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I have a dell Inspiron 1746 with Windows 7 Ultimate 64bit, 4gb Ram, Intel HD graphics. The problem is after an hour or few the screen goes crazy with a noise and colored lines and then the computer freezes. This happens when i play games on Facebook or installed games, not specifically when i play games but usually after the computer has been on for a while. Thank you in advance for your time and help.

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2 Answers 2

This sounds like it is overheating. You can try cleaning the computer by using a vacuum cleaner on all openings on the laptop body to get any dust that has built up inside blocking the airflow.

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I don't have a vacuum cleaner :( –  geet Apr 17 '13 at 14:23
    
Don't use a vacuum cleaner! Use a can of compressed air instead. –  Karan Apr 17 '13 at 17:29

If colored lines happen, that could be your graphic's card problem. You might need to upgrade your graphic's card. But do try cleaning your laptop body first. If this situation happens a lot, only cleaning is not gonna get you out of this.

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