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I split my 1TB HD from C drive and called it A. I put some files there to back up. I have now come to a point where I need to run a system restore with the discs that came with my computer. If I do a system restore and wipe C drive clean, will I lose the part of the hard drive that I split or will it remain intact and my files uncorrupted? This is a partition I created with windows myself, and dragged files over to it. Thanks!

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Just to clarify: Do you means a system restore from a backup you made, or from some OEM build in restore partition. In the OEM case: make backups on another drive and disconnect it. In the windows case: See Jared's answer. – Hennes Nov 19 '12 at 8:49
up vote 2 down vote accepted

System restore only affects Windows OS system files and settings, and should not affect custom data on the A: Drive.

However any programs installed on that drive will likely be affected.

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