On 12/03/2018 21:18, Ferman wrote:
I have a Win XP pro PC and a Win 7 Pro PC.

Sometimes when using my SanDisk Ultra USB3 128G flash drive it says it
is write protected.
I do not do this !

Why and how does this happen ?

I cannot figure out how to un-writeprotect it in the Win XP pro PC.

THERE IS NOT MECHANICAL SWITCH on the flash!

But if I put it in the Win 7 Pro PC and do a quick
TOOLS/ERROR-CHECKING check it will take the write protect off and I
can then again use it in Win XP Pro.

How do I do this in Win XP Pro without have to lug my Win 7 Pro
desktop around with me when I travel ?

I have other flash drives and this never happens on them.


Is that you Fred? Long time no see!!!.

I suggest reformat the Flash drive on your XP machine as NTFS and this
will solve the problem (DON'T USE WIN7 TO FORMAT IT You want XP to
format it so that it is recognised on XP as well as Win7 and above.). I
suspect there is something wrong with the file system because Flash
Drives are very difficult to Write-Protect if at all possible.

Make sure you have copied all your DATA from the Flash Drive before
formatting it. Formats always deletes data; YOU HAVE BEEN WARNED!!!

FAT file system is recognised by all systems but with 128GB it is not
the best way to handle it, let alone being USB3 that XP may or may not
be able to deal with. XP machine must be very old using USB version
1.0 or 1.1

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