Here's a list of things you can do to try and solve the problem:
- Check if the CD/DVD drive appears in Device Manager.
- If it does not appear, try uninstalling any removable storage devices listed in Device Manager and restart the computer.
- Look for any mesages on the Device Manager that could be regarding the CD/DVD drive.
- Try to update the device driver for the CD/DVD drive in Device Manager.
- If the drive is still not recognized, try uninstalling the driver and then reinstalling it.