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Resolving Diagnostic Errors that Appear During Startup

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On startup, if a system problem occurs, you may encounter a variety of error messages. These error messages provide you and the HP Service technicians with information about what may have gone wrong with the hardware or software on the computer. If the error involves a hardware failure, the system generates a warranty ID code that validates the failure conditions for the customer support representative.

Troubleshoot other startup problems

If a computer does not start up, or displays an error message during the startup process, see one of the following documents:

More information about UEFI

Unified Extensible Firmware Interface (UEFI) is firmware code from a chip on your motherboard that provides extra functionality, beyond the Basic Input/Output System (BIOS). UEFI is a way to do things with your computer before an operating system is loaded. To name a few features, UEFI can provide extra graphic menus and system information on a computer, and basic diagnostics on both a computer and a tablet.
For more information, see About UEFI and the Startup Menu .

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