The problem: the computer could not read the CD. Workaround: If you have loaded a CD drive with the tray, press the button and then gradually bring out the CD. Press CD into the appropriate position, and then load the sheet.
Problem: The computer can not read CDs have a solution: If you have a CD drive tray loaded with. Remove the CD and press gently press the CD into the right position and then loaded into a new sheet.
Problem: the computer can read CD.Solution: if you have a CD drive load with the CD tray to hit out, then gently press the CD into the proper position, then the load plate in.