W520 UEFI boot order changes not persistent

I have had a W520 for the entire summer. I have always double or triple booted my laptops because of the nature of my work, but this is the first system I have ever owned with UEFI.
The problem: the W520 BIOS/Firmware/UEFI or whatever you want to call it does not keep the GPT boot order of the OS's that I attempt to save. When I reboot and go back to the BIOS after saving it, it is in the same order that I started, which is in fact, the order that I installed the operating systems that, starting with the last one that I installed, first. I called up Lenovo tech support and very quickly they conveyed to me that Lenovo only supports single boot of the operating system that came bundled with the installation.
I thought a later BIOS would help. No such luck.
As much as I have read about UEFI, I know that the boot order is stored in the UEFI NVRAM. There are some third-party utils that can edit the NVRAM configuration, but I was not able to find a cookbook guide clear enough wear I was OK messing with the health of my well populated analysis workstation. If anyone has any experience with a step-by-step solution, I would be interested in hearing, and even paying, for your expertise as needed.
Thanks in advance
W520 CTO BIOS rev 1.37. Core i7-2760QM, 32GB PC3-10600, NVidia Quadro 1000M, Samsung 830 512GB, SanDisk pSSD-S2 32GB, x64 tri-boot: Win2k8R2, Fedora 17, Ubuntu 12.04

Hi,
It doesn't change the boot order, it create a new item "boot from file".
Are you using a virtual machine or physical machine?
If you are using a virtual machine, you can change the boot order from hyper-v settings.
If you are using a physical machine, you need to change the boot order manually.
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Hi and welcome to lenovo forum...
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W520 UEFI boot order changes not persistent

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