How do I clear the multiple monitor configuration of a computer that is running Windows Vista?
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Applies to: Windows Vista UltimateWindows Vista EnterpriseWindows Vista BusinessWindows Vista Home BasicWindows Vista Ultimate 64-bit EditionWindows Vista Enterprise 64-bit EditionWindows Vista Business 64-bit EditionWindows Vista Home Premium 64-bit EditionWindows Vista Home Basic 64-bit EditionWindows Vista Home PremiumMore
Your computer is set up to use multiple monitors, and you want to change it to use a single monitor. This article helps you do this.
To fix this problem automatically, click the Fix this problem link. Then click Run in the File Download dialog box, and follow the steps in this wizard.
Note this wizard may be in English only; however, the automatic fix also works for other language versions of Windows.
Note If you are not on the computer that has the problem, you can save the automatic fix to a flash drive or a CD and then run it on the computer that has the problem.
Let me fix it myself
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows
To clear the multiple monitor configuration of a computer that is running Windows Vista, delete the following registry subkey:
To do this, follow these steps:
Click Start, and then click Run.
In the Open box, type regedit, and then click OK.
If you are prompted for an administrator password or confirmation, type your password or click Continue.
Locate the following registry subkey:
Right-click the subkey that you located in step 2. Then, click Delete.
When you are prompted to confirm the delete operation, click Yes.
On the File menu, click Exit to exit Registry Editor.
Log off the computer. Then, log on to the computer.
Check whether the problem is fixed. If the problem is fixed, you are finished with this article. If the problem is not fixed, you can contact support.
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