![macbook pro power cord humming macbook pro power cord humming](https://i.stack.imgur.com/GGqwH.jpg)
- Macbook pro power cord humming software#
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Have you tried a battery recalibration? See if that resolves your problem. You could check your Activity Monitor to look and see what items show high energy consumption.
Macbook pro power cord humming code#
Also, rendering videos, compiling code or other services/applications can cause a hit to your battery performance. There are multiple things that could cause rapid battery drain from using multiple monitors plugged into your lightning jack or other peripherals that require a higher level of power.
Macbook pro power cord humming software#
![macbook pro power cord humming macbook pro power cord humming](https://i.stack.imgur.com/yttAh.png)
You can see the Thunderbolt Left Proximity temperature sensor rise quickly.
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State A a USB-C hub (a mouse and keyboard, plus power) and a USB-C HDMI 2.0 adapter, both on the left side. Image via “Adam” on StackExchange showing the macOS kernel_task dominating CPU usageĪdam’s graphed test results are too big to post here, but they conclusively show that plugging in power on the right side resolves this runaway state. Suddenly the fans spin up on the MacBook Pro and CPU usage is maxed out. Which port should you charge your MacBook Pro With?Īdam discovered that if you’re charging your MBP using the left-hand ports and have other accessories plugged into that side, the computer heats up so much that a sensor - Thunderbolt Left Proximity - is alerted and a macOS process named kernel_task appears. The cause of this sudden quirk? Adam, a user on StackExchange, came up with a way to test what was happening and fully documented his results.
![macbook pro power cord humming macbook pro power cord humming](https://i.ebayimg.com/images/g/3esAAOSw9rJeeVGC/s-l640.jpg)
The result? The machine would slow down while the fans on the device went into high gear. On StackExchange and other sites, MacBook Pro users documented situations where charging using the left side USB-C ports caused unusually high CPU usage. While these powerful notebooks have USB-C / Thunderbolt 3 ports on both sides, we’re going to tell you why you should charge your MacBook Pro using the ports on the right side. Photo via hardware Do you have a recent MacBook Pro?
![macbook pro power cord humming macbook pro power cord humming](https://i.ebayimg.com/images/g/GAgAAOSwIdFf1kn9/s-l400.jpg)
Right-side USB-C ports on a 16-inch MacBook Pro.