Surface Pro 2017 touchpad mouse freezing

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I have had 3 Surface Pro 7 machines from the Microsoft Store in March and April 2020. All have come fresh out of the box with an identical fault, namely that the touchpad on the signature typecover freezes when the SP is running on mains power. It even occurs on the very first setup screen, the one where Cortana is asking you to choose your language and before any user software is installed. As I move my finger on the touchpad the cursor freezes in place. The cursor can be unfrozen by detaching the power cable from the side of the Surface Pro - but this should not be necessary. It makes the touchpad unusable when the Surface Pro is running on mains power. This behaviour has been observed by Microsoft agents operating my computer via logmein and they have verified that software/drivers are uptodate. Agents have promised escalation and priority attention. Many hundreds of customers report the identical fault with the Surface Pro in numerous posts on answers.microsoft.com and reddit.com.

I see the same problem occurring even when my Surface Pro the power supply plugged-in to a battery backup and surge protecting power supply, and with every wall outlet in my home. I have a Surface Laptop at use in the same house and it has never displayed this fault.

Well I've had my Surface Pro 2017 for quite a while and have noticed this problem from time to time but assumed it had something to do with my fingers. I usually use the Bluetooth Surface arc mouse and not very often the touch pad - that is probably why I didn't bother much looking for a solution. Today when this happened again, I looked for some answers and came to this thread. What I can concur is that:

• It happens with the charger plugged in - I have a third party charger
• It is intermittent - it happened with me in the evening this time round, however, I haven't monitored it so much to be able to say it only happens then
• My software is usually up to date

I haven't tried out all the solutions mentioned here, such as touching the back of the tablet (I have a protective cover), dimming the backlighting ( I had to find out how to do it), setting the track pad sensitivity etc. I even learnt how to get a battery report! Thank you, very much for all those who took the time to report what they have tried and the kind of responses they have experienced.

My surface pro 7 is exhibiting a mouse “stall” and freeze. It also happens when using a wireless mouse, which would seem to indicate a software problem, not a mechanical problem. Reading these descriptions of a systematic product flaw makes me wonder why Microsoft has not exchanged your pad to recreate and track down the problem? That’s what a reputable manufacturer would do.

I have had this exact problem on my surface pro 2 and my surface pro 6. For me, on both models, the mouse and keyboard functions will completely freeze and remain that way until I disconnect the typecover. Once I disconnect and reconnect the cover, then all is well until the next freeze. None of the suggested solutions make any long term difference. Yanking the surface off the typecover and snapping it right back on once every 30 - 180 minutes to clear the frozen screen has just, rather absurdly, become a standard part of what it means to use a surface. Talking to MS support is an exercise in pain and empathy watching poorly trained but enthusiastic foreign call center "techs" run through the same 5 failed solutions, in order, over and over again to no avail. 

As others have postulated, there is clearly a fundamental flaw with the Surface design that has permeated through 7 generations of the product and MS has refused to fix it. I love the idea of the surface, but will not buy another one until MS comes clean and admits there is a problem, fixes it, and makes it right for those of us who have suffered through this nonsense.

"Did you try and remove the pre-installed microsoft 365 using the MS tool and run the machine with no software (lean) installed on it?"

Yes. In fact, I have found trackpad cursor freezing on the very first setup screen of a new Surface Pro, the screen where Cortana is asking you to choose language. just after you have switched it on for the first time This before any software is installed.

Instead of choosing and clicking next, I moved my finger around the touchpad a bit and sure enough it froze after few moments.