Dell vostros 220 cd/dvd drive not working

you might have to uninstall both the dvd/cd + its drivers then reinstall them actually unplug the cd/dvd from its power cable then restart your computer plug it back in your computer should activate found new hardware or
control panel admistrive tools,computer management,device manager scroll down cd dvd rom drives right click you can you can update driver,roll back driver,or select properties general troubleshoot, select driver click to reinstall drivers click update driver or uninstall then reinstall
hope this helps

control panel admistrive tools,computer management,device manager scroll down cd/dvd drives you should see a yellow question mark? right click to reinstall drivers or right click select enable or properties then general to troubleshoot or region select 4 you might uninstall reboot then reinstall
hope this helps

The below step will surely resolve the issue..

CD/DVD drive in device manager and the CD/DVD properties in device manager shows error code 10 , 19 , 31 , 32 , 39 or 41, please use the following steps:
This issue occurs due to an incorrect registry entry, which might be created due to installation of an incompatible CD/DVD burning program. We will remove the registry entry and re-install the CD/DVD drive and the issue will be fixed.
1. Click on Start and type regedit in the search box and hit enter. It will open Registry Editor window.
2. It will open registry editor.
3. Click on File and Export, it will open a new window.
4. Select Desktop from left pane in the new window and put file name as regbackup and click on Save.
5. It will create a back up of the registry on desktop.
In case something goes wrong during modifying registry, this registry backup can be used to restore to original registry.
6. Now in registry editor click on triangle symbol next to the following items in the left pane:
HKEY_LOCAL_MACHINE
SYSTEM
CurrentControlSet
Control
Class
7. Locate 4D36E965-E325-11CE-BFC1-08002BE10318 below class and click on it. Make sure you have selected the correct entry as all the entries looks almost similar.
8. Look at right pane and check if you see UpperFilter and LowerFilters entries.
9. Please right click on UpperFilter and LowerFilters and select delete.
10. make sure there are no other UpperFilter and LowerFilters entry in that window.
11. Close registry editor.
12. Now please click on Start and type device manager in the search box and hit enter.
13. It will open Device manager window.
14. Click on + sign near CD/DVD entry and it will show the name of the CD/DVD drive with a yellow mark near it.
15. Right click on it and select uninstall.
16. It will remove the CD/DVD entry from device manager.
17. In Device manager, click on Action > Scan for hardware changes to re-install CD/DVD drive.
18. Now you should see the CD/DVD drive entry.
19. Do you see any yellow mark near it now?
20. Please click on Start > Computer and check if CD/DVD drive is listed.
21. Please insert a CD or DVD and check if the computer reads it.

Try right clicking on the triangle and choose to update driver if you have the internet choose use internet this one time option, and see if it can find an updated driver.

Unplug pc from the mains and take the side panel of, check the cables are in correctly, also check the drive is set to the right jumper setting usually master.

Also check in the bios to see if you have raid capabilities, it would be worth disabling it. It is for hard drives not for removable devices.

Go to device manager and see if the device has a yellow triangle with question mark next to the name of the device. If it does, then right click on it, go to properties and see if there is any type of error code. If there is an error code, then search for that code on microsoft's website.