Plug the CMOS battery and main battery back in, reassemble the case, and turn on the machine. The InsydeH2O utility will reset to its default, safe state.

The you want to achieve (e.g., undervolting, fixing boot issues)

(Invoking related search suggestions.)

Toggles hardware-assisted virtualization required for running virtual machines and emulators.

Turn off the computer, unplug the power cable, and remove the primary battery if it is removable. Unscrew the bottom chassis panel to access the motherboard. Locate the small, circular silver coin-cell CR2032 battery.

Changing the hexadecimal value for the Advanced Menu from 00 (Disabled) to 01 (Enabled). Flashing the modified BIOS back to the motherboard. Part 2: Key Settings inside the Advanced Menu

If you are trying to install a clean version of Windows and your drive isn't showing up, toggling this (or disabling VMD controllers) is often the fix. 3. CPU Configuration (Thermal & Power)

: Enables your processor to run virtual machines (VMs) efficiently. Turn this Enabled if you use VirtualBox, VMware, or Windows Hyper-V.

Unlocking the Hidden Power: InsydeH2O Setup Utility Rev 3.5 Advanced Options Guide

If the "Secure Boot" option is grayed out, you often must first set a Supervisor Password in the Security tab to unlock it. Thermal and Power Limits: