Is the SSD recognized by BIOS on the other NUC (which is not booting)?
Do you see the INTEL logo?
Do you see any warnings?
Did the other NUC passed POST (you will see F2,F7,F10 menu)?
The NUC start with boot perfectly but when try to boot on the M.2 exit with this error:
Intel® Boot Agent CL v0.1.10
PXE-E61: Media test failure. Check cable
PXE-M0F: Exiting Intel Boot Agent
Reboot select proper boot device
Seeing PXE start running is an indication that the BIOS did not find bootable media elsewhere. I have seen this occur when media is UEFI bootable but UEFI is disabled or when media is Legacy bootable but Legacy boot is disabled. So, the question becomes: are you absolutely sure that the BIOS Configuration across these two NUCs is identical?
Hope this helps,
The BIOS is update to the last Release on each NUC
The only difference that i found in the BIOS is that the SSD is recognized in different way even if the NUCs are the same. I will try to explain in a better way.
How BIOS (in Boot Order --> UEFI) recognize SSD in the same NUC7i7 in which I installed OS on it:
UEFI : SATA : PORT 2 : ubuntu : PART 0 : OS Bootloader
This SSD works and Ubuntu 16.04 LTS is launched correctly.
How BIOS (in Boot Order --> UEFI) recognize the same SSD in another NUC7i7:
UEFI : SATA : PORT 2 : TS64GMTS400 : PART 0 : OS Bootloader
This SSD doesn't work and Ubuntu 16.04 LTS is not launched correctly. During the Boot the error showed is the one that I posted before.
It seems that the SSD mounted in another NUC7i7 has a recognization problem and probably this may generate the boot problem.
Anyway thanks for your help.
Although you say that the BIOS settings are the same, in the problematic NUC set the settings to default by pressing F9 followed by "Y". Next, In Boot ->Boot Configuration, disable the Network Boot (in the Boot Devices). Now, press F10, followed by "Y" to save those settings and exit.
Exactly the same!
Reboot and select proper Boot device
or Insert Boot Media in selected Boot device and press a key.
It seem that when you create a boot SSD. it's linked with that NUC and not to any other..