If you have helpful comments to solve this problem please post it there: If neither of these options work, you can download it from my GitHub mirror here HOWEVER you really shouldn’t trust mirrors for this kind of thing, always download drivers from trusted websites, not mirror downloads put up by some random guy on the internet like me. This post is getting a lot of traffic so I’m going to move it to medium to increase its SEO and hopefully help more people.the system is slow at startup and no update the driver automatically and not even from windows update. Unknown device on bluetooth broadcom 43142 version 4.0. The driver should download and you should see Bluetooth in your device manager. Product: HP Envy 17 K205nl Operating System: Microsoft Windows 10 (64-bit) Please send me the solution after the update windows 10 1803.Select “browse my computer for drivers” and select the folder with the extracted cabinet file. Open your device manager, right click on “Bcm20702a0” and select update driver.If you don’t see an extract button just enter the cabinet file with windows explorer by double clicking then drag/drop the files out of the window to a new folder.

Extract the cabinet file you just downloaded.If that’s the case then repeat these steps in another browser, I used Edge. If it’s not downloading it’s probably because Chrome recognizes the file as potentially malicious. Click the download button (I just used the top most recent result) and click on the download link from the pop up.Search “Broadcom Corporation driver update for Micro size USB to Bluetooth Dongle”.The direct download link likely won’t work on Chrome, it also may just 404 over time.* Or attempt to use this direct download link and skip to step 4. So you needed a quick Bluetooth adapter, went to BestBuy, and picked up an insignia adapter model NS-PCY5BMA? But now it’s not working despite its advertisement as “plug and play”? And the manual is no help at all? Then you went looking for a driver but the Insignia website has nothing? Then you find out that it uses Broadcom hardware and their website says all their drivers are part of windows updates but obviously it isn’t installed by default? Well you’re lucky you’ve found this obscure blog on the internet.

Broadcom bluetooth 4.0 driver