Turn on, turn off the hard drive:
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Input error sound, Pressing a keypad
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Floppy disk reading
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Opening, closing the laptop cover
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Computer mouse movement
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Disc read, CD / DVD drive
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Computer interface, signal read information
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Old computer keyboard
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Room noise, read, Hard disk, write
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Fan noise, shutting, Turning on the computer
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Disc read, Opens, closes the CD / DVD tray
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General noise, Office work
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Computer mouse click
★★★★★