This is caused by the installation of USB and other drivers as they are installed when the device is connected first time to a PC via a USB data cable (CA-101, CA-101D).
- To solve the problem, wait that all the drivers in the PC, get automatically installed. After that, disconnect and re-connect the device to the PC again.
- Try switching to the another USB ports. Some PCs also have an option in their BIOS setup that controls power to the USB port. Check with your computer manufacturer manual.