How to solve "Resorce not found " error when the page is deployed SUCCESSFULLY using a feature in sharepoint 2010?

i am running through deployment problem.i have a feature with pages and required dlls. When i deploy the solution it gets successfully deployed. i can see feature (active) in my site. i can see solution (deployed) in my central admin. i can see that dlls and pages in 14 hive and in my website folder. i can see modified web.config file. But when i try to access the page it throws "Resorce can not be found ". Requested URL: /_layouts/xyz/Pages/Home.aspx. Can anyone help me to solve this?TIA.