GDR2 - Can't reboot anymore

1. Don't say "gay." Are you 12?
2. You could always just power cycle the phone manually (turn it off, turn it back on). Perhaps head over to the 928 forum with a few more details and someone may be able to help.
 
The OP looks like another user who hasn't learned to use their phone correctly..... Now that IS gay!!!! LOL...
 
if you are sure its fully charge and even the factory reset you describe is not working, then probably you toast your motherboard.
 
It still works on my 928, although it does seem to take a little longer to trigger now.