Maybe the CD drive is faulty and it is the actual drive that is reporting it has a disk in place.
Have you tried putting a CD (preferably a guff one) into the drive and taking it out again? Maybe that will reset things.
OnePlus 6T McLaren edition costs more and charges faster
Climate change, War and #MeToo: 'Ugly Truth' Christmas jumpers show the dark side to modern life
New Apple Products 2019: Predicting the new Apple products coming soon
Samsung Galaxy S10 : date de sortie, prix et autres rumeurs