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Rescue & Recovery disks authenticated by BIOS

by on ‎10-12-2010 05:39 PM (3,631 Views)



If one has installed a new hard drive in their ThinkCentre or ThinkPad or somehow managed to delete everything from the original hard drive, the only way I know of to restore the Windows OS and the factory image is to use the Rescue and Recovery CDs or DVDs.


With nothing else to go by, how do the R&R CDs know that the original image, in particular the Windows OS, is being restored to a legitimate system?



The recovery cds' will check for a bios identifier before they start the recovery process.

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What's DOS?

I have lost Windows OS and the factory image so how can i get the copy of that for my system as my system is within warranty period ?