Lenovo ThinkPad 470 User Manual page 140

6. To remove the M.2 solid-state drive, do the following:
a. Open the film to access the M.2 solid-state drive
b. Remove the screw that secures the M.2 solid-state drive
from the secured position and pivots upward.
c. Carefully remove the M.2 solid-state drive out of the slot
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1 .
2 . The M.2 solid-state drive is released
3 .