Instead of CDDVD rom in laptop, what else hardware I can install in

DVD drive will not recognize when a disc is placed in the drive dvd slot What are CDDVD drives? CDDVD drives are used to read data and applications from CDs and DVDs It is a device which dvdms955 Can I add another hard drive to my laptop? I only have one slot and I don't have a CD rom Is there anything I can do? If you are suggesting

dvdms789 Can I add another hard drive to my laptop? I only have one slot and I don't have a CD rom Is there anything I can do? If you are suggesting