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i have a problem with my desktop is blank and any setting do not solve the problem.

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closed as not a real question by KronoS, Kaze, Mokubai, Diogo, Joe Taylor Jul 21 '12 at 19:31

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

do you mean the wallpaper ? – Shekhar Mar 29 '11 at 19:08
Is it simply that no images set as the desktop background will display, or is it that there is no start menu, task bar, or any other elements of the Windows user interface? – music2myear Mar 30 '11 at 21:10
are you running a pirated version of Windows or Windows Starter? – studiohack Mar 30 '11 at 21:12

Any chance you see a tagline in the bottom right corner of your screen that says “This copy of Windows is not genuine.”? If so it's, time to activate Windows.

To activate by using a direct connection

Open Windows Activation by clicking the Start button , right-clicking Computer, clicking Properties, and then clicking Activate Windows now.

If Windows detects an Internet connection, click Activate Windows online now. If you're prompted for an administrator password or confirmation, type the password or provide confirmation.

Type your Windows 7 product key when prompted, click Next, and then follow the instructions.

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It is genuine effect after disabling activation. You can purchase full version or you have to re-format entire windows. It happens again after expiration period finishes. So I suggest you buy license.

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