What is POST HotKey Delay?
POST HotKey Delay is a feature in the 'Boot Options' menu that allows users to press predefined keys during the Power-On Self-Test (POST) process before booting into the BIOS. The delay setting can be adjusted there, but it is set to 0 by default (Page 7).
From the official HP 15 Db0000 Laptop PC manual, page 7
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