But I see that there is only one video card driver shown in the device manager. Where is the video card driver for BOOTCAMP? And if you turn off BOOTCAMP, the computer will

You download and install a BOOTCAMP graphics card driver, if you have installed this card, the system will prompt your driver location, so you have solved two problems, one is not above the driver can be installed directly, and the second is that if you have a driver will be batch to the location of your driver! Two birds with one stone