Check for any device related event Ids in System Log and refer the following article to understand those errors/warnings:
http://www.symantec.com/docs/TECH199400
Also, check if the config is correct:
http://www.symantec.com/docs/TECH42823
If...
1. Try burning the iso file again onto a different CD (To eliminate corrupt CD). Also, make sure speed is as low as possible - 2x or 4x.
2. Try burning the iso with the different software or a different CD writer hardware.
3. Download the iso again a...
I assume DLO has not been installed properly even though it shows that it has. Run through the install again. If DLO is checked, uncheck it, complete the installation wizard. This will uninstall DLO if at all there are some remnants present. After th...
If you cannot find a drivers download, it indicates that there has been no new release of the drivers since Backup Exec 2010 released. The one that you have with the installation is the latest.