lg dvd combo drive

[anjali]

hai,

i got one problum.i purchase a system recently 6 moths age.all work well.but some days my dvd drive doesn't recognize by system.it shows only cd-rom.it play cds but when i insert dvd in to it.it shows nothing on that it shows empty dvd.but that same dvd is played all other computers.it also shows lg rw/dvd device but it shows only cd-rom.what is problum please any one know inform me at [email protected] or leave answer here
thank you