Have Medion pcmt7 that's works fine except cd/DVD drive doesn't recognise any discs. What could be problem?

SOURCE: DVD RW / CD RW Drive

sounds as if your drive is failing, try buying a new drive.

SOURCE: How Can I Fix My Laptop DVD/CD Player? It's Not Working Right Anymore

Provide a CD/DVD cleaner disc and clean it maybe it help;
I encoutered that problem 3 months ago, the DVD ROM recognized only few DVD disc, other DVD's won't even the windows is freshly installed. The laptop was return back to the store they replace it.

However, in your case; it work fine before so maybe i suggest you to clean your DVD rom using the cleaner, if not work then , scan your computer with a potent antivirus, if this not work also, maybe i recommend to format and reinstall the system,

If all of those are not working maybe its time for you to enjoy the warranty of your laptop if the laptop has a warranty. hope this help.

SOURCE: R500 laptop doesn't show/recognise CD/DVD drive

Your CD drive or DVD drive is missing or is not recognized by Windows or other programs http://support.microsoft.com/kb/314060

download and run fix then reboot

SOURCE: medion

I am sure that it is because of your device driver. Try removing your driver and install the latest driver from the providers site

electronic & computer repair& servicre

• 12061 Answers
• Posted on Feb 19, 2010

SOURCE: Won't boot, dvd drive only shows yellow light on

After a Format EVERYTHING is GONE... It is a blank thing. It only know to boot from an install disc. So you must now put a Windows DVD or some sort of Boot setup Disc in, and if the Windows disc, you should perform a re-install of the Operating System. As until that is done you cannot use the PC, as a PC. try that and get back to me.