The C855D-S5230 is an Toshiba Satellite 15.6″ C855-series notebook with the dual-core AMD E1-1200 processor and and an AMD Radeon HD 7310 graphics processing unit (GPU) on a single chip.
Are you looking Satellite C855D-S5230 Notebook Windows 8 64-bit Driver? Below is an the list of Windows 8 driver download links for Satellite C855D-S5230 Notebook, from Toshiba. So this will help you to update your Win 8 64-bit Drivers.