Before requesting technical support make sure you have the latest available Atmel Studio version and tool firmware installed. The latest Atmel Studio version can be downloaded from http://www.atmel.com/atmelstudio, and contains the latest firmware version for all Atmel AVR tools. When connecting your tool, Atmel Studio will automatically check the firmware version and request an update if needed.
For technical support, contact avr@atmel.com. When requesting technical support for AVR Dragon include the following information:
Version number of Atmel Studio. This can be found in Atmel Studio menu Help → About.
PC processor type and speed
PC operating system and version
What target AVR device is used (complete part number)
Fuse settings on the AVR target device
Target clock frequency
If CLKPR (Clock Prescaler Register) is used (for AVRs with this feature)
Target voltage
Programming/debugging speed
A detailed description of the problem, and how to recreate it
Any error or warning information generated by Atmel Studio when the error occurred