make my website display correctly

My website displays 11 of the 13 pages without www. and 2 pages with www. in bing it displays the same pages WITH www. I have changed it in webmaster tools to display as www. but nothing has changed. all my backilinks are to www. therefore webmaster tools thinks i have no backlinks. I need someone to sort this out for me. please bid cheap, this is a quick fix for someone with the knowledge