You will need to replace your LCD. Here is a [http://www.mydellmini.com/forum/dell-streak/22966-dell-streak-parts-list-numbers.html|parts list from Dell] for your Streak. With that you can get your part number and order directly from Dell. You will be able to find parts on eBay or maybe one of these places [http://www.dellstreakrepairs.co.uk/spares.html|here] and [http://www.aliexpress.com/wholesale?SearchText=dell+streak&catId=0|here]. Instructions for display replacement are [guide|4338|here.]