Unable to boot into TWRP Recovery

My OP2 is rooted and i am facing few issues now. I am not able to connect my phone to any PC and not even to access my phone on PC. Now my TWRP recovery is also not working, i am not able to reboot into TWRP neither by advanced reboot nor by holding the volume down and power button, just the oneplus logo flashes and then i get a black screen or phone gets switched off, but i can normally boot into Oxygen OS vs 2.2.0.

I am not able to connect my phone with pc so cannot flash New recovery neither i can flash other ROM using TWRP..

Please help :rolleyes:

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