Originally Posted by nikoday
Thanks for the replies.
I followed the steps again to find out where I made mistakes.
1. Download and check Images(4.0.1)
2. Switch to fastboot mode
3. Flash images
However, after several flashes, kindle screen still turned to total black.
Now I am charging with AC power, update later.
When, where, and what 'main" kernel did you flash to match that "main" partition image?