How to replace the bios battery without removing the keyboard?

Laptop will not turn on after replasing bios battery.

Can't get motherboard out of laptop.

22h2 update not showing on brand new laptop.

Two cameras stop connenting at the same time.

Ethernet port on laptop rapidly flashing white.

Power on but no screen or hard drive activity.

Sound service keeps stopping.

Won't show anything on screen.

Headlight cover to blub is stuck and won't come out.