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"I looked through the BIOS for something else and I also have a "Media Card" reader that can be disabled. I thought "Hrm...that media card reader comes up as a drive in windows....maybe it's getting stuck on that." So I turned that off and DBAN ran fine. After it cleared my HD I went back into the BIOS and turned the eSATA back on.
So look in your BIOS for any card readers that might be detected as drives and turn them off if you can. If you CANT turn them off I would try throwing some media in them and maybe they will be detected properly and let you get by this issue."
O DBAN e uma nova instalação são o caminho a seguir, se isso funcionar.