Connecting my my phone disables my keyboard

I've been using my Sierra hackintosh for a while, so far so good.

One of the things I'm still struggling with is USB. For some reason, whenever I connect my phone, my keyboard stops working.

This doesn't happen if I disable USB tethering and MTP file transfer on the phone (= charge only).

Weirdly enough, the key strokes are still somehow recorded, and "typed" all at once as soon as I unplug the phone.

This doesn't seem to affect other devices. It happens no matter which port (USB2/3, front/back) the keyboard and phone are plugged into.

I've tried a lot of fixes: USBInjectAll, custom SSDTs, and other things, I've lost track at this point. But no change.

Does anybody have a hint about what the problem might be?

I'm using a H97M-E motherboard, and there is an extra USB3 panel on the case.

CPU: i7-4970s

GPU: GTX 970

submitted by /u/_da_da_da
[link] [comments]