Hi MacRumours, Hope you're all keeping well. The optical drive in my friend's 2011 17" MacBook Pro failed (unsurprisingly), and we're trying to get BootCamp sorted. When attempting to mount the Windows ISO through Disk Utility to an external HDD, it kicked up loads of error -254 problems and the like, and also kicked up the same error on my MacBook. Disk Utility just doesn't seem to work like it used to. So I figured might as well use the Apple USB ODD to install, right? How wrong I was. When plugging it in, it surprisingly says that it's not supported on this Mac. I'll take you through what I've done so far. 1) Deleted existing optical drive through some kext or something, restarted computer. 2) Ran the sudo nvram boot-args="mbasd=1" command through Terminal, restarted, still no luck. 3) Also added "mbasd=1" to the Kernel Flags in com.apple.Boot.plist. Saved the changes, restarted, still no luck. Brought up the editor to that plist file and the changes had definitely saved. Not only that, but now when I shut down or restart the Mac, it comes up with a black screen and a cursor. Won't go beyond that and have to force shutdown. It's a recent reimage after fitting an SSD. I've definitely messed up something really badly and I'm getting really frustrated with this. I wish Apple made it easier , sick of the useless software limitations they apply. Is there anything additional you can suggest to make the SuperDrive work? And possibly any suggestions RE: black screen on shutdown? Thanks for any advice you can offer!