Ok under PIONEER DVD-ROM DVD-114 click uninstall (through your device manager) see screenshot below on how to do this. after that reboot. And let windows pick it up.. It should work if not we can go another route.
Yours will be named as above so never mind what the name is on mine.

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I don't see an uninstall button just a remove button, is that what i do remove it ?

Only remove? Hmm.. Did you click the little plus by DVD/CD rom drives? If that is the only option then yes. But if you can find uninstall that would be better. Either way afterwards reboot and it should work as it xcould just be a driver conflict

Edit: If you can click properties on that drive,, Do that then click the tab that says Uninstall like below

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Rebooted Merlin and it still doesn't show the disc in the D driver

The only thing that shows up under properties tab is a General Tab showing capacity

ok give me a second to think (got a brain **** lol) just letting you know I am not ignoring ya.

Does it open up or anything like that?