Question : Problem: backup exec system recovery change drive letter restore

I´m using backup exec system recovery and have backup all partitons to a external USB HDD. Know when i want to restore to new hardware and using the external USB HDD with the restore CD, the external USB HDD get the drive letter C: and cdrom the X: letter. So i cant restore C: from the backup becourse the drive letter is taken. How do i change the drive letter of the external USB HDD?

Answer : Problem: backup exec system recovery change drive letter restore

i asigned c: to the disk and then deleted it in recovery.