Lenovo ThinkPad 770 Hardware Maintenance Manual for 770 series notebooks(Janua - Page 85
If the frame is not in place, the click, buttons do not work.
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FRU REMOVALS AND REPLACEMENTS Notes Be careful not to remove any key when removing the frame. If you do remove key, replace it as shown: 2 1 Esc 1 F1 F2 When replacing the frame, check whether the click buttons of TrackPoint III can be pressed correctly. (If the frame is not in place, the click buttons do not work.) ThinkPad 770, 770E, 770X and 770Z 79
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FRU REMOVALS AND REPLACEMENTS
Notes
±
Be careful not to remove any key when removing
the frame.
If you do remove key, replace it as
shown:
1
1
2
Esc
F1
F2
±
When replacing the frame, check whether the
click buttons of TrackPoint III can be pressed
correctly.
(If the frame is not in place, the click
buttons do not work.)
ThinkPad 770, 770E, 770X and 770Z
79