wifi problem connection: antenna cable and airport

i have a wifi problem connection: my macbook connects only if i lower the screen.

the apple assistance says there is a problem with the antenna cables in the display and with airport card. and says that is necessary to replace display and airport/bluetooth card with thermal pad.

do you have any alternative advice?

i find some guide for replace the airport card but i don't know how to fix the problem with the cable in the display...

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This app will help in checking your WiFi services: WiFi Explorer. With it, see if you note a difference as you move the lid using a second display to watch things. Just to verify what you noted.

Is your bottom cover dented at all? If it is you may have a short or a damaged ribbon cable.

With the bottom cover removed, carefully remove the EMI foam from the AirPort card. Is the signal better?

Does the antenna wires look damaged or not properly connected? Review this IFIXIT guide: MacBook Pro 13" Unibody Early 2011 AirPort/Bluetooth Board Replacement

The antenna board with new leads is replaceable, its held in the clutch cover. Follow this IFIXIT guide: MacBook Pro 13" Unibody Mid 2010 AirPort Antenna Replacement.

Here is the needed part: MacBook Pro Unibody Airport Antenna.

I would guess the antenna leads are damaged given your symptoms, but I've also seen odd things with the AirPort board and the ribbon cable.

MacBook Pro 13" Unibody Early 2011 AirPort/Bluetooth Board Image

Guide

MacBook Pro 13" Unibody Early 2011 AirPort/Bluetooth Board Replacement

Difficulty:

Moderate

20 - 30 minutes

MacBook Pro 13" Unibody Mid 2010 AirPort Antenna Image

Guide

MacBook Pro 13" Unibody Mid 2010 AirPort Antenna Replacement

Difficulty:

Difficult

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