Not found ASUS X553M cmos battery

ASUS X553M laptop boot to bios setup automatically even without keyboard. I tried to replace cmos battery but I cannot locate CMOS battery inside its motherboard. Please help friends

I dont think that has a cmosbattery its all part oof the maun one? How to open Laptop Battery | ASUS X553M | by Lobby Tricks - YouTube

Thanks samuria. This laptop was issued by an institute 4yrs ago, It is booting straight to bios setup. How can we solve this?

What is it set to in Asus Manager that sets up the boot and CPU speed if you haven't got it you can download from Asus