It happen to me something similar to nasser. I installed jailbreak on kindle paperwhite 5.3.5. after that I restart the kindle and it show the start screen the kid under the three with the rolling indicator below and never turn on. I think that the rescue pack should be installed the jailbreak did install well. When I connect to the PC recognizes the device as a simple usb device, but no access to files.
What can I do?
Thank you for your help, and sorry form my english