Diagnostics error messages
Items Procedures
Symptoms
● Computer has power
● POST error message displays (Windows logo
has not yet appeared)
Possible causes
Diagnostic error messages indicate a problem. There may be a problem with the
instruction being sent from the BIOS to a hardware component (e.g., keyboard
failures), or incompatible hardware. Can usually be resolved by installing updated
rmware for the component.
Troubleshooting steps
1. See 7. Status lights, blinking light codes, troubleshooting lights, and POST
error messages on page 68 for corrective actions. An example of a POST error
message is shown below.
2. If there is power, you may be able to access BIOS. Reset BIOS to its default
condition. (9. Soft reset (Default Settings) on page 71)
3. Restore hardware to its original condition (i.e., bootable solid-state drive
instead of hard drive).
4. Reseat suspected components and verify connection.
5. Test suspected components using HP PC Hardware Diagnostics (UEFI) tool.
Note An Error Message means the system has nished BIOS hardware validation and is
ready to launch the Startup Menu. To access the Startup Menu for further options,
press the Esc key while restarting the computer.
86 Chapter 6 Troubleshooting guide
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