It can be cleared because the driver has been installed on the machine, including the system cache. There are several ways to clear the cache: Generally, NVIDIA will automatically decompress to the path of c: \ NVIDIA \ displaydriver when installing.
Users can use computer housekeeper, 360 security guards and other cleaning and optimization software to close 3DVision system services and improve system operation efficiency. As for deleting the Nvidia control panel, it will definitely have an adverse effect on some function settings of the graphics card. Users can solve this problem by reinstalling the graphics card driver.
Mine also shows 7G. My newly installed system was this size when the driver was not changed. This should be the actual size, because in addition to the driver, nvidiadrivers also has nvidia control panel and other related software.