Dell Latitude E7270 Owner's Manual page 27

d. WWAN card
3. To remove the display hinge brackets:
a. Remove the screw that secures the display hinge bracket to the computer [1].
b. Remove the display hinge bracket from the computer [2].
4. To disconnect the display assembly cable:
a. Unroute the WLAN and WWAN cables from the routing channel on the system board [1].
b. Remove the screw that secures the display assembly cable bracket to the computer [2].
c. Remove the display assembly cable bracket to access the display assembly cable [3].
d. Disconnect the display assembly cable from the system board [4].
5. To disconnect the display assembly:
a. Remove the screws that secure the display assembly [1].
b. Release the WWAN and WLAN cables and display assembly cable from the slot on the computer [2].
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