Sorry to bang on but what about a clean install of the W7 SP1 DVD? Only thing I may not have got right is the partitioning. I frankly don't understand what it is about. I have one small partition (and cannot be deleted) which is always there of only 15MB or so and then the rest is in another partition of 900+GB which is the one I have always selected to use in the many past failed attempts.
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