Access Windows Registry in non bootable OS

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.
Zion PhilPresidentAsked:
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JohnBusiness Consultant (Owner)Commented:
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.
Zion PhilPresidentAuthor Commented:
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.
JohnBusiness Consultant (Owner)Commented:
Here is an article about the Windows Registry with "Where things are" and how to back up  / restore.

Settings are often maintained in two or three places. Trying to use the registry from a damaged machine to restore a user profile is not likely possible.

http://www.outertech.com/en/windows-registry-faq-and-howto-tutorial

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CompProbSolvCommented:
The usual process is to run Regedit, click on HKEY_LOCAL_MACHINE, File, Load Hive, browse to (typical location) <drive letter of old drive>:\Windows\System32\Config\Software, Open, then assign a name.  You should then find all of the Software part of the registry within that new name.

Be sure to click on the new name and then File, Unload Hive when you are done!

As John suggested, this may not be of value but this should let you find out.
JohnBusiness Consultant (Owner)Commented:
Thanks and good luck with any recovery - I hope it goes well.
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