Default [HELP] Stuck In TWRP Can't ADB Sideload

hey guys im having problem my G2 stuck in TWRP Recovery i cant go to download mode or even cant go to system and i cant push rom via adb sideload, i think there's a problem with the partition or something any one can help me?

PARANOIDANDROID 4.2 G2 Beta 3 04/06
Furnace Kernel AOSP 2.0
TWRP 2.7.0.0

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