Well I received my 5th device replacement in 3 months. Type cove worked great at last. Touch screen hardware not working. Unbelievable that Microsoft doesn't test its units. But I'm done with Microsoft hardware now. No more exchanges.
Surface Pro 7 trackpad freezes
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Anonymous
I received a new Surface Pro 7 8GB 128GB on 27/03/20. The trackpad cursor freezes after a very short time of use on mains power. Cursor unfreezes with power cable is removed. My SP7 is fully updated from Windows update and no other software installed.
Going to Microsoft Support and speaking with a chat agent, I completed steps of running diagnostics and resetting the computer. The problem remained just as bad. The agent decided it was a hardware issue and authorised a return. A new SP7 arrived today 31/03/20 and it has exactly the same problem! In fact it is worse, in that the cursor goes into frozen state more quickly after I attach the power cable. Further chat with agents - they are going to send me a new power supply. But I am dubious that will help.
I like the Surface Pro 7, and it works great on battery power, but is frustrating that the trackpad is completely unusable while on mains power. I suspect some manufacturing fault of inadequate shielding of the trackpad from magnetic interference caused by the power supply. But who knows? I have Surface Laptop 2 and have never had any problem with its trackpad while on mains power.
The last Microsoft chat agent told me my case would be escalated to a more advanced technician. I mentioned that there are over 200 people reporting the same problem in https://answers.microsoft.com/. See http://tiny.cc/u5f8lz He said they have nothing about this problem in their database.
Surface | Surface Pro | Power and battery
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Anonymous
2021-03-15T06:56:11+00:00 -
Anonymous
2021-03-15T04:29:17+00:00 This is so bad and ridiculous, I am seriously considering selling the device and never buying a microsoft computer again. It's unacceptable that a cursor would freeze during use.
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Anonymous
2021-03-12T19:08:06+00:00 That sounds reasonable. At this point, I'm ready to try anything. Bought RF suppressors on Amazon. Clip on. $8.99. Worth a try. They'll be here in 2 days. I'll report how it works for me.
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Anonymous
2021-02-26T18:06:14+00:00 Once I saw in the comments that removing the power supply fixed the problem, I figured it must be RF pulse is coming up the wire. My fix was to add three (it took three) RF suppression chokes snapped around the wire and that seems to solve the problem. So far!
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Anonymous
2021-02-24T10:48:05+00:00 This issue is also present when you booted the Surface into the UEFI BIOS and while navigating there!
Therefore I think that it most probably has nothing to do with Windows, it's drivers or any Windows software because when you boot into the UEFI BIOS Windows is not involved.
Another hint is that until the "Surface - Firmware - 9.102.140.0" update yesterday (23. of February 2021), the issue was just a small nuisance on my Surface Pro 7 but since then because of the unresponsiveness the touchpad is unusable while charging the Surface. Btw. The issue with my Surface however is also present while not charging just not as much as while charging. I bought the Surface directly from Microsoft just 3 month ago.
I tried 3 different original "Microsoft Type Cover" and 2 different also original wall charger. On a Surface Pro 5 and a Surface Pro 6 I also own the issue is not present.