Acer does not offer a standalone manual for the H11H4-AD. Instead:
Turn off the computer and from the wall. acer h11h4-ad motherboard manual
Before modifying your hardware, review the core specifications of the motherboard to ensure component compatibility. Intel LGA 1151 Chipset: Intel H110 Express Acer does not offer a standalone manual for the H11H4-AD
If your system fails to boot after a hardware change, clear the CMOS memory: Turn off the PC and unplug the power cord. acer h11h4-ad motherboard manual
Locate the 3-pin header near the motherboard battery.