A + (Plus) Hardware Interview Question:

A customer has just installed a new cd-rw. the system was working fine before the installation, but now the cdrom does not work, what should you suggest that the customer do?
A. flash or upgrade the BIOS
B. check the CONFIG.SYS
C. add cdrw in the device manager
D. check the jumper setting on the cd-rw
E. None of the above