Slot swap failing with error: slot did not respond to http ping

error slotThank you Z440Roger for the reply, The Firepro W7100 was in slot 2. I did find the problem it seems that the card was not seating well on the slot #2. Removing and putting backArranque PCIe Training Error: Slot 1 Al arrancar un servidor PowerEdge 840, muestra en pantalla PCIe Training Error: Slot1 junto con mensaje parpadeando System Halted Si quitamos la