|Try just one stick of Ram at a time.|
Try removing the video card if you have one & use the onboard video.
Award BIOS Beep Codes:
1long, 2 short Video adapter error Either video adapter is bad or is not seated properly. Also, check to ensure the monitor cable is connected properly.
Repeating (endless loop) Memory error Check for improperly seated or missing memory.
Repeating High/Low CPU Either the CPU is not seated properly or the CPU is damaged. May also be due to excess heat. Check the CPU fan or BIOS settings for proper fan speed.