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Cannot access dev drive after canary update

Anonymous
2023-12-23T07:14:46+00:00

It is quite unfortunate I cannot give exact versions. After updating to the latest canary from the existing latest canary (no new canary as of writing this), my PC would boot loop several times with a BSOD message involving REFS, so I assumed it was due to the dev drive. In my attempt to stop the looping and get back to normal, I reverted the update and it took me back to Build 26016.rs_prerelease.231208-1532.

It worked fine without any crashes, but windows settings didn't open, start menu didn't open, basically nothing on the taskbar except for Win+X and search worked. So I could open other apps through run, and taskbar icons

After trying all forums, I decided to clean install. That was my only option as the ISO available on device wasn't an insider build and is an early version, 21H2 and so has no dev drive support

After clean installing, I updated to 23606.1000 on the dev channel and my Dev drive is not working and asking for a format and I cannot lose my files

What to do

Update
I've tried refsutil and it gave the following error
The volume is an unsupported ReFS version. This utility supports versions up to 3.9. Volume is 3.12.

Update

It turns out the settings app not opening was a known issue and had a workaround in 26016
should've read before updating, or downgrading in this case

Windows for home | Windows 11 | Files, folders, and storage

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  1. Anonymous
    2023-12-24T06:57:44+00:00

    Hello, Rudy Sulley

    Welcome to the Microsoft Community.

    Thanks for visiting Microsoft Community.  The issues on  access dev drive is out of reach of the response support community. It is more suitable for publishing on Microsoft Learn (English only), you can click on "Ask a question", there are experts who can provide more professional solutions in that place. Here is a link to the forum where you can raise specific scenarios and share your idea to help solve the problem. 

    Microsoft supported products on Q&A | Microsoft Learn I won't be able to help you, but I'll leave that question open in case one of our amazing volunteers has ideas for you.

    Best wishes

    Bobhe | Microsoft Community Support Specialist

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