@pwns2009
Can only suggest that you go back to a barebones PC i.e. motherboard (CPU and ram), PSU, monitor and keyboard.
No mouse, no HDD, no DVD, no USBs etc and then check.
If still no BIOS display then the power refresh hasn't worked and it's not passing POST
Try connecting a [https://www.ebay.com.au/itm/194953298902?chn=ps&_ul=AU&_trkparms=ispr%3D1&amdata=enc%3A1LhhPBtgsSYiW_vL24rUg_g39&norover=1&mkevt=1&mkrid=705-139619-5960-0&mkcid=2&mkscid=101&itemid=194953298902&targetid=2367800370202&device=c&mktype=pla&googleloc=9070575&poi=&campaignid=21776442415&mkgroupid=173963205248&rlsatarget=pla-2367800370202&abcId=10047386&merchantid=119108720&gad_source=1&gclid=EAIaIQobChMIs9K2hPK4iwMVpcA8Ah1Vkw-HEAQYASABEgIYBfD_BwE|system speaker] to the header pins (see p.1-26 (36 of 68 pdf) of the [https://dlcdnet.asus.com/pub/ASUS/mb/LGA1155/P8H61-M_LX3_PLUS_R2.0/E7378_P8H61-M_LX3_R2_Series.pdf|user manual]) and check for any [https://www.asus.com/support/faq/1029959/|beep error codes] on startup.