Laser printer:
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Computer mouse click
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Opens, closes the CD / DVD tray, disc read
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Pressing a keypad, input error sound
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Turn off the hard drive, Turn on
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Computer mouse movement
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Computer simulated laser
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Closes the CD / DVD tray, Opens
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Double click computer mouse
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Old computer keyboard
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Sound signal of a bios computer, bios
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The USB flash drive is inserted, removed
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Computer keyboard
★★★★★