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 Post subject: HDAT2 resetting of HPA does not persist over power-cycle
PostPosted: May 8th, 2017, 2:07 
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Joined: January 31st, 2016, 0:11
Posts: 9
Location: Seattle
I am one of those who've fallen victim to Dell's preventing cloning of their laptop drives to larger drives (code in their Master Boot Record sets the drives HPA to the laptop's original drive size). The original drive has 73GB of apparent drive space available. When I cloned the drive to a 256GB SSD and booted, the boot failed and I was left with a 73GB SSD with truncated content.

That's when I learned what HPA is. Using HDAT2, I reset the drive size back to its original 256GB and I cleaned up the boot sectors so that it did not reset the HPA again. After power-cycling the drive, I am now left with 118.62GB! That is more than the 73GB that Dell left me with, but no matter what/how I use HDAT2 to restore the size to 256GB, that only lasts until the next power cycle.

Is there another setting that I might need to set to have the drive retain its full, factory setting?

Is there another tool that I can use (besides MHDD--which I haven't gotten to work) which might reset the HPA properly?


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 Post subject: Re: HDAT2 resetting of HPA does not persist over power-cycle
PostPosted: May 8th, 2017, 3:14 
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Joined: September 8th, 2009, 18:21
Posts: 9202
Location: Australia
http://hddguru.com/software/2007.07.20-HDD-Capacity-Restore-Tool

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