Graphics card version
Go to Documents\My Games\Amnesia Rebirth and open the file HPL.log. Go to Initializing Graphics Module section and check if Version. If Version says 4.0.0 or more, your graphics card is supported. If Version says 1.1.0, you have no graphics card drivers installed or they are corrupted.
My graphics card is supported. How can I update my drivers?
Click Start and type dxdiag. Go to Display tab and check the Manufacturer.
--> If it says Nvidia go HERE
--> If it says AMD or ATI go HERE
--> If it says Intel go HERE
Notice 1: If you have a laptop with a dedicated AMD and an integrated Intel HD graphics card, go HERE.
Notice 2: If you have a laptop with a dedicated NVIDIA and an integrated Intel HD graphics card, go HERE.