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Hours after closing the display, MBP remains very hot
- Thread starter Micka88
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"How to avoid such background activities?"
When you discover the "hot MacBook", open the lid and open Activity Monitor.
See if there are heavy loads upon the CPU, and what apps or processes are creating them.
Then you can quit the apps if need be.
Not so easy with the processes.
When you discover the "hot MacBook", open the lid and open Activity Monitor.
See if there are heavy loads upon the CPU, and what apps or processes are creating them.
Then you can quit the apps if need be.
Not so easy with the processes.
From my daily experience :
The heat mostly caused by discrete GPU.
When idle, discrete GPU are hotter than integrated one, causing prolonged heat into MacBook Pro enclosure.
It caused by background service running locking using discrete GPU.
For identifying those process, I using gfxcardstatus.
Those little utility enable user more control for controlling GPU switching o MacOS, since it done automatically by system.
Example scenario : after you install gfxcardstatus, check what GPU which system using.
If discrete graphics being used, try manually switching to integrated one, which will trigger gfxcardstatus alert and showing what locked process which using discrete graphics. Example, in my case QuickLookServiceUI was stuck into discrete GPU after I previewing .stl files, without being back into integrated again. So i killed that process through activity monitor and my laptop will cool idle again. If i don't kill that process, my machine still remain hot.
Hope this helps.
*edit : fixing typos, if you spotted missing n and double n/m character, please forgive me because my MBP now are victim of butterfly keyboard gate*
This is not normal. One of two things is presumably happening. A) your system is not going to sleep as it should, or B) it is going to sleep and then some device or application is waking it up for some reason.
If you go into the power settings, what options are currently selected? (is power nap or wake access enabled?)
Do you have any Bluetooth devices paired?
If you reset the SMC and PRAM, does this resolve the issue?
--if it does not--
If you leave the display open and go to Apple-->sleep, does the display go dark the the computer cool down? Or does the computer continue to be extremely hot and fans continue to run?
If you go into the power settings, what options are currently selected? (is power nap or wake access enabled?)
Do you have any Bluetooth devices paired?
If you reset the SMC and PRAM, does this resolve the issue?
--if it does not--
If you leave the display open and go to Apple-->sleep, does the display go dark the the computer cool down? Or does the computer continue to be extremely hot and fans continue to run?