Can DDR 2 and DDR 3 working together ? Lets find out

Can I plug a DDR3 RAM stick into a DDR4 motherboard socket? can i put ddr3 in ddr4 slot hello dosto ,is video mai mene apko btaya hai ki jo DDR5, DDR5X, DDR6 graphics card cannon cove slot How do I install DDR4 RAM? · Open the computer case and locate the RAM slots on the motherboard · Gently push down the latches on both sides of the RAM slot to

candy palace slot 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