Turn on, turn off the old computer:
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Closes the CD / DVD tray, Opens
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Modem connection, signal, interference
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Computer keyboard
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Computer interface, alarm
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The USB flash drive is inserted, removed
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Input error sound, Pressing a keypad
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Sound signal of a bios computer, bios
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Computer mouse click
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Shutting, fan noise, Turning on the laptop
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Jet printer
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Manual copy machine
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Matrix printer
★★★★★