Microsoft plans to modify the way Windows 10 handles the operation of disconnecting a USB or Thunderbolt storage device. This includes USB thumb drives, external hard drives, flash drives, and even USB data transfer connections established between PCs and smartphones.
The change, which is predicted to cause some problems, will take effect with Windows 10 version 1809 -Microsoft’s next major Windows 10 version (the May 2019 Update)- scheduled for an official release in the coming weeks.
Why does it matter?
Until now, the default policy in all previous Windows versions when disconnecting a USB storage device was the “Better performance” setting.
Starting with Windows 10 v1809, this will become “Quick removal.”
The difference between the two is significant.
“Better performance” means that Windows manages data transfers and storage operations in a manner that improves performance. This includes caching data while it’s being transferred, opened, or in preparation for certain operations.
This constant readiness on Windows’ part meant that any user who wanted to disconnect a USB or Thunderbolt-connected storage device had to go through the “Safely Hardware Removal” process, which meant triggering a manual Eject.
All Windows users know the procedure.
But starting with Windows 10 v1809, the default state for all USB and Thunderbolt storage devices will become “Quick removal,” which is a state where external storage devices can be disconnected without following the “Safely Hardware Removal” process.
But there are downgrades for switching to “Quick removal” as the default setting. The first is that Windows won’t cache disk writes anymore, meaning that data moved to an external storage device might take longer to transfer, or might be corrupted when removing the device too quickly.
Keep external storage devices as “Better performance”
Microsoft will allow users to overwrite the default “Quick removal” state on a per-device basis.
This is for users who are copying backups to external hard drives or those copying crucial PowerPoint slides or other business documents to a USB memory stick and may want to make sure data transfers both safely and faster.
The procedure is as follows, but users need to be aware that once a USB/Thunderbolt storage device is set back to “Better performance,” they will also need to follow the “Safely Hardware Removal” process.
- Connect the device to the computer.
- Right-click Start, and then select File Explorer.
- In File Explorer, identify the letter or label that is associated with the device (for example, USB Drive (D:) in the image below).
- Right-click Start, and then select Disk Management.
- In the lower section of the Disk Management window, right-click the label of the device, and then click Properties.
6. Select Policies, and then select the policy you want to use.
Additional info in this Microsoft KB article.
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