Respected HP Hello
My PC is HP ELITEDESK 800 G 1tower pc I want to ask windows 8.1 pro x64 is fully tested or not or I can't run windows 8.1 with full compatability because I've updated via store 'but it creat video bios problem and it cannibalized my dedicated graphic memory 64 mb.then I reinstalled windows 8 pro by supplied DVD. but my video dedicated memory is 0. even I've updated bios L01.2.18. nothing happened. cleared the CMOS nothing happened. my pc graphic is working slow it has only shared memory left