A fix for this issue is now available through Windows Update. Please review the Surface Book 3 Update History page.
Eddy.
Surface Book 3 - external keyboard and mouse
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(128, 8%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Anonymous
I have a SB3 connected to a Surface Dock which has FullHD touch monitor, USB keyboard and mouse connected to it. I have used this setup without any issues for over 2 years with Surface Laptop 1.
With the SB3 the keyboard and mouse 'stutter' meaning characters are lost or autorepeat due to missing down or up codes. Mouse motion ceases then resumes.
I have a video of the mouse re I continuously move the mouse in a circle
https://1drv.ms/v/s!ArzFfLr\_MuyC294iYcJ4cavRP\_nIvA?e=qdqCjY
I have tried plugging the mouse into one of the SB3 USB ports and get the same result.
I know others have seen this problem. It should be easy to reproduce. Can someone from Microsoft try this please.
This looks to be a level USB message handling problem. Note that the USB is not unloading.
David
Surface | Surface Book | Power and battery
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Anonymous
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Anonymous
2020-09-13T16:59:40+00:00 My videooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo - and a demo of the keystroke loss there
18th June 2020
David
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Anonymous
2020-09-13T15:58:34+00:00 Like I indicated in my update from yesterday, I do believe that my call with them finally did make the company aware of the issue; I provided them with a link to this thread, as well as a video of the issue happening on my laptop. But we will have to wait and see I suppose. In the meantime, indeed let's get to social media and more calls to tech support.
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Anonymous
2020-09-13T15:08:04+00:00 Probably time to hit social media and get Microsoft attention.
David
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Anonymous
2020-09-13T14:14:18+00:00 Unfortunately, I already had applied these updates. If anything, it has gotten worse since then.