g1 wont boot need help

[huskypaw]

so the other day i was instaling the danger spl and my phone shut off and stayed on the g1 screen this has happen to me before so i took sd card out and put the dream file on it that brings it back to stock rom then put it back in and held down power and camera and nothing happen... so then i took sim card out and all that fun stuff and tried agin and it just stays on tmobile scrrn. and yes i tried holding power and home for over a min. iv been rooting my phone for about 6 months and im starting to miss my brick of a g1 can anyone help?????

 

[ILoveMyDroid]

try getting a new battery and go into recovery mode somehow and reboot manually