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.

Install the Intel Graphics Command Center from the Microsoft Store, opening it, going to System>Power>Panel Self Refresh and turning it off for both "On Battery" and "Plugged In"

More details here: https://answers.microsoft.com/en-us/surface/forum/all/surface-pro-7-freezing-and-restarting/0212b351-d337-40df-9791-46ecd991d0f9?page=2&auth=1   Look at post by aeturnus on 2nd page of thread.

This issue goes back at least to Surface Pro 4: https://answers.microsoft.com/en-us/surface/forum/all/panel-self-refresh-causes-screen-freezing-on/3f85075e-efee-4ad0-a116-118429536768

UPDATE: 5-19-2020

It's been a week and a half since turning off Panel Self Refresh as noted above. Since then there have not been any freezes or stalls.

Install the Intel Graphics Command Center from the Microsoft Store, opening it, going to System>Power>Panel Self Refresh and turning it off for both "On Battery" and "Plugged In"

Thank you for the suggestion. I appreciate the attempt to help. However, I have read about this previously, tried it, and found that it does not fix or even reduce the problem.

..... I have read about this previously, tried it, and found that it does not fix or even reduce the problem.

My SP7 is on its 4th day of no freezes after turning off Panel Self Refresh and turning it off for both "On Battery" and "Plugged In".

Your three cases and other cases reported here and in other areas of the internet suggest there may be various problems with the Surface Pro products. For example, while you can sometimes bring yours back by touching its back or plugging or unplugging the charger, that never worked on mine.

This Panel Self Refresh thing was recently highlighted by someone running two monitors off their Surface Pro. While the embedded monitor froze, the second monitor did not.

All mentioned solutions have been tested however the problem still not resolved yet , any more ideas before saling this MS PS7 , !!! 

Anybody tried to recharge by using USB-type C charging cable 15V /3A with USB C Charger, Anker 65W PIQ 3.0&GaN Type-C Charger With A 45W PD Port?