You can try the below fixes to resolve Transcend USB flash drive not detected or not recognized.
System shutdown can occur due to power failure.
Sudden system shutdown while data transfer to/from Transcend was in progress.Abruptly removing/ejecting Transcend pen drive from computer without selecting the option of “ Safely Removal”.Causes That Makes Transcend Pen Drive To Not Detect or Not Recognize But before knowing the solution, it’s time to first have a look at the common causes that make the Transcend USB pen drive not deleted or not recognized. Hence, I have decided to provide solutions that will help users to fix Transcend USB Pen drive not detected/not recognized. There have been many Transcend USB Pen drive users out there encountering with same problems. Have you ever experienced a situation – you connect your transcend USB pen drive to your Windows computer and you see that your Transcend USB flash drive is not detected/recognized or USB flash drive is not working properly in Windows 10/8/7/XP computer.
