Windows 7 Can you help me？？？

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Why does my computer after it is installed windows7 easy to hang.
What is the problem? ? ?
Is my computer configurationproblem? ? ?
Friends tell me, urgent! ! !

In this link for more on my computer's configuration.
Click on the picture you can see my computer for more things.
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[zigzag3143]

Why does my computer after it is installed windows7 easy to hang.
What is the problem? ? ?
Is my computer configurationproblem? ? ?
Friends tell me, urgent! ! !

In this link for more on my computer's configuration.
Click on the picture you can see my computer for more things.
Link RemovedLink Removed - Invalid URL​

Was not designed for window 7, only has 1 gig ram. What was on it when you purchased it?

 

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I'm sorry I do not understand computers, so join the computer you want to know, understandwindows7.