There's not enough in your message to really provide any advice on.
Please see "Guidelines for mailing list messages" here:

http://www.ros.org/wiki/Support

For lists of possible things you could include that would assist with debugging.

 - Ken

On Fri, Jul 30, 2010 at 8:46 AM, ibwood <ianbenjiman@hotmail.com> wrote:
>
> Hi everyone,
>
> I'm having a problem with roscore. When I use it, nothing is displayed on
> the command-line and I'm not sure how to edit the settings for it. What can
> I do about this?
> --
> View this message in context: http://ros-users.122217.n3.nabble.com/roscore-not-starting-tp1009277p1009277.html
> Sent from the ROS-Users mailing list archive at Nabble.com.
>
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