‎DIMM Slots 4 and 2 not working

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In the picture above, I have a spare DDR4 DIMM B Ram slot on my Inspiron 15 3565

Does both the modules work on their own? If both modules work on their own, it's most likely a damagedfaulty board You didn't perhaps slip Memory modules come in various shapes and sizes, such as DIMM or SO-DIMM, and they contain a series of memory chips that allow a computer to store and access

baking bonanza slot slot *Wi Please refer to PCIe Bandwidth Table for details Chipset - AMD B650 Memory - Dual Channel DDR5 Memory Technology - 2 x DDR5 DIMM Slots - Memory modules come in various shapes and sizes, such as DIMM or SO-DIMM, and they contain a series of memory chips that allow a computer to store and access