Diagnostics Error Messages - HP ZBook 15v G5 Maintenance And Service Manual

Table 7-16 Blinking lights (continued)
Items
Note

Diagnostics error messages

Table 7-17 Diagnostics error messages
Items
Symptoms
● Computer has power
● POST error message displays
(Windows logo has not yet
appeared)
Note
Procedures
3. If internal hardware components (memory, hard drive, etc.) have been recently added, a
component may not be connected properly. Remove and reseat new components
Reseat cables and connections on page
Since the display may not be functional, lights are used to indicate an error.
Procedures
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 firmware for the
component.
Troubleshooting steps
1. See 7. Status lights, blinking light codes, troubleshooting lights, and POST error
messages on page 85 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
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.
An Error Message means the system has finished BIOS hardware validation and is ready to
launch the Startup Menu. To access the Startup Menu for further options, press the
while restarting the computer.
88) one at a time.
88)
Common issues and possible solutions 101
(10.
Esc key