How to uninstall the Remove Windows 8 system from a dual system

The Windows 8 operating system, like previous practices, cannot be invoked directly after installation and is not allowed to roll back to the older version of the system when the lower version of the operating system is upgraded to the new edition. This article demonstrates how to uninstall the Remove Windows 8 system by installing the environment under Windows 8 conditions for the C disk installation Windows 7,d disk. The key point is to remove the boot menu, please see the following procedure.

Operation Steps:

1, the virtual machine test created with Hyper-V platform, divided into three partitions in 127GB hard disk (one 100MB partition is created by the system), the size is 50GB, 50GB, 27GB, where the Windows 7 system is installed in the first primary partition (that is, the following figure red box), As shown in the following illustration:

2, another version of Windows 8 Release preview system (consumer preview can also) during the installation process to select the second primary partition (that is, the red box below), as shown in the following figure:

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

4, normal access to the system desktop, the use of "win+r" hotkey to call the Run dialog box, type "msconfig" and then click "OK" button or enter. As shown in the following illustration:

5, in the pop-up system configuration interface, click the "Boot" tab, in the list click "Windows 8 (d:windows): Default OS" Make it selected, and then click the "Delete" button, and finally click the "OK" button. As shown in the following illustration:

6, the system will be prompted to restart to apply the changes to ensure that all current work content has been saved after the click on the "reboot (R)" button. As shown in the following illustration:

7. When the system restarts, will not prompt any system to select the information, but in accordance with normal single system as direct boot Windows 7, and the boot process can still use the F8 hotkey to pull up the advanced boot menu. But we also need to go into the system and delete some of the text and directories in D disk (the original Windows 8 system). When you are on the system desktop, open the computer or Resource Manager and double-click D. As shown in the following illustration:

8, in the D-packing directory, using the left mouse button with the Ctrl key to select Perflogs, program files, program Files (X86), Programdata (the default is hidden properties, do not delete also does not affect the size of only about five or six trillion), Windows, users a total of six folders (other than any folders do not delete, to avoid data loss). Click the right mouse button on the folder and select Delete (D) in the pop-up menu. As shown in the following illustration:

9, the system will be reminded whether to confirm the deletion of multiple items, confirm the correct click on the "Yes (Y)" button. As shown in the following illustration:

10, the system will automatically remove related items to the Recycle Bin. Subsequent confirmation of the data does not affect the service station can be emptied. If the data has an impact, can be recovered according to the actual situation. The removal process is shown in the following illustration:

11, if the system prompts folder access is denied, you can select "Perform this action for all current items (A)" and then click the "Skip (S)" button. As shown in the following illustration:

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

13. In the Pop-up Properties dialog box, click on the "Advanced (V)" button under the "Security" tab. As shown in the following illustration:

14. In the Advanced Security Settings dialog box, click the "edit (E) ..." button under the "Owner" tab. As shown in the following illustration:

15. In the owner's change list, click on "Windows7" (note: The actual need to select the current administrator account, and the following image of the Windows7 account is the administrator), and then check the "Replace the child container and object owner (R)", and finally click " OK button. As shown in the following illustration:

16, the system will prompt information, directly click "Yes (Y)" button can be. As shown in the following illustration:

17, continue to click "OK" button (note: The processing time after operation depending on the number of documents). As shown in the following illustration:

18, and then click the "Permissions" tab under the "Change the permissions (C) ..." button. As shown in the following illustration:

19. In the Advanced Security Settings screen that pops up, check the "Include permissions that can be inherited from this object (I)" and "Replace all child object permissions (P) with permissions that can be inherited from this object, and then click OK." As shown in the following illustration:

20, then according to the system prompts the Information dialog box, click the "Yes (Y)" button (note: The processing time after the operation depends on the number of documents). As shown in the following illustration:

21, change the permissions, directly click the "OK" button. As shown in the following illustration:

22, at this time you can see that the administrator has the right to delete and modify the function, click the "OK" button, you can delete the folder in the normal way. As shown in the following illustration:

23, other folders can also operate in this way, the key point is to change the owner, replace the child container, change permissions.

Note:

When Windows 7 and Windows 8 dual system conditions, the system initiates the boot selection interface, will be managed by the Windows 8 version of the boot manager.

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