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{A1706 / EMC 3071}—2017년 6월 출시, 이 MacBook Pro 13”는 Kaby Lake 프로세서 최대 3.5 GHz Core i7 및 Turbo Boost 최대 4.0 GHz 포함.

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MacBook runs blazing hot and high battery discharge

Something that has been bothering me for a while. My 2017 Macbook Pro 13” only gets 2-3 hours of battery life with me barely doing anything. This is compounded with the thing running stupid hot and the fans coming on almost all the time.

Battery was replaced with the top case about a year ago, but issue was happening before that too. Battery is currently at 95% capacity with 257 cycles.

Right now, with all apps closed except for Chrome, and only this tab open, CoconutBattery is hovering around 10-12w discharge rate. During normal usage, it’s generally at about 16-20w discharge rate.

I have done an SMC reset. I switched to Chrome from Safari just to see if there would be an improvement, but nope.

Nothing is using huge CPU in activity monitor, except maybe kernel_task that is routinely at 10-20% of CPU.

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Thank you for the suggestions. I ran the diagnostic tool which came back without issues. Screenshots of TG Pro attached. Note, I have been using it on battery power for a couple hours, only doing light browsing. I am outside in 33C heat, but it’s generally the same regardless of temp. Chrome is the only app open in the dashboard outside of CoconutBattery and ActivityMonitor.

I really think the issue is software and not hardware as it was the same before I had the top case replaced.

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I don't see any issues with your system from a heat perspective. The values are all within the expected levels. Let's run you system plugged in I'm curious if the issue is different plugged in.

Either Hardware or Software issues would reflect thermally in TG Pro. So if this was software we would have seen the fingerprints which we just don't.

Make sure you are not blocking the ventilation slots on the sides and back.

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I believe I have figured out the issue, iStat Menus. No idea what the specific problem was as it was never showing a lot of CPU usage, but deleting it has given me back a Macbook that works as it should.

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Lean and mean is always best, sometimes we just load to much eye candy without realizing the costs.

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Well your chewing though cycles like candy! For just over a year and a couple of moths 257 is quite high (1k is about the limit)! So you do need to figure out what is the cause of this low grade drain (which is causing the discharge and the heat). Time to run the onboard diagnostics to see if something pops. Restart your system and press the D key

Reference: Mac startup key combinations

In addition I would install a boot thermal monitoring app like TG Pro see if it can identify what’s hot. Once you have let it run awhile take a snapshot of the main window and post it here for us to see, just adjust the window so all of the sensors are within the capture (the righthand slide shouldn’t move, or take two snaps so both top and bottom are caught 기존 질문에 이미지 추가하기.

Lastly, if you can get access to a FLir Camera The best thermal-imaging cameras in 2022 that might also help. If you do try taking off the bottom cover to help get a good image and post a few pics so we can see whats getting hot.

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