Disassembly B4 wireless antenna

This is a description of how to disassemble the top section of an B4 preproduction XO laptop to replace the wireless antenna (rabbit ears). This is part of the Disassembly section of the Troubleshooting Guide and Repair Manual.

This is not needed to replace the wireless antennas on production machines.

Removing the wireless antenna

Step 1

Keep the screen out of the way until the replacement is complete.

Take out 4 screws

Turn over. Pull up and remove the back plate

Take out two screws holding the top bar in place

Watch out for this tab! Pop it out on both sides

Pull the top bar off.

Step 2

Unclip the cable as shown

Peel up the tape.

Remove the two screws.

Watch out for this tab!

Carefully pull out the antenna.

A removed antenna.

Removing the back cover / reaching the motherboard

Step 1

Take out 4 screws

Turn over. Pull up and remove the back plate

Optional: Removing the "XO Person" on the back cover

You do not need to remove the "XO Person" on the back cover if you want to get to any other part.

Step 1

Turn the back plate over. Note where the colored plastic fits in.

Use a screwdriver to pop these out

Turn plate over so the XO man faces you. Pull the plastic part out.

Note how the tabs fit in with the back plate.

Replacing the "XO Person" on the back cover

Step 1

Fit the new piece in the back plate and snap it back in place.

Replacing the back cover

Step 1

Turn over. Replace the back plate.

Pick the right screw!

Turn over. Secure the back plate by putting in the four screws where indicated.

Replacing the wireless antenna

Step 1

Carefully put in the new wireless antenna

Pick the right screw!

Screw in the antenna

Step 2

Clip the antenna cable back in.

Replace the top bar. Do not forget the tabs on the sides! Replace the screws to secure the bar.

Turn over. Replace the back plate.

Pick the right screw!

Turn over. Secure the back plate by putting in the four screws where indicated.