Default [Q] HELP PLEASE!!! stuck on endless boot screen & I cant access recovery

Just as the title says help please before leaving to work I flashed a kitkat rom to my phone (the htc one) usually when i flash roms everything goes well but this time it went bad and now i cant access recovery my phone is at an endless bootscreen and when i try connecting it to my pc my computer doesnt recognize it just a message saying error trying to read usb device
im running Windows 8.1
original usb cable that came with the phone