SOLVED

Microsoft Teams locks USB-ports

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New Contributor

Hello,

we have a problem on some workstations, that after we make a conference call in Teams all devices with USB-ports stopped working.

14 Replies
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hmm! Do you use any usb devices during calls? Same devices? Could it be related to those devices maybe?

 

/ Adam

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The mouse and the keyboard. But that shoudln´t be the problem.

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@WieserG I have the same problem if I use a USB video camera during the call.  After 1 minute to 15 minutes all of my USB ports stop working - meaning I have no mouse or keyboard control of the computer.  This happens with Teams app and Teams through the browser.  It also happens with two different video cameras - so it's not unique to the video camera.

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@WieserG I've been having the same issue. My USB devices will lock up or flat out disconnect randomly when in a Teams voice meeting. They are connected through a Dell TB16 hub. It seems to only have started recently (in the last two or three weeks)

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@WieserG I was able to resolve my problem by removing all extra unconnected USB cables from my computer and by changing all peripherals (e.g. mouse, keyboard, camera, headset, etc.) to USB 2.0 ports and avoiding the 3.0 ports.  I have had several days being able to join teams meetings with no problems.  Before, I could join a meeting and within seconds or minutes all of my USB ports would become inoperable.  And, it didn't matter whether I was using video or not.

 

Some other things I tried that did not resolve the issue were 1) changing my BIOS version and 2) turning off all USB sleep power settings (e.g. unchecking "Allow the computer to turn off this device to save power" under Power Management for USB device in Device Manager).  These actions seemed to have no affect on my problem, but they are still in place as part of my computer's current working configuration.

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@jamesphumphrey So what do we do if our computer has ONLY USB3.1 ports? Microsoft needs to acknowledge and fix this bug.

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@JamesHurley it turns out my problem is not resolved yet.  I will try to remember to post if I find something definitive.

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I was able to reproduce the problem (USB ports locking during a Teams meeting) at will by attaching my phone to the computer via USB.  As soon as I disconnected or connected the phone to the USB cable, all of the USB ports would freeze and I would have to restart the machine.  This only happened while a Teams meeting was active.  I saw this behavior when the phone's USB cable was connected to a USB port on the Dell monitor AND when it was connected directly to a USB port on the computer.

 

I have historically also had the freeze occur without changing anything.  I'll just be in the middle of the meeting (not touching anything) and suddenly all USB inputs are gone.  My hypothesis is that some threshold of either USB power consumption or data bandwidth causes the issue

 

Suspecting that my monitor's extender may be causing USB strain, I have disconnected the monitor's USB cable and now all of my USB peripherals (camera, headset, phone, mouse) are connected directly to the computer.  I have even gone so far as to use an old serial keyboard so that I have one less thing connected to a USB port.  It's been around 3 days and I haven't had a crash yet.

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I'm also having this issue. Almost every time I have a video call on Teams either my keyboard, mouse or both will stop working completely. Only restarting my laptop helps.

 

This on a Dell XPS15 running Fedora 31

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@tomm0 I fixed my problem by removing everything I could from my USB ports.  In particular, removing my monitor's USB extender seemed important.  Now, I only have 3 things connected via USB - a camera, a wireless mouse, and headphones and all three are directly connected to their own USB port.

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Best Response confirmed by ThereseSolimeno (Microsoft)
Solution

@jamesphumphrey   

 

Yes, similar issue!   Here is my description:

Usually random, but very clearly this symptom can be initiated/trigger only associated with an TEAMs video conference call, especially when I am projecting a desktop to the audience, the USB port starts to disconnect after a few minutes..... but random in time and freqeuency.  I hear the DING and DING from connect/disconnect as if I physically unplugged the device.

 

Important to note, this random interference of USB randomly going UP and DOWN will then persist AFTER the TEAMs meeting is concluded usually occurring frequently every minute. Note: the mouse sometimes keeps working anyways, eventually stopping to respond even though the mouse LED is lit.

SYMPTOM #1
Unplugging or plugging the mouse does not always help-> requiring computer reboot to clear.

SYMPTOM #2- Symptoms can get worse:
in 2 cases the computer freezes in the middle of a TEAMs meeting.
in 1 case the computer froze during use of Microsoft Excel.
in 1 case the WINDOWS BLUE SCREEN appeared.

This problem has not gone away after the past month. Changed mouse. Cleared up DEVICE DRIVERS and REINSTALLED.
Only a reboot clears the problem, until the trigger above occurs and the process repeats.

 

IMPORTANT:  No changes in my environment, been stuck at home, you get it, right ?!!    This problem APPEARED about 30-45 days ago with the last major WIN10 UPDATE. The rate of occurrence of WIN10 OS FREEZING has increased to 2X per week.
The rate of occurence of the mouse USB port disconnect/reconnecting is almost 1X per day.

 

DELL i7-7820HQ @2.9GHz with external DELL OEM USB Monitor HUB which I use to run 2 external monitors.

WIN 10 Pro Installed 6/9/202   OS Build 19041.388

 

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I have a similar issue with my mouse and/or keyboard freezing during Teams calls, but only sometimes. A few seconds after ending the call they work again. However, my mouse and keyboard are Bluetooth, not USB. I only have 1 USB device inserted which is a fingerprint reader. I will see if removing that makes any difference next time it happens.

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Just to follow up, I have changed a setting in the control panel for my headphones, which are also Bluetooth, to disable exclusive control. so far this seems to be working on a few test calls, but early days.

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Same issue for me. A bit more details:
I recognised this today, that when I'm in a Teams call, my mouse keeps teleporting to the bottom of the screen. I can fix this bug if I plug it directly into my USB slot on the side of my Notebook instead of plugigng it into a USB hub. If I plug it to a different port on my hub, it will teleport to the top...
Weird stuff also happens with my keyboard. When I'm in a call it usually stops for a brief second while typing and it thinks that I pressed a key for about a second, so it will end up typing the same letter a bunch of times like this: "llllllllllllll". Also if I end the call it goes back to normal. This though, happens with a USB hub and also with connecting the bluetooth stick directly to my notebook. Strangely, the keyboard bug only exists on my Asus notebook but not on my Dell one.