Caveat emptor: adopt/follow this guide at your own risk.
Below is a procedure that can be used to install amaces' LN14.1 (ref: https://forum.xda-developers.com/nook-hd/development/marshmallow-nook-hd-hd-t3239269) internally on a Nook HD+ :
I've been running CM10.1 build by XDA Developer Succulent version 06/29 on SD card since its release a weekago, and its reliable/stable performance has crossed the threshold for me to finally take the plunge and install it internally on ...
FWIW, below is a digest of the process which I have used to build a CM11 SD card from scratch so as to have my own customized sizing for the 3 boot/system/data partitions.
Use a disk partition tool (such as MiniTool Partition Wizard Home...
The following is the process using SD-based recovery to install CM11 internally (i.e., on emmc) on a Nook Tablet running stock ROM. . This same process can also be used to install CM12.x -- see http://forum.xda-developers.com/showpost.php?...