You are asked to update the firmware of the backplane of an external disk enclosure to the latest versions. The disk enclosure is connected to a RAID adapter on your server. You have updated the firmware successfully and rebooted to complete the setup. The disk enclosure does not start after rebooting.
What can be done to resolve this problem? (Select two.)
A. Roll back to the old firmware revision.
B. Ensure that the disk enclosure is connected to a working AC source.
C. Replace the disk enclosure.
D. Ensure that the power source and power supplies are working properly.