Opens, closes the CD / DVD tray:
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Disc read, CD / DVD drive
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Signals, Computer interface
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Fan noise, shutting, Turning on the laptop
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Read the, Insert the disk into the drive
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Opens, closes the CD / DVD tray
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Old computer keyboard
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Computer mouse click
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The USB flash drive is inserted, removed
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Computer simulated laser
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Office work, general noise
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Turn off the old computer, Turn on
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Floppy disk reading
★★★★★