How Windows 10 disconnects USB has been changed since Windows 10 version 1809.
The previous Windows versions are using Better performance as the default setting, but now it is Quick removal.
Read this post to get some related information.
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Is This Important?
Since Windows 10 version 1809, the way to remove a USB unit was changed to Quick removal.
You may ask what the difference is.

Is it necessary to eject a USB drive properly from Mac?
The short answer is probably not.
But, there are still some risks which are mentioned in this post.
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Generally, all Windows users know this procedure, and we will not repeat it here.
But, it is not easy to make the Quick removal as the default setting.
It is good news that Microsoft allows users to replace the default Quick removal state on a per-equipment basis.

In this situation, youd better use the Better performance state.
Are you troubled by USB keeps disconnecting and reconnecting Windows 10 issue?
Do you want to solve it immediately?

Read this post to get the solutions.
Step 2: Right-click onStartand chooseDisk Management.
Then, choose the target drive and selectPropertiesafter right-clicking it.
Step 3: Switch to thePoliciessection, and then choose the policy you want to use.