That is the correct button. Be sure the system is turned on, the door won't open if the system is not powered up. If the system is powered on and the door still doesn't open when you push the open button, there is a small pin hole above the open button. With a pin, push this unlock button to manually open the door. Again, the system must be powered up.
 9 years, 1 month ago
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Lenovo Product Expert