Dell Latitude E7250 Owner's Manual page 22

4. Perform the following steps as shown in the illustration:
a. Disconnect the WWAN and WLAN cable from the computer [1].
b. Unroute the cable from the slot [2].
5. Perform the following steps as shown in the illustration:
a. Remove the screw that secures the display cable to the computer [1].
b. Lift the tab that secures display cable to the computer [2].
c. Disconnect the cable from the computer [3].
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