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On the recordRead 4 Oct 202623 facts
HP PC Hardware Diagnostics
On the record
- 4-in-1 USB Key
- The 4-in-1 USB Key combines Windows and UEFI diagnostics, dock and display diagnostics, and BIOS recovery files for supported systems; HP describes it for authorized service partners and IT professionals.support.hp.com · read 3 Oct 2026
- Boot troubleshooting
- When Windows cannot start, HP directs users to run UEFI diagnostics from the F2 startup menu or from a USB flash drive.support.hp.com · read 3 Oct 2026
- Compatibility limit
- Available tests can differ depending on the components installed on the computer.support.hp.com · read 4 Oct 2026
- Component checks
- Documented component tests include processor, memory, storage, power, audio, keyboard, network, and video checks.support.hp.com · read 3 Oct 2026
- Download options
- HP says the Windows tool can be downloaded from its diagnostics page or the Microsoft Store.support.hp.com · read 4 Oct 2026
- Failure reporting
- When a component fails, diagnostics can provide a 24-digit failure ID for contacting HP Customer Support.support.hp.com · read 4 Oct 2026
- Fast test
- The Windows Fast Test checks disk read, video memory, wireless, CPU stress, and battery, and takes about 3 to 5 minutes or more depending on system configuration.support.hp.com · read 4 Oct 2026
- Hardware compatibility
- HP states that UEFI diagnostics tests can only be performed correctly on genuine HP hardware and does not guarantee operation on other companies’ products.support.hp.com · read 3 Oct 2026
- Intended users
- The 4-in-1 USB Key is described for HP authorized service partners and IT professionals supporting mixed environments of older and newer HP/Compaq PCs.support.hp.com · read 4 Oct 2026
- Other diagnostic tools
- HP also offers a Windows tool for diagnosing connected HP dock and display hardware.support.hp.com · read 3 Oct 2026
- Preinstallation
- HP PC Hardware Diagnostics Windows comes pre-installed on new HP computers.support.hp.com · read 4 Oct 2026
- Purpose
- HP provides diagnostic software to test computer hardware components and confirm hardware failures.support.hp.com · read 4 Oct 2026
- Remote diagnostics
- Remote PC Hardware Diagnostics UEFI can be configured to download and run UEFI diagnostics and optionally upload a diagnostic log through F10 setup on select business products.support.hp.com · read 3 Oct 2026
- Support
- HP’s diagnostics support page directs users who receive a 24-digit failure code to enter it with their product number to start a repair process.support.hp.com · read 3 Oct 2026
- Supported Windows versions
- The current Windows tool supports Windows 10 and Windows 11.support.hp.com · read 4 Oct 2026
- Test coverage
- The documented component tests include processor, memory, storage, power, audio, Bluetooth, fan, keyboard, mouse or touchpad, network, and video tests.support.hp.com · read 4 Oct 2026
- UEFI diagnostics
- HP PC Hardware Diagnostics UEFI runs outside the operating system to help identify, isolate, and diagnose hardware issues.support.hp.com · read 3 Oct 2026
- UEFI version
- HP PC Hardware Diagnostics UEFI runs outside the operating system to help identify, isolate, and diagnose hardware issues.support.hp.com · read 4 Oct 2026
