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HP PCs and Tablets - About UEFI and the Startup Menu

UEFI overview
Unified Extensible Firmware Interface (UEFI) is firmware code from a chip on your motherboard that provides extra functionality, beyond the Basic Input/Output System (BIOS). UEFI is a way to do things with your computer before an operating system is loaded. To name a few features, UEFI can provide extra graphic menus and system information on a computer, and basic diagnostics on both a computer and a tablet. How does it do this? UEFI works with the BIOS to initialize the computer or tablet's hardware before handing hardware control over to the operating system. UEFI can also load and display software programs from storage devices to provide even more functionality, such as more detailed system information and extended hardware diagnostics.
Concept drawing of boot/startup flow showing  UEFI
Accessing UEFI applications
The Startup Menu provides access to UEFI applications and to the BIOS. The applications include different options for notebook and desktop computers and tablets. Use the steps in the following sections to run these applications from the Startup Menu or from the hard drive.
Desktop Startup Menu options
From the Startup Menu, you can access system information and diagnostics. The Startup Menu includes the following options for desktop computers. While running UEFI applications use the arrow keys and the enter key to navigate.
Desktop Startup Menu
Notebook Startup Menu options
From the Startup Menu, you can access system information and diagnostics. The Startup Menu includes the following options for notebook computers. While running UEFI applications use the arrow keys and the enter key to navigate.
Notebook Startup Menu
Tablet Startup Menu options
These options provide access to UEFI applications and to the BIOS on a Microsoft Windows-based tablet. The Startup Menu includes the options covered in the following sections. While running UEFI applications, use the touchscreen to navigate, except in the case of Boot Device Options, when a hardware keyboard is required. See the Boot Device Options - Tablet section for details.
Frequently Asked Questions about HP PC Hardware Diagnostics (UEFI)
Click a question below to find an answer to a frequently asked question about HP PC Hardware Diagnostics.

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