How to uninstall Windows 8 Consumer Preview from dual system

1. Virtual machine test created by Hyper-V platform, divides three partitions in 127GB hard disk (one 100MB partition is created by the system), the size is 50GB, 50GB, 27GB, and Windows 7 system is installed in the first A main partition (the red box below), as shown below:

2, another Windows 8 release preview system (consumer preview can also) select the second master during the installation process Partition (ie, the red box below), as shown below:

3, normal boot, in the boot system selection interface, select "Windows 7" system. As shown below:

4, after entering the system desktop normally, use the “Win+R” hotkey to call up the run dialog box, type “msconfig” then click “OK” button or enter . As shown below:

5, in the pop-up system configuration interface, click the "bootstrap" tab, click on the list "Windows 8 (D: Windows): default OS & rdquo; make it Check the status, then click the “delete” button, and finally click the “OK” button. As shown below:

6, the system will prompt to restart to apply the changes, to ensure that all current work has been saved, click the "Restart (R)" button. As shown below:

7. When the system restarts, it will not prompt any system selection information. Instead, it will directly boot Windows 7 as in the normal single system, and can still use the F8 hotkey to call up during the boot process. Advanced boot menu. But we also need to enter the system to delete some texts and directories of the D drive (the original Windows 8 system disk). After entering the system desktop normally, open the computer or explorer and double-click the D drive. As shown below:

8. In the root directory of the D drive, use the left mouse button with the Ctrl hotkey to select Perflogs, PRogram Files, Program Files (X86), ProgramData (the default is hidden attributes, not deleted) Does not affect, the size is only five or six trillion), Windows, the user has a total of six folders (other folders should not be deleted, to avoid data loss). After selecting it, right click on the folder and select the “Delete(D)” button in the popup menu. As shown below:

9, the system will remind you whether to confirm the deletion of multiple items, after confirming the correct, click the "Y" & rdquo; button. As shown below:

10, the system will automatically remove the relevant items to the recycle bin. If the confirmation data has no effect, you can clear the service station. If the data has an impact, you can restore it according to the actual situation. The deletion process is as shown in the following figure:

11. If the system prompts that the folder access is denied, you can check the operation for all current items (A) & rdquo;, then click “ S) & rdquo; button. As shown below:

12, if you must delete the directory with administrator privileges, you can right click on the directory and select the "Properties" button. As shown in the following figure, the ProgramData folder:

13. In the pop-up properties dialog box, click the “Advanced (V)” button under the "Security" tab. As shown below:

14. In the Advanced Security Settings dialog box that pops up, click the “Edit” (E)…” button under the “Owners” tab. As shown below:

15, click on the owner change list <; Windows7 (Windows7-PCWindows7 & rdquo; (Note: actually need to select the current administrator account, and the Windows7 account in the figure below is the administrator), Then check “ replace the owner of the child container and object (R) & rdquo;, and finally click the "OK" button. As shown below:

16, the system will prompt information, click directly &ldquo ; Yes (Y) & rdquo; button can be. As shown below:

17, continue to click & ldquo; OK & rdquo; button (Note: the processing time after the operation depends on the number of files). As shown below Show:

18, then click on the "Permissions" tab under the "Change Permissions (C) … & rdquo; button. As shown below:

19, in the pop-up Advanced security settings interface, respectively, check "Include permissions (I)" that can be inherited from the object's parent, and "Replace all child object permissions (P)" with permissions that can be inherited from this object, and then click &ldquo ; OK & rdquo; button as shown below:

20 Then, according to the information dialog box prompted by the system, click the “Y” button (note: the processing time after the operation depends on the number of files). As shown below:

21. After changing the permissions Click directly to the “OK” button. As shown below:

22, you can see that the administrator rights have been deleted and modified, click the “OK” button to follow Delete the folder in the normal way. As shown below:

23, other folders can also be operated in this way, the key point is to change the owner, replace the sub-container, change the permissions.

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