The user can select which items to test and once the desired components are selected, the PC Diagnostic Tool can commence tests by clicking 'Start Diagnostic'. The second panel included with TOSHIBA PC Diagnostic Tool provides access to quick tests to check the status of hardware components. The application contains two panels, one for basic information about the device such as system information like the model name, model number, Windows version, installed CPU, memory, disk, etc. TOSHIBA PC Diagnostic Tool is a free software utility for owners of Toshiba-branded PCs and laptops which displays some basic information about installed hardware components. Basic hardware information display for Toshiba PC systems.