Dynabook Portege PT251C-05H012 Intel Graphics Driver 10.18.15.4268 for Windows 10 64-bit Feb 5, 2024
... - If installing from scratch, right-click the "High Definition Audio" controller. If updating the driver, right-click the "Intel Display Audio" controller. Click "Update Driver Software...". - Click "Browse my computer for driver software". - Click "Let me pick from a list of device drivers on my computer". ...