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模具型号A1707。于2017年6月上市,这台MacBook Pro的特征为配有Kaby Lake处理器,可升级至2.9GHz、可动态超频至3.9GHz四核英特尔酷睿i7处理器。

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Fan runs over full speed after battery replacement

Hello. I’ve replaced a battery and now the left fan starts to run at 134%¹ just after turning on mpb. The right fan is starting at very low speed, then it overclocks, so I think it works fine. But there is no any sensible lags on working, cpu temp is fine, only real issue is a fan noise.

I’ve tried to reset SMC and NVRAM by several times, nothing has helped.

¹ By osx-cpu-temp tool:

  • CPU: 50.9°
  • GPU: 51.7°
  • Left fan: 5028 RPM (133%)
  • Right fan: 0 RMP (0%)

While by Macs Fan Control app:

  • Left side (min/current/max): 2160 / 7191 / 5927 on AUTO (custom setting IS NOT CHANGING the speed)
  • Right side (min/current/max): 2000 / 2000 / 5489 on AUTO, custom setting works fine
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Inspect the ribbon cable from the fan unit for damage as well as look at the ribbon cable connector and the matting connector on the logic board for damaged pins. also make sure you inserted the ribbon cable fully.

If you don’t see any damage then you’ll need to replace the fan assembly: MacBook Pro 15" Retina (Late 2016-2019) Left Fan

MacBook Pro 15" Retina (Late 2016-2019) Left Fan图片

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MacBook Pro 15" Retina (Late 2016-2019) Left Fan

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