[Q] Lost Root on Stock Rom

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http://forum.xda-developers.com – Hi guys, I recently lost root on my stock rom slot, but I still have a rom that is customized the way I like on one of my hdx 7 devices and it still has root. The stock rom says I have version and yet I can't get root again. Perhaps there are too many files in my system directory? Does anyone have experience with this? Should I just leave well enough alone seeing as how I'm now down to only one kindle device in my house that actually works worth a damn. (HowTos)