albert coleman

Ahsan, from your description it sounds like you need to replace your screen. A guide for this can be found here: Samsung NP300E5C Screen Replacement

Ahsan, a potential reason for this could be a bad drive. Or the computer might not be registering it. If it's the former, this'll require a replacement. The latter would require going into your BIOS and enabling it. A guide for replacement can be found here: Samsung NP300E5C Optical Drive Replacement