Modem connection, signal, interference:
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Double click computer mouse
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Turn off the old monitor, Turn on
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Modem connection, interference, signal
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Manual copy machine
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Repeatedly pressing a computer mouse
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Signals, Computer interface
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Turn on, turn off the old computer
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Fan noise, Turning on the computer, shutting
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Sound signal of a bios computer, bios
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Opening, closing the laptop cover
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Turn off the hard drive, Turn on
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Computer mouse movement
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