Bluetooth dell computer suddenly disappeared, we do not have that option Bluetooth switch. Yesterday, I ran into this situation, I get a lot of what vibrato ah, know almost, Baidu is not so.
Open the Device Explorer, know almost unknown usb let you see that, let you disable and then enable (or directly uninstall and then install), then your problem is still not resolved. In fact, when I asked the customer service when people say look at that thing, and read the following network adapter
Then today I give customer service a call, he gave me a link to download a driver, share the link below.
https://www.dell.com/support/home/cn/zh/cnbsd1/drivers/driversdetails?driverid=4747j&oscode=wt64a&productcode=g-series-15-3590-laptop
So I suggest or ask customer service (contact qq I put to below a) to look at the driver, he will give you a link to download Bluetooth.
Different models need to drive, you can ask customer service to it.
I share his official qq
It will be able to solve your problem