Text question for PS7...

I had to shut down my computer yesterday because it was being difficult, and before I did, my Photoshop was working beautifully. I opened it back up again last night, and now my text looks funny on whatever I do. I've checked that the resolution is set to 72...


This was Kyanna at 12 pt. yesterday:


This is Kyanna at 12 pt. today:

See how it's all rough around the edges and way smaller? Can someone help me with this? Thanks!