So I've had my PC built and running fine for some time now when all of the sudden it freezes. I do a hard reset and now Windows 7 won't boot nor does the bios recognise the SSD at all. I've tried just about everything I can think of and find. Tested all the sata ports on my storage HDD and it recognizes them. I reset the cmos. occasionally when I restart the pc the bios will see the ssd and try to boot Windows but then get stuck at the loading screen. After which it isn't recognized again. When I try to boot in safe mode on the rare times it does see the ssd, the loading gets stuck on avgdisha.sys and then goes to bsod. Can avg really be what's stopping the sad from being seen in the bios? Or is it a defective ssd? I haven't been able to try doing a Windows repair/recovery since I don't have another machine nearby and I'm writing this via my phone. As far as my system goes I am using a MSI 970 gaming motherboard, AMD Radeon SSD for my OS and a WD hdd for storage.