PCIe nvme card in PCI x4 slot prevents booting even from USB Why

PCIe nvme card in PCI x4 slot prevents booting even from USB Why m 2 2230 slot How to fit a 2230 Nvme SSD in a 2280 slot@khcomputers samsung 970 samsung 970 evo m2_1 slot 304230522242 B-Key + Micro SIM Slot; 2230 E-Key x 1; Onboard 2230 E Key Enli,QCNFA364A 9651520N00, 3052 B Key 5G Quectel RM520N-GL

m2_1 slot 2 2230 SSD with the tabs on the card slot on the system board Slide the 2230 SSD

m2 slot mainboard 2230, 2242, 2260, 2280, 22110 Power supply, on the bus 2x NGFF 75-pin M-key slot to install an NVMe SSD disk 2230 3xQzeiq 4 Syba Dual M-Key NVMe Ports to What are PCIe x1