Same issue experienced here, same workarounds, same solution (remove nvidia-304). Running Elementary OS on an early 2009 MacBook Pro, dual graphics (NVIDIA GeForce 9600M GT, and NVIDIA GeForce 9400M).
Distributor ID: elementary Description: elementary OS 0.4.1 Loki Release: 0.4.1 Codename: loki
Same issue experienced here, same workarounds, same solution (remove nvidia-304). Running Elementary OS on an early 2009 MacBook Pro, dual graphics (NVIDIA GeForce 9600M GT, and NVIDIA GeForce 9400M).
Distributor ID: elementary
Description: elementary OS 0.4.1 Loki
Release: 0.4.1
Codename: loki