HDMI No Sound in TV, only Video - - - HP Elitebook 8470p Laptop | Tom's Guide Forum
HP EliteBook 8470p Pack Notebook - 15210556 | furbify
Refurbished: HP Elitebook 8470p 14" LED Laptop Intel 3rd Gen Core i7 2.90 GHz Mobile CPU 8 GB DDR3 RAM 1TB HD DVD-R FireWire DisplayPort WiFi Bluetooth Webcam Windows 10 Pro - Newegg.com
Used HP EliteBook 8470p 14" Laptop Notebook Windows 10 Home Intel Core i5-3360M Dual-Core 2.80 GHz Gen 3 8GB 500GB HDD Webcam Wi-Fi DisplayPort - Laptop PC - Walmart.com
How to connect to TV (video and audio) using HP Elitebook 84... - HP Support Community - 5723524