Can i use ddr4 ram with another ddr3 ram

I install the ddr4 ram it had before and it powers on, fans start, ok lights up, monitor turns on but has no visual and turns down

Is DDR4 backward compatible with DDR3, DDR2 and DDR1? All DDR memories are mutually incompatible The DDR234 DIMMs can only be used on their respective DDR2

ddr3 slot No, you cannot install DDR4 RAM in the DDR3 slot as DDR4 has no backward compatibility Takeaway RAM has a great impact on your system's speed

ddr3 in ddr4 slot It's a good question, because DDR3 and DDR4 hardware are incompatible, meaning DDR4 motherboard slot made for DDR3 or DDR5 DDR (double data