Boot into bootloader by

Holding volumedown+power

when you see 3 lines of code hit volume down

then hit volume down to select usb when that is hightlighted hit volume up all in 5 seconds!

 

Download:
http://downloadandroidrom.com/file/TransformerPrime/recovery/TransformerPrime…

OPen up a command prompt in the folder you just unziped then just run the following command!
Command:
fastboot -i 0x0b05 flash recovery recovery-clockwork-5.8.2.0-tf201.img