HP PC Hardware Diagnostics 4-IN-1 USB KEY

For HP authorized service partners and IT professionals who need to support a mixed environment of older and newer HP/Compaq PCs, the HP PC Hardware Diagnostics 4-in-1 USB Key is a diagnostic tool that supports a wide range of HP Desktop and Notebook PCs. This Key includes HP PC Hardware Diagnostics Windows, HP PC Hardware Diagnostics UEFI, HP PC Docks and Displays Diagnostics Windows, and files supporting recovery of a corrupted BIOS on supported systems.