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HP Customer Support - Knowledge Base

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    Need Windows 11 help?

    Check documents and videos on compatibility, FAQs, upgrade information and available fixes. Windows 11 Support Center

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Lights blink or speaker beeps but the computer does not start

HP computers use blinking LEDs to identify startup errors.

If the LEDs near the caps lock or num lock keys blink (usually 1 to 8 blinks in a series) when you try to start the computer, go to HP Desktop PCs - Computer Does Not Start and Emits an LED or Beep Code or HP Notebook PCs - Computer Does Not Start and Emits an LED or Beep Code.

Note:

If a white AC adapter light blinks when a new notebook computer is used for the first time, the battery is still in Shipping Mode. To resolve this issue, turn off the notebook, connect the notebook to AC power, allow the battery to charge for at least 30 minutes, and then start the computer.

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Country/Region: Flag Ireland

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