Philip, also, please do take a look at comment #3 (..disable KMS with "nomodeset"..) and see whether the fix described there works for you. It did help in the case of my Samsung Q45.
Philip, also, please do take a look at comment #3 (..disable KMS with "nomodeset"..) and see whether the fix described there works for you. It did help in the case of my Samsung Q45.