The USB flash drive is inserted, removed from the usb connector:
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Repeatedly pressing a computer mouse
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Fan noise, Turning on the computer, shutting
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Signals, Computer interface
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Opening, closing the laptop cover
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CD / DVD drive, disc read
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Laser printer
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Pressing a keypad, input error sound
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Room noise, write, read, Hard disk
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Computer simulated laser
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Double click computer mouse
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Turn off the old computer, Turn on
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Computer mouse movement
★★★★★