Turn on, turn off the old computer:
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Turn off the old monitor, Turn on
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Turning on the laptop, fan noise, shutting
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Computer interface, alarm
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Insert the disk into the drive, read the
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Sound signal of a bios computer, bios
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Double click computer mouse
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Closes the CD / DVD tray, Opens
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Computer mouse movement
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Turning on the computer, fan noise, shutting
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Repeatedly pressing a computer mouse
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Office work, general noise
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CD / DVD drive, disc read
★★★★★