Click the Windows Start Icon > Right Click on "Computer" or "My Computer" and select "Manage", and on the right hand pane select "Device Manager". If you see a Yellow Exclamation mark visible on "USB Mass Storage Device" then this indicates that Windows was unable to locate the drivers for the device or has installed the incorrect drivers for the device, causing the device to malfunction
This issue can be caused by a corruption in the Windows Driver Cache file.
To resolve this issue locate and delete the "INFCACHE.1" file. The location of this file varies depending on your Operating System; please follow the correct procedure below for your installed Operating System. We would advise you to backup your system before proceeding.
Before you begin, right click on the "USB Mass Storage Device" in Device Manager with the Yellow Exclamation mark and click "Uninstall"
Once your PC/Laptop restarts. Plug in your Integral USB Flash Drive and your device should function as normal.
If you still experience problems following this FAQ, please fill in a Support form and we will assist further.