Cant change permissions of backup disc

how can i remove all the permissions of my backup disc without deleting the data on the disc ???
so that i can restore to an older time-machine backup.
i tried several solutions , but non of them worked. near the icon of the external disc there is a closed lock . also if i trey to change permissions via info , they wont change .
Can anyone please help me out of this horrible problem .
greatings john.

john merlin wrote:
the thing is that i lost everything on my internal disc. and wen i tried to restore from a backup i had no longer privileges on that disc.
so yesterday i went to the apple store and they are going to crash backup my external disc and then putting everything that was readable back to the original drive.
Just for future reference, if they were Time Machine backups, all you needed to do was start up from your Install disc and use the +Restore System From Backup+ option. Unfortunately, Apple doesn't exactly make that obvious.
See #14 in [Time Machine - Frequently Asked Questions|http://web.me.com/pondini/Time_Machine/FAQ.html] (or use the link in *User Tips* at the top of the +Time Machine+ forum).
Message was edited by: Pondini

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Message was edited by: Thor Stevens

Thor Stevens wrote:
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Message was edited by: Thor Stevens

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EE

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Cant change permissions of backup disc

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