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Software/ Freezing

It’s been more frequent/ recurring that my Brand New MacBook Pro begins freezing whenever I begin typing. It quickly recovers, but I don’t understand why it’s getting more frequent and recurring more. What’s the issue?

MacBook Pro (2020 and later)

Posted on Sep 15, 2021 4:46 AM

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Question marked as Top-ranking reply

Posted on Sep 15, 2021 7:26 AM

Cursor-position updates are done at low priority in the background. So the first suspect is that you are running something, such as a virus scanner, or third-party file sync-er that is using up all the spare CPU cycles, leaving no compute power to update the cursor.


We have been surprised at how badly some of this junk-ware responds when its drive is suddenly 100 times or more faster than the drive used to create it. Really weird things happen. In a Mac as powerful as the 2019 Mac Pro, while it is possible to use up all the CPU cycles, it does not seem likely.


Next is the likelihood of a bad connection of your wireless pointer devices. Bluetooth uses the very crowded and interference-prone 2.4 GHz Wi-Fi band, but does frequency-hopping to dodge the 2.4 GHZ Wi-Fi data. If you live in an apartment building with lots of neighbors' Routers close by, this could be an issue.


Next on the list is USB-3. This technology is known to create noise on the 2.4GHz band in ordinary operation, and poorly-shielded peripherals and cables are a known problem that has no easy fix.


Too close to Your Router could contribute to this issue, as the signals very close to the Router are really "loud" and moving just a few feet away may provide relief.


Certain Displays, including some by LG, have been know to emit a very high level of noise in the 2.4GHz band, so getting away from the display and its cabling may help. [LG should be especially sensitive to this issue, having been burned before.]


To cut down this list, you could try removing some possible interference generators.

If no joy, test with a WIRED pointing device and keyboard.

1 reply
Question marked as Top-ranking reply

Sep 15, 2021 7:26 AM in response to DailyNewBeginnings

Cursor-position updates are done at low priority in the background. So the first suspect is that you are running something, such as a virus scanner, or third-party file sync-er that is using up all the spare CPU cycles, leaving no compute power to update the cursor.


We have been surprised at how badly some of this junk-ware responds when its drive is suddenly 100 times or more faster than the drive used to create it. Really weird things happen. In a Mac as powerful as the 2019 Mac Pro, while it is possible to use up all the CPU cycles, it does not seem likely.


Next is the likelihood of a bad connection of your wireless pointer devices. Bluetooth uses the very crowded and interference-prone 2.4 GHz Wi-Fi band, but does frequency-hopping to dodge the 2.4 GHZ Wi-Fi data. If you live in an apartment building with lots of neighbors' Routers close by, this could be an issue.


Next on the list is USB-3. This technology is known to create noise on the 2.4GHz band in ordinary operation, and poorly-shielded peripherals and cables are a known problem that has no easy fix.


Too close to Your Router could contribute to this issue, as the signals very close to the Router are really "loud" and moving just a few feet away may provide relief.


Certain Displays, including some by LG, have been know to emit a very high level of noise in the 2.4GHz band, so getting away from the display and its cabling may help. [LG should be especially sensitive to this issue, having been burned before.]


To cut down this list, you could try removing some possible interference generators.

If no joy, test with a WIRED pointing device and keyboard.

Software/ Freezing

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