The Dreaded Blinking light condition.
Document explains the codes and "blinks" and provides information for known solutions
Readers with Notebook computers:
HP Notebook PCs - Computer Does Not Start and Emits an LED or Beep Code
Excerpted from the document
5.3 (blink) | System board | The embedded controller times out waiting for the BIOS. | Remove all accessory devices from the notebook. If the error code persists, contact support for possible repair. |
5.4 (blink/beep) | System board | The embedded controller times out waiting for the BIOS to return from system board initialization (end of POST). |
For those reading with Desktop Computers:
HP Desktop PCs - Computer Does Not Start and Emits an LED or Beep Code
Device Home Page - References and Resources – Learn about your Device - Solve Problems
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Categories: Alerts, Warranty Check, HP Drivers / Software and BIOS, How-to Videos, Bulletins/Notices, How-to Documents, Troubleshooting, Manuals / User Guides, Service and Maintenance Guide (Replacement Parts and Procedures), Product Information (Specifications), more
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