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Apple Computing Products:
macOS - Operating System
My mac is slow
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<blockquote data-quote="pigoo3" data-source="post: 1532492" data-attributes="member: 56379"><p>Here's one more thought...</p><p></p><p>Initially we've been focusing on software/OS related issues that could be causing the excessive cpu drain (kernel task). We've explored quite a bit...with no solutions. It's possible that it's a hardware issue.</p><p></p><p>I purchased a used 2010 MacBook Pro (MBP) about a year+ ago...and I had the exact same issue (kernel task using way too much cpu resources). I tried just about everything mentioned in this thread...and I also could not find a solution.</p><p></p><p>The one problem/symptom that my MBP had that was wasn't mentioned so far in this thread...was the fan on my MBP was always running at top speed (very loud). I ended up taking it to the Apple Store (it luckily still had Applecare remaining on it)...and the problem turned out to be a defective fan (which Apple replaced).</p><p></p><p>So given everything that we've tried so far...it may turn out that you have a hardware problem...and if it is a hardware problem...heading to the Apple Store to have it diagnosed might be a good next step.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>- Nick</p></blockquote><p></p>
[QUOTE="pigoo3, post: 1532492, member: 56379"] Here's one more thought... Initially we've been focusing on software/OS related issues that could be causing the excessive cpu drain (kernel task). We've explored quite a bit...with no solutions. It's possible that it's a hardware issue. I purchased a used 2010 MacBook Pro (MBP) about a year+ ago...and I had the exact same issue (kernel task using way too much cpu resources). I tried just about everything mentioned in this thread...and I also could not find a solution. The one problem/symptom that my MBP had that was wasn't mentioned so far in this thread...was the fan on my MBP was always running at top speed (very loud). I ended up taking it to the Apple Store (it luckily still had Applecare remaining on it)...and the problem turned out to be a defective fan (which Apple replaced). So given everything that we've tried so far...it may turn out that you have a hardware problem...and if it is a hardware problem...heading to the Apple Store to have it diagnosed might be a good next step.:) - Nick [/QUOTE]
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Apple Computing Products:
macOS - Operating System
My mac is slow
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