The Pavilion dv7t is a series of 17" notebook computers from Hewlett Packard.  Processors available are Intel Core 2 Duo dual-core chips with speed ranging from 2 to 2.8 GHz.  The standard display is 17" with a resolution of 1440x900 dpi.  The Infinity display, which stretches the display glass to the edge of the computer, is optional, as is an enhanced display which boosts the resolution to 1680x1050 dpi.  The standard graphics adapter is an NVIDIA GeForce 9200M with 256MB dedicated memory, with an available upgrade to an NVIDIA GeForce 9600M with 512MB of dedicated memory.   Other display options available are a webcam and a fingerprint reader.  Wi-Fi networking is included, using the Intel WiFi Link 5100AGN networking system, and Bluetooth support is optional.  The optical drive is a SuperMulti 8X DVD+/-R/RW with Double Layer Support, with Lightscribe and Blu-Ray ROM options available as well.  The operating system is Windows Vista Home Premium (32 or 64-bit) and upgrades to Vista Business and Vista Ultimate are available.  The standard battery is an 8-cell LiOn.  The weight on the average configuration of the dv7t series is 7.64 lbs.