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BTW, What I posted about a shim is not the same as Google's Recovery
Utility.  A shim is used by the factory and re-creates the lower-level
settings, including even setting the serial number.  If the CTLs are
already not working, it's worth a try!

On Wed, Oct 4, 2017 at 11:29 AM, Drew Blanchard <[log in to unmask]>
wrote:

> Recovery sticks were created via Google’s own ChromeBook Recovery Utility
> - per CTL (and Google’s) directions.  This is the only way we’ve ever been
> able to create recovery media.  Tried “tricking” the affected ChromeBook by
> using recovery media for a different models ( e.g. CTL NL61, or an HP
> model) but the device immediately rejects the boot stick - and said Chrome
> OS was not on it.
>
> Since swapping the hard drive did not change anything, it seems like the
> problem might lie with the mother board.  Again, though, the growing
> frequency of this problem is …. curious.
>
>
>
> On Wed, Oct 4, 2017 at 11:06 AM, Raymond Ballou <[log in to unmask]> wrote:
>
>> Drew
>>
>> You didn't say, but I am guessing you have tried creating recovery media
>> from more than one donor N6.
>>
>> and also tried from a machine that is not a CB?
>>
>> In general, chromebook ninjas have also helped me out before (until they
>> find out a device is managed) but not with something like this.
>>
>> Is Google any help or are they telling you to seek out CTL?
>>
>>
>> R
>>
>> We’ve tried many different recovery sticks (even tried different
>>> manufacturers and sizes)  but the recovery process simply freezes.  Every
>>> time.  Leaving them to “restore” over night does not help. We’ve spent
>>> waaay too much researching and problem solving and have not made any
>>> headway.
>>>
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>
>
> --
> Drew Blanchard
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