here's instructions on how to replace your lcd panel: http://www.tdcomponents.com/sites/notebook_lcd_display_ausbau_ausbauen.php
http://www.screentekinc.com/lcd-removal-instructions_en,dell.shtml

and another article that may be helpful: http://www.asklaptopfreak.com/laptop-notebook-help/category/laptop-was-dropped/

a replacement lcd panel for the e1405 should retail for about $375 (1280x800) or $425 (1440x900). shop around for a local pc repair shop and if they charge $500 or less for the entire repair (parts+labor) then you're getting a great deal.