twrp recovery not responding

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http://forum.xda-developers.com – Hi all, I just got my HTC one today and love this phone. I unlocked the bootloader and installed twrp touch The problem Im having with twrp is when it says to slide to unlock it will slide once and unlock but if i try anything else it just locks and wont slide again. Unless i hit the back button but will do the same again and again. Tried rebooting and anything i can think of. What i would like to do is actually install 4ext as my recovery but im not sure of how to do this now since my recovery isnt work right. Can i do it from fastboot and just install over twrp or do i need to wipe (HowTos)