Two RAM sticks into a four DIMM slot motherboard which slots?

Dual memory slots + dual ports + SD card slot Videoconferencing DDR5 Dual channels Storage 2280

so finally, my questions are is there a fix for the dimm slots or is it time to try my luck with the warranty? and also if having 2 bad memory slots that

2020 slot 3 dilr Each processor, P0 and P1, has sixteen DIMM slots organized into eight memory channels Each memory channel contains two DIMM slots: a black DIMM slot (channel

2 slot gpu The number of memory slots can vary depending on the motherboard model and form factor Commonly, desktop motherboards have four memory slots, while laptop