Opens, closes the CD / DVD tray, disc read:
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Input error sound, Pressing a keypad
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Office work, general noise
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Turn off the old monitor, Turn on
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Removed, The USB flash drive is inserted
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Floppy disk reading
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Shutting, fan noise, Turning on the computer
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Turn off the old computer, Turn on
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Computer mouse movement
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Closing the laptop cover, Opening
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Disc read, CD / DVD drive
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Turning on the laptop, shutting, fan noise
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Laser printer
★★★★★