Resolved* PCIE x16 slot stuck at x1 mode while gaming

x1 pcie slot   Dan x16 slot

A PCIe x1 slot has exactly one PCIe lane to use, and the same rule will generally apply moving up the ladder through x4, x8, and x16 slots Each available PCIe

Here's the best way I've found and seen of modifying a PCIE x1 slot to fit a full-sized x16 card this mobo has three pci-e slots physically 1x16lanes ,2x1line What i found, the x16 slot is supporting only one pcie line according to

pin slot jaheira''s house Mağaza Pci Express X1 Adaptör Yükseltici Kartı Pcie X1 2*PCIe x1 5 EZ-Latch 6 Socket AM5 Supports AMD Ryzen Unlock the latch of the PCIe slot easily when remove the graphics card in the PCIe slot