In the new DLC, Dead Money, I played through to the casino and did Christine's mission first after I turned the power on, then I went on to do Dog's mission, "Put the Beast Down." Immediately upon entering the room in which he is in, my collar begins to beep. There isn't any radio that I can turn off/destroy, and the time is less than 10 seconds before my head is blown to kingdom come. I even managed to run to Dog and convince him and God to merge, but I died right after I ended the conversation. No matter what I do, my head explodes, and because the door locks behind me, I'm trapped. I realize that good practice is to save often, but unfortunately my last manuel save was way out in the villa, even before I had unlocked the casino, so that sets me back a few hours.
My second issue, although not related to the DLC, is also very irksome. I played through my campaign siding with the NCR, but on the mission "You'll Know It When It Happens," no matter what I do, I'm stuck. I have protected President Kimball from everything, and even seen his entire speech and him fly off in the Vertibird untouched, and the mission says it is completed and I get experience. However, everyone remains in "panic" mode, and Ranger Grant either grits his teeth at me or says good work (but no dialog box appears). I go inside Hoover Dam and talk to Col. Moore, and she asks me if the president is safe, and my only option is to say "I would like to ask you some questions." to which she responds that I need to go protect the President. So, after going with the NCR the whole game, I can't progress any further in their questline due to this bug. I have reloaded and done other things, but every time I go back and do that mission, same results.
Virtually, that save is unplayable for the NCR questline, so I was forced to end the game siding with Yes Man. I know a patch was released, but I didn't notice any differences, and I was wondering if anything could be done to rectify this at all. Thank you for reading all of this/hopefully responding.
