Default [Q] P6 Soft Brick.Adb device not found.

Hi,I try to unistall xposed installer and my phone stuck.My phone has 4.4.2 Kit Kat B510.
Next i put TWRP abd i try via sideload ADB to push a Rom because i don t have a Rom in sd card.
I install drivers for P6 but in cmd when i key in "adb sideload" i have error "device not found".
Please help me!