Resolved, see here: https://devtalk.nvidia.com/default/topic/1067986/linux/nvidia-driver-340-017-gives-black-screen-after-login-on-ubuntu-19-10/post/5409430/#5409430
Resolved, see here: https:/ /devtalk. nvidia. com/default/ topic/1067986/ linux/nvidia- driver- 340-017- gives-black- screen- after-login- on-ubuntu- 19-10/post/ 5409430/ #5409430