Dell P26S Owner's Manual page 24

4. To disconnect display cable:
a. Unroute the WLAN and WWAN cables from the dock frame [1].
b. Remove the screw that secures the eDP cable bracket to the computer [2].
c. Remove the eDP cable bracket to access the display cable [3].
d. Disconnect the eDP 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 antenna cables and display cable from the routing channel[2]
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