Question BT adapter not working

gamepassion

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Sep 5, 2011
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Hi,

I have a bluetooth adapter on my win 10 desktop that worked flawlessly until a couple of days. I connected my mini keyboard or my ps4 dualshock4 controller and everything worked charms. But a couple of days ago suddenly it didn't see my devices. I reset my ds4 and tried to pair it again, but it simply doesn't see it.

Controller and mini keyboard connect just fine on my laptop. Also, controller connect just fine with usb cable. So, I would say devices are not the problem.

Also, I used mini keyboard BT adapter as I thought BT adapter could be broken. But the new adapter behave exactly the same.

I tried all tricks and settings I could found in internet for solving this: I uninstalled the drivers, I removed the BT adapter, I insert it into another usb, I stoped and restarted BT service and so on. For no positive effect. In devices and printer window, the BT adapter has a bluetooth headset description and icon. My understanding is that win 10 see the adapter as a headset so it comes normal it doesn`t act it like a receiver/transmiter.

What can I do, as I would not reinstall win 10 except as a very last resort.

Thank you!
 
Last edited by a moderator:

Colif

Titan
Moderator
do you use a program called Scarlet Crush to connect DS4 to PC? just curious as it might not be the BT adapter if only thing not connecting is the DS4, you didn't say if Keyboard also didn't work?

Did you get any windows updates around time it stopped working? Is laptop on same version of Windows - down to patches?

what make/model is adapter?
 

gamepassion

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Sep 5, 2011
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Neither ds4 nor keyboard are seen by the bt adapter.

Desktop has win 10 1809. Laptop has 1803.

I use ds4windows to play the ds4 S xbox controller but it has nothing to do with it. I always start ds4windows after ds4 is connected as wireless controller.

Yes, I could say some days ago when I shut down pc it updated.

Adapter is a no name one, a full 5 stars on reviews on the online store I bought from. The other adapter came with mini keyboard Rii. Neither one works. On both it is written CSR 4.0. And on both, when connected, windows describes as koga manufacturer, dongle model, bluetooth headset category. This was not the gase before these issues, though I could not say what description windows had for it before.
 

Colif

Titan
Moderator
this was only updated a week ago - https://support.microsoft.com/en-au/help/14169/windows-10-fix-bluetooth-problems

it seems the headset description is common for DS4 USB dongles -
windows 10 detected it as wireless headset in the bluetooth settings of devices)
link

so that might not be a clue. It depends what the laptop shows them as.

open settings/update & security/windows update
view windows update history
can you tell me KB numbers of most recent Cumulative Update (or just give me the links to webpages)
 
Jul 20, 2019
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have you managed to make it work? because my dongle is exactly as you said, windows recognizes it as a 'headset', koga manufacturer, not even a clue.
 

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