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To what end? &nbsp;Changes to the registry occur every second. You don't know why it won't boot, but we do not either. Exporting the keys to another computer probably won't help much. <br />
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Boot with a bootable CD (Ultimate Boot CD) and run the vendor's disk test. Determine if you have a hard drive problem or not. <br />
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If recoverable, you can get files and documents, then reinstall Windows and recover. The results will be better this way.
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To what end?  Changes to the registry occur every second. You don't know why it won't boot, but we do not either. Exporting the keys to another computer probably won't help much.

Boot with a bootable CD (Ultimate Boot CD) and run the vendor's disk test. Determine if you have a hard drive problem or not.

If recoverable, you can get files and documents, then reinstall Windows and recover. The results will be better this way.

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There are certain programs that have settings that can only be saved from the registry and not the program itself. Those registry setting can than be imported into another computer running the same software and all of your complicated settings and configurations are there.
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There are certain programs that have settings that can only be saved from the registry and not the program itself. Those registry setting can than be imported into another computer running the same software and all of your complicated settings and configurations are there.

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Thanks and good luck with any recovery - I hope it goes well.
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Thanks and good luck with any recovery - I hope it goes well.

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Is there a way to access the registry just from the data of OS on an HD that does not boot. The non booting HD is placed in another computer that can access the files. How can the registry be updated or keys be exported from that non booting OS drive. Windows 7 64bit OS.
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Is there a way to access the registry just from the data of OS on an HD that does not boot. The non booting HD is placed in another computer that can access the files. How can the registry be updated or keys be exported from that non booting OS drive. Windows 7 64bit OS.

Access Windows Registry in non bootable OS

This topic area includes legacy versions of Windows prior to Windows 2000: Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions including Windows Mobile.