Okay so I rooted my Samsung Galaxy Express about a week ago using Cyanogenmod, and everything was working fine up until tonight. As I was in a middle of a text, m phone began to go black and when I would try to turn it back on again the buttons would light up but the phone wouldnt come back on. Since my battery was almost about to die anyways, I figured this was the problem and let it charge, which it did. However, when I went back to turn it on, it wouldnt boot up all the way. It would only go as far to show the words Samsung. Sometimes it will show the CyanogenMod symbol but it will only stay up for a few short seconds and then turn off. I tried rebooting it from recovery mode but as soon as I get it there, it turns off and tries to turn on itself and fails. Does anybody know whats going on with my phone and how to fix it?