تعريفات لابتوبات أتش بي HP Gxxxxx Notebook HP GTU Notebook HP GTU Notebook PC Synaptics TouchPad Driver. I understand you are having issues with the touchpad not working on your HP notebook. Don't worry we'll work together to find a solution for Missing: G TU. This page contains full list of Hewlett Packard HP G61 Notebook PC series Drivers available for free download. . This is Vista driver for Synaptics Touchpad.