I have a new Dell Vostro 460, that has onboard video, and an Dell-added a PCIe video card. It has 1 16x PCIe slot and 4 1x PCIe slots.
When I plug in a PCIe gigabit network card (link. lspci: 'Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 03)') in one of the 1x slots, the computer won't boot. At all. No error beeps. The power comes on, and then nothing. If I remove the add-on video card, and put the NIC in its slot, the computer, and network card, works fine.
The card 'seems' to be 1x PCIe, and its socket size also seems to suggest this.
Any idea what could be wrong?