There are two ways to resolve the issue when the System Reserved Partition in Windows 11/10 computer. We explain both of them in detail.

If Mark Partition as Active, Change Drive Letter, Format, Extend, Shrink, Delete Volume options are greyed out in Disk Management, see this post.

What is the GPT protective partition? Why is my disk showing as GPT protective partition in Disk Management? How to fix a GPT protective partition without losing data and regain access to it?