Yesterday my graphics card broke. Probably. I can't be sure that it actually is broken, but it just stopped outputting video with no warning and many attempts to resolve it (including reinstalling Windows, which caused some issues like CKAN forgetting all my KSP instances; fortunately they're all stored on an external disk so they're all safe) didn't fix anything. It's still under warranty so I've sent it back for repair or replacing, but in the meantime I'm stuck with no GPU and so very limited