12-13-2019, 12:42 PM
Are you running portable Widnows on a physical machine or a virtual machine? Please make sure portable Widnows is running on the physical machine and make sure that the USB drive is inserted into a USB 3.0 port of the computer.
For an operating system boot drive, 4K random read/write speed is very important. If the 4K random read/write speed of the USB drive is too slow, then the USB drive is not suitable for creating portable Widnows USB drive. Please use CrystalDiskMark to test the 4K random read/write speed of the USB drive.
How to Run a Hard Drive Speed Test:
http://www.buildcomputers.net/hard-drive-benchmark.html
For an operating system boot drive, 4K random read/write speed is very important. If the 4K random read/write speed of the USB drive is too slow, then the USB drive is not suitable for creating portable Widnows USB drive. Please use CrystalDiskMark to test the 4K random read/write speed of the USB drive.
How to Run a Hard Drive Speed Test:
http://www.buildcomputers.net/hard-drive-benchmark.html