I have a Corsair Strafe MK2. These keys have always worked together but recently they stopped working. I noticed this in Minecraft. If I hold the "a" key and then press control, the "a" key gets stuck. I tried updating my keyboard drivers as well as uninstalling them. There should not be ghosting as they worked together before and this is a nice keyboard. Also, I use this keyboard plugged into a laptop and these keys do not work together on my laptop either. I have an Acer Predator 17. I am running Windows 10.