How to fix dvd writer problems in laptop

[Surender Mekala]

Hello,
cd dvd not reading some times in my compaq 610 laptop i installed windows 7 in my laptop

 

[teaser]

are these dvd's that you burned or are they retail dvd's or does the drive not read any dvd's at all......its not difficult to replace the dvd drive in a laptop and if its still under warranty then better yet........