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Is your MacBook Pro 17" 2020 still noisy after thermal paste replacement?
- Thread starter hajime
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Have you tried cleaning out the fans? It also could just be that Windows is using a ton of CPU. It's an older machine and the fans just ramp up no matter what... same thing happens with my 2010 Mac mini, it's just normal for these older machines I think.
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You also mentioned that they are just noisy no matter what, but "especially [when] running Bootcamp." Are they less noisy in macOS?
Don't recall much about the situation under MacOS as I mainly use Windows on the machine. However, at least for the 15-minute test I just performed, the bottom got quite warm (but not too hot to the point it became uncomfortable to touch as in the case of running Windows) within a minute after I turned it on and let it idle. During the entire test, it was dead silent. Since then, I launched Safari and checked Macrumors for 10 minutes. Also dead silent.
Next. booted into Windows. Temperature increased but didn't hear noisy fan. Letting it idle for 10 minutes and only heard coil whines. Had to put my ear next to the keyboard to hear the fan. Used browser for 3 minutes and no noisy fan. Then, I rebooted to MacOS and heard jet engine fan noise right away. The noise disappeared after about five minutes. Then, when I played youtube video, jet engine noise again right away.
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I don't have a photo of it, but I'm talking about the the entire heat pipe assembly which at one ends sits on top of the CPU and other end has the fins for air to pass thru.