Sony Xperia J — My sony is brick?

Hello,
Today I restart my phone and now when I turn on only sony logo appears and stops,
I try correct this whit xperia companion and flashtool but when I press Vol- and I plug in the usb,appear in red light, that mop and switches to green and nothing happens, when I remove now usb green light remains.

a few notes:

-FastBoot mode working ,but when I remove now usb blu light remains;
-All the drivers are installed;

Maybe someone knows a solution?

Well, there was eror message "starting screen does not work" I press ok phone restart (ok not restart) nothink more