Touch Screen Went Blank

I recently upgraded my Ender-3 Pro w/auto leveler to a 4.2.7 silent motherboard and touch screen display. Everything seemed to work great. Then I made a big mistake. I put the wrong micro sd card in the printer and turned it on. I think I had a .BIN file on it that I thought I had deleted. Now my touch screen comes up with only blank screen and backlighting. I think it needs to somehow be re-flashed. The Creality web site has all kinds of flash files I don't have a clue which one to use. Am I screwed or what?