After formatting all my drives mouse started working poorly. When i got to windows i opened device manager and there was 3 cautions. PCI device, Sm bus controller and sonic studio virtual mixer. Managed to manually download the pci and bus controller but mouse still doesnt feel good. I tried reinstalling windows and again missing those 3. Ive run sfc and done pretty much everything i can think of. I have no idea what i deleted there. Im pretty new with computers, as far as i understand pci and bus are parts of motherboard and motherboard is where every hard ware connects? so U think i deleted something off the mother board or can it be that i deleted something from some other hardware because it connectrs to motherboard? 😀 Im concidering buying a new motherboard if some1 knows if that solves this problem? help 😛