7 years old?!? WOW
For computer years, take dog years, then multiply that by 3. That makes it about 147 years old.
Seriously though, does the drive work fine with a CD in it? If not, it may have very well have just given up the ghost. If it does, could be that the eject button is weak and gets stuck in the eject position.
PS
By cabling, he meant the cables plugging the CD ROM to the computer.