Nasty Bluetooth problems

shura

Well-known member
Joined
Feb 2, 2014
Posts
100
I have one of those noname boxes, which has been working fine. Sadly, it ran out of its puny MMC storage, so I decided to install a fresh copy of Win10 (downloaded on the same day from MS, not the manufacturer's OEM) on a newly installed 2.5" SATA SSD. Everything went reasonably well, but right after the installation there was a bunch of driverless devices in the device manager, so I installed the chipset drivers and the DPTF from the manufacturer (driver package here), which I believe installed all the devices. I also installed Intel's driver assistant, which installed the latest wifi, BT, and graphics drivers - the same way I always updated those drivers for as long as I had this computer.

And so now we have a problem. Pairing any BT headphones is either impossible or the sound is severely garbled/choppy usually followed by a complete disconnect -- unless the headset is right next to the device. When looking for devices, this computer sees pretty much nothing, while my other computers see a whole bunch of devices. For a second I thought that the added SSD was blocking the antenna, so I disabled the built-in adapter and tried a USB BT dongle that absolutely works -- the same behavior as with the one built-in. There is nothing connected to this machine that wasn't connected before I reinstalled Win10.

The power plan is "max performance," no power-related settings in the BT radio device properties. I tried the BT troubleshooter: it finds "Check Bluetooth radio status" and says it's been fixed, but nothing really changes.

Any help will be hugely appreciated.
 
The situation improves somewhat (still nowhere near usable BT sound) if I remove the "unified logitech receiver" dongle that came with the k400+ keyboard. Never caused any trouble before.
 

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