Hi,
Please follow the instructions below step by step and let me know.

1. Click Start-->Run and type regedit in the text box and press enter.

2. Click "File" in the menu.

3. Click "Export" from the drop-down menu.

4. Click the down arrow beside "Save In" and select Local Disk

(C.

5. Type Backup.reg in the File Name field.

6. Click Save.

=== Deleting UpperFilter and LowerFilter Registry Keys ===

1. Click Start and click Run.

2. In the Open box, type regedit and click OK.

3. Click the plus (+) sign beside HKEY_LOCAL_MACHINE.

4. Click the plus (+) sign beside System.

5. Click the plus (+) sign beside Current Control Set.

6. Click the plus (+) sign beside Control.

7. Click the plus (+) sign beside Class.

8. Locate the {4d36e965-e325-11ce-bfc1-08002be10318} key

and click it.

9. On the File menu, click Export.

10. In the File name box, type savedkey and click Save. It is

better
to save the "savedkey" to the desktop.

11. Click the REG_MULTI_SZ data type UpperFilters (found in

right
window pane) and then click Delete on the Edit menu.

12. When you are prompted to confirm the deletion, click Yes.

NOTE: If this data type is missing, continue to the next
method.

13. Click the REG_MULTI_SZ data type LowerFilters (found in

right
window pane) and click Delete on the Edit menu.

14. When you are prompted to confirm the deletion, click Yes.

15. Quit the Registry Editor and restart the computer.

Ok
Try the steps below as this seems to be a hardware problem after performing the steps if the problem persist or of could not detect the discs then you have to replace the drive.

Click Start-->Run and type devmgmt.msc and press enter.

Device manager will open up.

Click the + sign beside DVD/CD Drives.

Right Click on the device listed under it and select Uninstall

Restart the PC and let the driver install automatically.

Check the issue once again.

This seems to be a hardware problem it happens when something is defective on the circuite baord of the drive it can be repaired but repairing it will be waste of money and time.