Have you read through the CM 10.2 (including the CM10.2 Q&A thread) and CM11 threads to see if these questions have already been asked and answered by others? That is where I would start.
Please click the "Thanks" button if you found a post helpful!
Phone: HTC One X (AT&T version) Rooted, Bootloader Unlocked, S-Off
Tablet: Samsung Galaxy Note 8 (WiFi only) Rooted