The following methods are for your reference:

Your driver may not be installed correctly. There is a label with the service tag number on the bottom of your Dell laptop. Write it down and download it from official website.

You need to log on to Dell's official website to download the driver:

/zh/cnbsd 1/driver home/？ c = cn & amps = bsd & ampcs = cnbsd 1 & amp； l=zh

Baidu driver installation more authoritative experience articles, you can have a look.

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