How to remove useless drivers in Win 7

  
New environment variable: Variable name: devmgrshownonpresent_devices Variable value: 1
Open computer management interface-->Device management-->Others see below, since my redundant driver
has been deleted by me, so No other drivers are shown here.
You should be able to see that there is another item in the location indicated by the red box. The driver inside is some unknown driver or peripheral driver.
Basics can be deleted, these peripherals are rarely used by people.

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