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How to remove one of the Windows OS?

removewindows7 dual-windows windows7remove

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Hi there,


Could I please get help in removing one of the Windows 7 OS, from an hard disk?


I have currently Windows 7 OS in one SSD hdd (C drive), which is being used all the time, and One more Windows 7 OS in another hdd (SATA hdd), which is in D drive.


Now when I turn on the PC I get to select either of one. The one in D drive, I had to back-up some files from My documents, which is done. Now this Windows 7 is not required, I would want to remove it and erase this drive, and free up this D drive.


Thanks for the support, appreciate it.

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hit Enter


Then click on the Boot tab

You should see both windows systems there.

Highlight the one you don't want then Delete.



That should make it stop looking for the windows on D. when it boots.


Then you can right click on Computer and select Manage then under Storage select Disk Management.  Find your D: drive in the lower part of the pane and right click on it and Delete Volume.There is probably another volume labeled System Reserve on the same disk that doesn't have a letter.  You can delete that one too.


Now it should have the whole drive as Unallocated.  Right click on it and New Simple Volume, Keep hitting Next until you get to Finish.

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