By those you mean nvidia chipset drivers or mb drivers?OK, you have already messed it up and most likely you deleted or removed either part or all of your chipset drivers. Reinstall those then attempt an install of the nvidia driver. If you do not have your chipset driver installed OR it is damaged/corrupted, the nvidia driver will not find the card.
Next it would really help if you posted ALL of your exact system specs; ie exact mb installed, exact cpu, exact pw supply, etc, etc. No one has any idea what we are working on [other than you]
Is your graphics actually a NVIDIA GeForce GTX 660 ?GPU : Geforce 660
RAM : 8gb
CPU: Intel(R) Core(TM) i5-3570k
MB: ASUSTek Computer inc. p8z77-V Pro
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