Strange behavior of flash drive

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Hi people:

A few days ago, I put a Linux boot image on a USB stick (Lexar Jumpdrive
  Secure 128MB).

After using it, i've reformatted it, and Windows started to recognize it
as a Local disk (i.e. Fixed / hard drive) instead of Removable.

What happened? How do I make it a Removable drive again?

Hint: It doesn´t work marking it as removable in hardware properties
tab, it still gets recognized as a fixed drive in other computers.

Thanks in advance.

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