Could heat and humidity interfere with Airport card functionality?
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I have a 2008 MacBook (MacBook4,1) running Debian Linux 12. I've noticed that WiFi on the internal Airport card gets very flaky when it's being used in a hot and humid environment. Specifically, Linux, it will spontaneously look like the Airport card isn't even installed. If I shut down and then take the machine to a air conditioned environment, then let it acclimate for a few minutes, Wifi is recognized again and continues to work well as long as I stay in that environment. Of course the machine and its components are 15 years old now, so I'm sure there are plenty of reasons this could happen. I'm just wondering if it's more likely that the slot/motherboard connection is bad, or the card itself is bad?