Default Bricked my lg d802 i think please help

i think ive bricked it!

i cant boot at all

LG G2D802
was running CM11 snapshot, i flashed a kernal and when twrp said....reboot nothing

no LEDS on, the screen seems to have some light but nothing, ive tried booting to recovery via power button and volume but it wont

wen i plug it in windows shows multiple external drives that need formatting!?

please help!