I do see one of the BT/WiFI antenna lines is not connected in your image. Can you post a few pics of the display cables both and both sides so we can rule them out.
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I’m suspecting you didn’t seat the CPU properly and/or the socket pins get bent in the process.
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I’m suspecting you didn’t seat the CPU properly and/or the socket pins got bent in the process.
I do see one of the BT/WiFI antenna lines is not connected in your image. Can you post a few pics of the display cables both and both sides so we can rule them out.
I’m suspecting you didn’t seat the CPU properly and/or the socket pins get bent in the process.