External USB Keyboard/mouse randomly stops working on New MacBook Air Early 2020 model running Catalina 10.15.4

Subject says it all for the most part. I have an external USB hub connected to one on my Thunderbolt 3/USB-C ports on my MacBook Air early 2020 model running Catalina 10.15.4. At random times during the day (2-3 times a day) my Logitech G602 mouse and external Apple Keyboard will stop responding completely and only a reboot will restore functionality. The USB 2.0 HUB under System Information->Hardware->USB completely disappears until the MacBook is reported. Disconnecting/reconnecting the USB Hub does not resolve the issue. I have attached a screen capture of what the USB device looks like normally when things are working correctly. This MacBook Air has replaced a late 2019 MacBook Pro that was running Mojave and then Catalina 10.15.4 for the last 2 days of use. Using the same USB hub and external devices I did not experience this issue with that configuration. Granted I only was running Catalina for 2 days with the MacBook Pro 2019.


Things that I have tried to resolve the issue. Looking for additional suggestions to fix or troubleshoot the issue. I feel that my new MacBook Air is a big paperweight at this point.


  1. Reset NVRAM
  2. Reset SMC
  3. Startup in Safe Mode
  4. Ran Diagnostic check that came back clean.


Posted on May 11, 2020 10:38 AM

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Posted on Jun 17, 2020 2:37 PM

Yeah, on my MacBook Air 2020 my wireless usb mouse cuts out too when using the 2.4ghz USB A receiver plugged into the USB A ports on my USB-C hub. My workaround is using a USB-A to USB-C adapter, and plugging that into the USB C port on my hub, and for some reason that solves it. But when the receiver is directly plugged into the USB A ports on the hub, it intermittently cuts out.


It's annoying, and the solution I have to live with for the time being is ridiculous. Apple please fix this!

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109 replies

Nov 4, 2020 2:27 PM in response to Jak0ps

i wonder if my issue is the same.

At random times my Logitech G700s mouse would freeze for 1-10 seconds and then return. I tried several usb hubs to no avail.

I've recently looked ant the system log and noticed that each time this happens i get the following log events :


MacBook-Pro xpcproxy[6210]: libcoreservices: _dirhelper_userdir: 557: bootstrap_look_up returned (ipc/send) invalid destination port


Can someone confirm they get these messages when the mouse freezes ?


BTW - my keyboard does not freeze and it's also usb 2 and it's connected via same HUB.

Nov 22, 2020 4:28 AM in response to Retens

Very similar situation been happening for several months, possibly years - you know how you just 'work-around' the problem....


2014 MBP - (16GB i7 etc), Apple display on thunderbolt from MBP. Generally operate in clamshell mode. Apple magic mouse 1 and original keyboard (both from a 2009 iMac!). Gamer mouse, USB3 hub connected to a USB port on the apple display - it doesn't matter about the make/model of hub or mouse as this has happened with several makes - Microsoft, Razer, Corsair, ET, el cheapo etc, bluetooth, dongle, USB corded.


The mouse stops moving. I notice it most when waking the MBP but it has happened whilst I have been moving the mouse, so it will wake, move then stop moving.


I am able to get it working again by changing the USB port that the mouse is connected to, or switching between BT, dongle or USB which is the only reason I put up with it for so long. Sometimes I have to change ports twice.


It happens when I plug into the USB on the MBP directly. It happens when the hub is connected to the MBP directly. It happens when on bluetooth. It happens when on the dongle.


It never happens to the Apple keyboard or the Apple mouse (both bluetooth of course) - these always work fine.


I am always on the latest software so currently Big Sur, happened with the last 2-3 versions of macOS.

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External USB Keyboard/mouse randomly stops working on New MacBook Air Early 2020 model running Catalina 10.15.4

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