If you miss the window, simply restart the machine and try again. The system will then reboot, and the monitor should display the logo of your dedicated graphics card as it initializes.
BIOS Settings For Integrated Graphics: Configuring Your System to Disable Onboard Graphics
" Select the option corresponding to the integrated graphics—often labeled as "iGPU," "Onboard Graphics," or "IGPU"—and change it to "Disabled. " Within these menus, you will find options such as Internal Graphics , IGPU Configuration , or Primary Display Adapter.
Disabling the Onboard Graphics Once you have located the correct menu, you will typically see a list of options such as "Auto," "Enabled," or "Disabled. The onboard graphics are hardwired into the CPU or the chipset, sharing system memory for rendering.
BIOS Settings For Integrated Graphics: Configuring iGPU Options
Preparing Your Hardware and Cables Physical preparation is just as important as the software configuration. Since manufacturers use different keys, you must identify the correct one for your specific hardware.
More About How to turn off onboard graphics
Looking at How to turn off onboard graphics from another angle can help expand the discussion and give readers a second clear paragraph under the same section.
More perspective on How to turn off onboard graphics can make the topic easier to follow by connecting earlier points with a few simple takeaways.