Surface Pro 7 type cover stops working, driver disappears?

Anonymous
2019-10-26T23:50:07+00:00

my brother just bought the surface pro 7, and initially the keyboard works, but after closing the type cover, once he returns, the keyboard does not work anymore, the driver cannot even be found. We tried all fixes, nothing except factory reset worked. It happened again today, a day later and we are perplexed. we cannot continue to factory reset every day for this keyboard type cover to work, what can be done??

Surface | Surface Pro | Install and update

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  1. Anonymous
    2020-01-12T11:39:08+00:00

    Thanks! I will do so!

    Here is the link to the problem:

    https://aka.ms/AA6yxfa

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  2. Anonymous
    2020-01-12T08:16:15+00:00

    Hi,

    I am having the same problem with Surface Pro 7 (i5, SSD 256 GB, 16 GB RAM) bought in Poland at the end of November.

    Recently, Surface happens to stop detecting Type Cover especially when it wakes up or I change the keyboard position from lying flat to being magnetically attached to the lower bezel.  

    My observations:

    • I detected that "Surface Type Cover Filter Device" driver disappears when this happens.
    • Complete reset had solved the problem for a short while but then the issue returned.
    • Driver reinstall did not help.
    • Surface Diagnostic Tool solved the problem for a short while.
    • It seems that this is not a hardware issue but rather some ill-designed software update. 

    I have uninstalled the latest Win10 update (1909) and it seems that the Type Cover works well. But for how long?

    I have read that many people had similar problem starting with Surface Pro 4. Many times this was a Win10 update case.

    Is someone from Microsoft aware of this issue? 

    Update: TypeCover stopped working again. 

    Best,

    P

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  3. Anonymous
    2020-01-07T09:21:39+00:00

    Ok, after several complete resets I can confirm it's not a USB driver problem. Keyboard stopped working completely even after several resets.

    On a more positive note, careful inspection of the typecover port revealed a small amount of oxidation on one of the contacts. I scraped that off and the keyboard started to work!

    The oxidation was not easily apparent on normal inspection, and I had previously tried cleaning the port with an alcohol solution to no avail. 

    Fingers crossed the problem is solved for me, hope it helps someone else.

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  4. Anonymous
    2020-01-02T11:34:38+00:00

    Sadly it appears to have been a coincidence.

    I did (another) complete reset on New Year's Eve and typecover was working fine as recently as yesterday. Just created a restore point so I could specifically test devices, and discovered the typecover is no longer working. The device I thought was triggering the problem (microsoft display dock) has not been connected since the last reset.

    I'm still suspicious about USB devices triggering the problem, I'll try to troubleshoot further as I go through (yet another!) reset. This time I'll create a restore point immediately :)

    /David

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  5. Barb Bowman 80,810 Reputation points MVP Volunteer Moderator
    2020-01-02T10:52:58+00:00

    > In my case it appears the driver disappears when plug in certain USB devices

    >

    can you repro this every time? which exact devices do you plug in that cause

    this?

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