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Part of the 15 series in Dell’s Inspiron notebook line, the 3520 model was released on October 18, 2012. The Dell Inspiron 3520 is a 15 inch laptop that is both affordable and capable of meeting a variety of needs.

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Mouse and touch screen

I push a button on the taskbar and it lock the mouse and touch screen ,The button I push is a square box which now has a red x in the middle, please help can not turn it back on

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If there's a button on the taskbar, there should also be one on the keyboard. If so, you may have to hold the “fn" key while you press it.

Ian

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