Lenovo 42862AU Hardware Maintenance Manual - Page 12
interconnecting cables., computer, unplug all power cords from electrical outlets
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DANGER Unless hot swap is allowed for the FRU being replaced, do as follows before removing it: power off the computer, unplug all power cords from electrical outlets, remove the battery pack, and disconnect any interconnecting cables. 6 ThinkPad X220 and X220i Hardware Maintenance Manual
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DANGER
Unless hot swap is allowed for the FRU being replaced, do as follows before removing it: power off the
computer, unplug all power cords from electrical outlets, remove the battery pack, and disconnect any
interconnecting cables.
6
ThinkPad X220 and X220i Hardware Maintenance Manual