copy data from damaged cd or dvd

when your CD or DVD is physically damage by scratch or any cause,some  data on cd\dvd become unreadable.computer shows message like "error in copy file" or"file corrupted",so your cd\dvd totally unusefull for you.

computer gives beep sound continuously and no display on lcd - solution

its a general problem in computers .its occur when ram is not working properly its cause when environment is moistly.

my dvd rom can't read cd or dvd-solution