Hi,
Welcome to FixYa!
This maybe a problem with the software inside the tower. You will need to check some settings as well. please follow instruction below.
1. Click on START
2. Type REGEDIT on the search bar on START Menu on the Run Box
3. Expand HKEY_LOCAL_MACHINE
4. Expand SYSTEM
5. Expand CurrentControlSet
6. Expand Control
7. Expand Class
8. Click {4D36E965-E325-11CE-BFC1-08002BE10318}
9. Look for the Upper Filters / right click on it / click on Delete
10. Look for the Lower Filters / right click on it / click on Delete
11. Restart PC
12. Try you CD / DVD ROM
If nothing happens, click on this
link then click on RUN and follow the steps, then restart computer and try to run a disc again, if still nothing happens, theres a possibility that the problem is with the hardware side or the media player that you are you using...
Hope this will help...Thank you for using Fixya...