Pressing a keypad, input error sound:
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Bios, Sound signal of a bios computer
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Closing the laptop cover, Opening
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Opens, closes the CD / DVD tray
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Turn off the old computer, Turn on
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Alarm, Computer interface
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Old computer keyboard
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Turning on the laptop, fan noise, shutting
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Disc read, CD / DVD drive
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Read the, Insert the disk into the drive
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Photocopy (photocopy)
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Computer mouse movement
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General noise, Office work
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