HP laptop: Caps lock blinks 5 long red, 3 short white
The embedded controller cannot reach the BIOS within its time limit.
Applies to: HP notebook PCs (HP’s article names no model list). HP says the codes identify a variety of issues on HP notebook PCs and does not list models, so check your model with HP Customer Support if the code is not on this page.
What HP says to do
- HP says to remove all accessory devices from the notebook.
HP says to contact HP Customer Support if the issue persists.
No repair advice of our own: semiatic gives no repair instructions of its own; beyond HP’s steps, ask HP Customer Support. What that means.
Counting the code and which HP models this table covers: reading HP blinks.
Source
HP’s own support page, read on the date shown.
- HP Customer Support: HP Notebook PCs - Computer beeps or a light blinks during startup — HP notebook PCs (HP’s article names no model list). support.hp.com Checked 2026-09-29.
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