Timeline for Macbook Pro very slow on Dual monitor setup?
Current License: CC BY-SA 3.0
10 events
| when toggle format | what | by | license | comment | |
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| Sep 19, 2018 at 14:30 | vote | accept | Dani | ||
| Sep 19, 2018 at 14:30 | |||||
| Feb 17, 2018 at 17:46 | comment | added | Tetsujin | I'm not familiar with that particular model, but I'd have thought the fans ought to be running faster at 70° CPU, which may be why kernel_task is taking over. If that software can manually ramp the fans then try it & see if kernel_task relaxes its grip | |
| Feb 17, 2018 at 17:03 | comment | added | Dani |
50 min later, kernal_task is at 511%
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| Feb 17, 2018 at 17:02 | vote | accept | Dani | ||
| Feb 17, 2018 at 17:03 | |||||
| Feb 17, 2018 at 16:11 | comment | added | Dani | Did that, reconnected it to the dual setup and I'd have to wait about 30 min to see if it start acting the same way. | |
| Feb 17, 2018 at 16:02 | comment | added | Tetsujin | Rather than adding new information after I've typed my answer, you ought to have put it in your question to start with. Reset the SMC & see what happens. | |
| Feb 17, 2018 at 16:00 | comment | added | Dani | But that was not the case. I've used the same laptop with the same 2 monitors for about 2 weeks before I bought my mac mini. It never worked that way. It was normal. Also, I close the lid and it's just the 2 monitors. I dont know if I have to mention this, but I have macs fan control app installed. Could it be it or something? | |
| Feb 17, 2018 at 15:58 | comment | added | Tetsujin | The graphics card is working much harder. 3 external monitors & the machine would be unable to keep itself cool enough. If it was actually a temperature sensor issue, then the behaviour would be similar without the external monitors connected, which is why I'm assuming all is actually normal. | |
| Feb 17, 2018 at 15:57 | comment | added | Dani |
Why would it only happen when it's connected to the dual monitors only though? I'm using the same laptop right now and it works perfectly fine. It's the same thing every time. It only happens when it's connected to the monitors and it's not happening right away, but gradually. It works for about 30 min and then it slows down because of that kernel_task. So, it makes no sense to be to be a hardware issue. If it was, it should be acting the same way when it's not connected to the dual monitor setup. But i'll try with SMC Reset and see if that changes anything.
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| Feb 17, 2018 at 15:53 | history | answered | Tetsujin | CC BY-SA 3.0 |