Acer TRAVELMATE 7730 Service Manual page 76

Use the thumb notch to lift the wireless bay cover, then remove it. Be careful not
3
to break off the tabs located on the end of the cover opposite the thumb notch.
Thumb notch
Unplug the antenna cables. Note which color cable is connected to each of the
4
connectors.
Important:
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The number of antenna cables varies by the type of wireless
network used by the notebook. IEEE 802.11N cards typically have
three antenna cables. Other types of wireless network cards typically
have two antenna cables.
Chapter 3: Replacing notebook components