How to change the RAM in a Dell Latitude 5400 laptop - YouTube
Refurbished: Dell Latitude E5400 14.1" Laptop with Intel Core2Duo@2.00GHz, 2GB RAM, 160GB HD and licensed Windows 7 from a Microsoft Authorized Refurbisher Laptops / Notebooks - Newegg.com
Dell Latitude E5400 14" Core 2 Duo 2.0Ghz 3GB RAM 160GB HDD WIFI WIN 10 | eBay