How to Enable a PCI Express Card Slot (2024)

The PCI Express slot on your motherboard allows you to connect video cards using the PCIe bus standard. Most motherboard models also feature an integrated graphics chipset that allows you to run your computer without having to install a PCIe video card. If your computer uses an integrated graphics chipset as its primary display adapter, you must first enable the PCI Express slot from the BIOS menu before switching to a PCIe video card.

  1. 1.

    Open the BIOS menu. Pressing the “F2” or the “Del” key during computer startup usually takes you to the BIOS menu.

  2. 2.

    Select the “Advanced” tab using the left/right arrow keys.

  3. 3.

    Select the “Video Configuration” option using the "Up/Down" arrow keys. Certain motherboard models list this option as “First Display Device” or “Primary Display Adapter."

  4. 4.

    Select the “PCI-Express Graphics" option and press “Enter.”

  5. 5.

    Press "F10" to save the new settings. You can now use the PCI Express card slot to install a PCIe video card.

How to Enable a PCI Express Card Slot (2024)

FAQs

How to Enable a PCI Express Card Slot? ›

From the System Utilities screen, select System Configuration > BIOS/Platform Configuration (RBSU) > Network Options > Network Boot Options > PCIe Slot Network Boot and press Enter. Select a PCIe slot entry and press Enter.

How do I activate the PCIe slot? ›

From the System Utilities screen, select System Configuration > BIOS/Platform Configuration (RBSU) > Network Options > Network Boot Options > PCIe Slot Network Boot and press Enter. Select a PCIe slot entry and press Enter.

How do you unlock a PCI Express slot? ›

Releasing the Locking Mechanism

The PCIE slot has a small locking clip or latch that secures the GPU in place. To release the lock, gently push down on the clip with your finger or if necessary, use a plastic card to avoid damaging the motherboard. Some slots have a lever-type lock that you should push aside.

How do you enable a PCI device? ›

From the System Utilities screen, select System Configuration > BIOS/Platform Configuration (RBSU) > PCI Device Enabled/Disable and press Enter. Select a device on the system from the list and press Enter.

How do I test my PCI Express slot power? ›

By simply plugging in the card, and powering up, you can quickly confirm if the PCIe slot is correctly powered by way of dedicated indicator LEDs for each power pin on the PCIe connector.

Why is my PCIe slot not detecting my card? ›

Make sure the PCI/PCIe slot is clean. You can use a brush to gently clean the slot. Open Windows Device Manager to scan for hardware changes and check if there are any warnings or errors. If there are any warnings or errors, follow the instructions in the warnings or errors to resolve them.

How do I activate my PCIe network card? ›

Use the PCIe Slot Network Boot option to enable or disable UEFI network boot for NIC cards in PCIe slots. From the System Utilities screen, select System Configuration > BIOS/Platform Configuration (RBSU) > Network Options > Network Boot Options > PCIe Slot Network Boot.

How do I connect my PCI Express card? ›

Procedure. Open the controller module side panel, if necessary, slide off the PCIe card filler plate, as needed, and install the PCIe card. Be sure that you properly align the card in the slot and exert even pressure on the card when seating it in the socket. The adapter must be fully and evenly seated in the slot.

How to enable PCI Express in CMD? ›

Open the Windows Command Prompt with administrative privileges. This can be done by searching Windows for 'cmd', right-clicking on the Command Prompt application, and selecting 'Run as Administrator'. Enter the following command: "bcdedit /set pciexpress forcedisable". Reboot the system twice.

How do I enable PCI Express native control? ›

From the System Utilities screen, select System Configuration > BIOS/Platform Configuration (RBSU) > Advanced Options > PCI Express Native Control and press Enter.

Can a PCIe slot be faulty? ›

If you get dust, bugs, or something grounds the PCIe slot or connects across leads/runs….or it got liquid on it form liquid cooling. If the power supply surged, or if Card fried it could also take out the slot. Or if you put in and removed cars along, the connectors could wear. A lot of factors, but it can fail.

What tool is used to test PCI slot? ›

The protocol analyzer is a versatile PCI Express product tool for bus throughput and link performance measurement as well as packet monitoring and recording.

Do I need to power the PCIe? ›

In fact, neglecting to connect the PCIe power could result in system instability, crashes, and even potential damage to the components. Therefore, it is crucial to ensure that all necessary power connections, including the PCIe power, are properly plugged in to guarantee the smooth operation of your computer.

How do I enable power on my PCIe? ›

Enable “Resume By PCI or PCI-E Device” in the Wake Up Event Setup. 3. In Windows device manager, go to “Network adapters” -> "Power Management” tab, and checked in the boxes [Allow this device to wake the computer].

Where is PCIe setting in BIOS? ›

From the System Utilities screen, select System Configuration > BIOS/Platform Configuration (RBSU) > PCIe Device Configuration > Advanced PCIe Configuration. Select settings.

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