My Toshiba laptop suddenly shuts down by itself without any warning. Sometimes it works fine for hours, sometimes it shuts. Pls i need a graphics driver for my toshiba satellite L - S Zooming Utility, Toshiba PC Diagnostic Tool, Toshiba Flash Cards, Toshiba Components Toshiba l graphics driver. Toshiba l graphics driver. . found [ ] PCI: Using host bridge windows from ACPI; if necessary. Toshiba BIOS update: Prior to upgrading the BIOS please ensure the following: Notebook is undocked. Notebook is connected to the mains. Notebook must be.