1-3-2 beeps refer to a memory error:

http://www.dell.com/support/article/us/en/04/sln284978/a-reference-guide-to-the-dell-optiplex-diagnostic-indicators?lang=en#Beep_codes

Please follow the link to troubleshooting memory modules and slots and let us know how you get on.

I tried everything then I realized I was snapping the ram in myself with the clicks so I just pushed it tighter till it snapped in itself