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I checked for updates and got an error stating:

Failed to download repository information, Check your internet connection

and the details:

W:Failed to fetch cdrom://Ubuntu 12.10 _Quantal Quetzal_ - Release i386 (20121017.2)/dists/quantal/main/binary-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
W:Failed to fetch cdrom://Ubuntu 12.10 _Quantal Quetzal_ - Release i386 (20121017.2)/dists/quantal/restricted/binary-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
E:Some index files failed to download. They have been ignored, or old ones used instead.

I'm running an OEM laptop, 32 bit 1 Gb Ram.

I looked at the settings and there was an option to add a CD-Rom?

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1 Answer 1

up vote 2 down vote accepted

It looks like that you have selected the CD-ROM in software sources. doing so will check your CD-ROM for sources. To uncheck CD-ROM option click on Software Sources, under System Settings, and go to the Other Software Tab, and Uncheck cdrom, as shown below:

enter image description here

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it worked. thanks Mitch –  lightning Apr 14 '13 at 17:36

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