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I am trying to image an entire disk but the last partition (the windows recovery partition) failed. How can I tell if this is a disk error or some sort of copy protection mechanism?

I'm using an asus laptop if that's any help.

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As gronostaj stated already, there is no "copy protection mechanism". The only issue that could be is the use of a "host protected area". So far I have not heard about a HPA for recovery purposes.

Run smartmontools or Crystaldiskinfo and look at the raw number for the attribute "pending sectors".

If this is greater than zero you have a quick indication on read errors on your disk. For detailed information where your read error(s) is/are located run ddrescue under Linux und use the mapfile attribute. The mapfile will indicate the error location.

r2d3
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