Acer H11h4-ad Motherboard Manual ((free)) Here

Primarily supports 6th and 7th Generation Intel Core processors (Skylake and Kaby Lake), such as the i5-6400 . It does not natively support 8th Generation chips like the i7-8700 due to chipset limitations.

If your system fails to boot after changing hardware components, clearing the Complementary Metal-Oxide-Semiconductor (CMOS) memory will restore BIOS settings to factory defaults. Method 1: The Jumper Method Power down the computer and unplug the AC power cord. acer h11h4-ad motherboard manual