HP has developed a new all-in-one desktop in metallic black color. HP Pavilion All-In-One DreamScreen 400 Touchscreen... moreHP has developed a new all-in-one desktop in metallic black color. HP Pavilion All-In-One DreamScreen 400 Touchscreen Desktop is a 18.5 inch desktop with 1366 x 768 resolution and works on Intel Atom processor having 1.8GHz of frequency. The desktop opera...