my lg optimus v is not booting up. I rooted it. Then i tried installing a custom rom (android 2.3) and i picked install from sd. Then i clicked all the options (back,cear cache,clear dalvick cache) and let it run. It then went to a black screen lit up a litte bit. the buttons are lit up too. but i let it sit and it didnt do anything so i took out the battey and restarted it and this is what it does. 1.Says lg 2. Says virgin mobile 3. Turns off and back on automaticly4.Says lg again 5. then stays in a black screen. Please help!