windows unusable

My Hp ProDesk 600 G1 SFF disables all USB ports when trying to upgrade from windows 7 to windows 8, 8.1 and 10. I can run a windows upgrade usb from within windows but as soon as the pc reboots I lose all usb ports. I have tried removing all extra hardware from the pc and tried multiple...

My pc had been acting funny. nvidia control panel wouldn't open because it apparently didn't have permissions to access the files. All of the folders in my pc were set to "read-only" for some reason. I looked online and decided to give the C: drive permissions to my administrator user with full...