Over the past month, some Windows 11 users have been running into a problem with disappearing SSDs in both File Explorer and the BIOS, which started after installing the August 2025 KB5063878 update. Last week, Microsoft and Phison both washed their hands of the issue , saying it wasn’t reproduceable and that the issue wasn’t actually connected to the update in question. According to both Windows Report and Neowin , new findings from a Facebook group called PCDIY! —a place...
