Hi Viet!! well....ive just tried the music cd and nothing.Ive been trying the DVDs all night and nothing....but it does play my PC games...Championship Manager 2000/2001 and the Warhammer "Dawn of War" trilogy....but as i said,i think all this came from me installing the dawn of war game the other day. not quite sure about software discs as this laptop hasnt been updated since its purchase in 2010.
Please try this first solution: click Start->All programs->Accessories->System Tools->System Restore and restore the computer to any date before this issue has occurred, and check. Please let me know. Thank you.