it with only the RAM that it came with, but again the computer gave me one short beep followed by two long beeps, also with this the fans spin up then stop then sping up agian and stay on, and the key board blinks the num-lock light blinks on and off, i have already tried taking out the CMOS battery and clearing the CMOS, as well as adding new RAM just in case the original got fried, but no matter what i try it only beeps at me and nothing goes to the monitor. If anyone could help me out it would be greatly appreciated because i dont know if i fried the CPU, or what is wrong. Thank you