My 15" macbook pro only occasionally manages to connect to my wifi when using router mac-filtering

Once in a while it manages to connect, but after putting the lid down it's gone again. No problem when router mac-filtering is off. All other units works -
I have a macbook, a 13" macbook pro, 3 iphones, a cpl of toshiba laptops running windows and all of them connect without any problems

No problem when router mac-filtering is off.
Then leave it off. It does nothing to protect you from intrusion.

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