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Apple Computing Products:
macOS - Notebook Hardware
hissing sound
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<blockquote data-quote="Strukt" data-source="post: 867570" data-attributes="member: 61185"><p>I had the same problem with the first MacBook Pro released. If the computer sat idle, in essence doing nothing other than having the operating system loaded I did hear the hissing sound.</p><p></p><p>If I used the computer the sound went away ...</p><p></p><p>Apparently it is something about the CPU going into a powersave mode that starts this hissing noise. My work PC laptop have this problem too ... I wonder if Apple can really fix it... ?</p></blockquote><p></p>
[QUOTE="Strukt, post: 867570, member: 61185"] I had the same problem with the first MacBook Pro released. If the computer sat idle, in essence doing nothing other than having the operating system loaded I did hear the hissing sound. If I used the computer the sound went away ... Apparently it is something about the CPU going into a powersave mode that starts this hissing noise. My work PC laptop have this problem too ... I wonder if Apple can really fix it... ? [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
hissing sound
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