I'm above mentioned laptop running ubuntu 12.10.When i issue sudo apt-get update
it shows
Ign cdrom://Ubuntu 12.04.2 LTS _Precise Pangolin_ - Release amd64 (20130213) precise Release.gpg
Ign cdrom://Ubuntu 12.04.2 LTS _Precise Pangolin_ - Release amd64 (20130213) precise Release
Err cdrom://Ubuntu 12.04.2 LTS _Precise Pangolin_ - Release amd64 (20130213) precise/main i386 Packages
Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
Err cdrom://Ubuntu 12.04.2 LTS _Precise Pangolin_ - Release amd64 (20130213) precise/restricted i386 Packages
Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
Ign cdrom://Ubuntu 12.04.2 LTS _Precise Pangolin_ - Release amd64 (20130213) precise/main Translation-en_IN
Ign cdrom://Ubuntu 12.04.2 LTS _Precise Pangolin_ - Release amd64 (20130213) precise/main Translation-en
Ign cdrom://Ubuntu 12.04.2 LTS _Precise Pangolin_ - Release amd64 (20130213) precise/restricted Translation-en_IN
Ign cdrom://Ubuntu 12.04.2 LTS _Precise Pangolin_ - Release amd64 (20130213) precise/restricted Translation-en
My machine configuration is intel i5 32 bit machine.Please help me to solve this.