Dell OptiPlex 5260 Service Manual page 94

g WLAN card
h I/O board
i PSU
j PSU fan
3 To remove the antenna :
a Remove the antenna cables from the routing guides on the display assembly base [1,2].
b Carefully peel the tape that secures the antenna cables (2) to the middle frame [1,4].
c Remove the two screws (M2x2.5) that secure the antenna modules (2) to the middle frame [2,5].
d Release the antenna modules (2) from the tabs and lift the antenna modules off the middle frame [3,6].
94 Removing and Installing components