Okay so I have a desktop basic gamer rig that had windows 7 ultimate amd 4130 black processer Msi motherboard two 250 gb hard drives set up in raid and blu Ray and DVDs drives with Msi 7770 graphics card and then I upgraded to windows ten 3 days ago and went to update my resume when I got home and my putter telling me no operating system! Please help I have limited income and need help