PCIEx16 drops to x 8 when M2 SSD is installed???

pcie slot x16   Dan pcie 1 slot

I tried the clear CMOS procedure again and that didn't fix the issue I tried a GTX 750 ti(that uses the power of the slot and not external

if the slot is open like that, you should be good to go if it's not open, you could a) use another riser to adapt the x8 to x16, or b) Verilux® NVME Adapter PCIe x16 with Gel Pad, NVME or AHCI SSD to PCIE Adapter Card for Key M 2230, 2242, 2260, 2280 Size SSD, Support PCIe x4 x8

slot machine malfunction lawsuit GEN5 PCIe x16 Slot injections fixture allows a Quarch Power Module to inject power into a PCIe GEN5 Card  I thought PCIe was superceding PCIX But I have 2 PCIe x 1 slots on my motherboard, 3 ordinary PCI slots and one which is