It is a tool developed by HP to help users diagnose and fix ... This should work. Read next: Keyboard or Mouse not working in BIOS. Why is my PC not powering my mouse and keyboard?

We will see this in detail in this post for Acer, ASUS, Dell, HP ... the BIOS settings for each PC manufacturer. Most commonly: F2 or Delete. On older computers: F1 or the key combination CTRL ...