It is effective for fixing:
(optional but recommended):
However, it is not perfect. Sometimes the "Roll Back Driver" button is greyed out. This usually happens if Windows Update recently overwrote the driver or if the installation history has been cleaned. This inconsistency costs the process a star in my rating. nvidia how to roll back driver
Always keep one known-stable driver installer on your drive. Rolling back is straightforward, but NVIDIA makes it harder than necessary by removing old drivers from their main download page. It is effective for fixing: (optional but recommended):
When you perform a rollback via Device Manager, Windows essentially uses a backup of the previous driver files stored in the system (usually in the Driver Store). In my testing, this works about 90% of the time. nvidia how to roll back driver