Identify notebook model - Which laptop do I have?
The exact model designation is usually on a label on the back of the notebook. They need this to identify the notebook model.
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How to identify my notebook model?
L21806-001 original HP display-cover 39.6cm (15.6 Inch) black
L21811-001 original HP display-cover 39.6cm (15.6 Inch) black (silver logo)