bad bluetooth audio quality over headphones

[Goldtop57]

Hey helpful people!

Hp Probook 470 G4 Laptop, I7 7500, 16GB, Win 10 1903

Problem: bluetooth headphones (JBL Tune 500BT) have bad quality, stuttering, break-offs (spotify). No such problems when operated on my mobile phone.

• Tried: updating BIOS from 7.0.0 to 7.4.0  (recommended update via HP site - result: WDF_violation bluescreen upon connecting bluetooth headphones
•  tried to solve by that HP recommendation rename HpqKbFiltr.sys into ....bak - result: no keyboard or mouse upon startup. Solved by renaming file back in startup options (ESC key upon startup)
• tried: updating intel bluetooth driver to sp101769. No effect.
• tried updating conexant HD audio driver sp99955 - no effect.

I'd be so happy if anyone had a solution for this bluetooth-going-bluescreen problem.

Thank you so much in advance,

Oliver

[Goldtop57]

Tried uninstalling the BT-device from device manager, so Windows would automatically download and install the driver. No effect. Still WDF_violation when I hit the connect button in the bluetooth system window. 

Update: back to original status (bad BT quality) after updating Windows. WDF violation gone, still interrupts.

[Goldtop57]

Update: BT works when I play music via foobar2000, an mp3 software. So the problem must lie with the interaction between the BT driver and spotify! 

Maybe this helps.

[Goldtop57 · Accepted solution]

Turning off hardware acceleration in the spotify menu solved the problem. No idea why this should do the trick, bur for me, it did.