media issues

  1. lencuff

    Windows 7 cdrom code 5

    Trying to install W7 on a PC running Vista. When I try to boot from the DVD I get the message CDROM cannot boot Code 5. Thinking the media must be bad I tried it on another PC and it boots fine. I tried a Vista DVD in the original (failing) PC and it boots fine? Any ideas please? Should have...
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