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To enable a processor’s integrated graphics (iGPU), first confirm that the CPU actually includes graphics and that the motherboard supports that processor. Enter the firmware setup during startup, choose the integrated adapter as the primary display device, save, and connect the monitor to the motherboard’s HDMI, DisplayPort, or USB-C output. If you need the discrete graphics card and the iGPU active together, enable the firmware’s multi-monitor option instead of disabling the add-in card.
Names and locations differ by motherboard model. MSI, Gigabyte, ASUS, and ASRock use different labels for the same decisions, so the exact manual for your board remains the final authority. Intel also notes that some desktops automatically disable integrated graphics when a discrete card is detected, although a firmware setting may allow the iGPU to be enabled again (Intel support).
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Check compatibility before changing firmware
Verify that the processor has integrated graphics
A motherboard video connector is only usable when the installed processor provides an integrated graphics engine. The connector itself does not add graphics capability, and a discrete PCIe graphics card cannot create an iGPU for a processor that lacks one. Check the exact CPU model specification and confirm that the motherboard BIOS or UEFI supports that processor generation before looking for an integrated-graphics option.
Some desktop processors are sold in variants without integrated graphics. On those systems, the motherboard HDMI, DisplayPort, and USB-C video sockets remain inactive regardless of the setting you choose. If the CPU has no iGPU, the display must be connected to a supported discrete graphics card.
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Know which adapter is currently driving the screen
When a discrete graphics card is installed, many desktops automatically select it and may disable the processor graphics. This is normal firmware behavior, not proof that the motherboard connector is defective. Enabling the iGPU requires selecting it as the boot or primary adapter, or explicitly enabling a multi-monitor mode that keeps both adapters available.
Prepare a recovery path
Changing the primary adapter can temporarily remove video output if the monitor is connected to the wrong socket or the selected option is incompatible. Before entering setup, identify the motherboard model, download or open its manual on another device, and know where the board’s CMOS-clear procedure is documented. Keep the monitor cable ready for both the motherboard and discrete-card outputs. These preparations let you restore defaults without guessing if the screen remains blank.
Enter BIOS or UEFI during startup
Restart the computer and press the setup key specified by the motherboard documentation as soon as the system begins its power-on sequence. The key and timing vary by manufacturer and model; common keys are not universal, so use the board manual or the startup message rather than assuming a particular key.
Modern boards use UEFI, the firmware standard that replaced the older BIOS interface. The graphics controls may appear in an easy mode or an advanced mode. If the first screen shows only a simplified dashboard, switch to the board’s advanced view before searching for graphics settings. Intel emphasizes that the method of accessing this setting differs for every motherboard manufacturer, so the model-specific manual is the reliable reference (Intel support).
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Set the integrated adapter as the primary display
Use this procedure when you want the motherboard’s video connector to be the main display output and do not need the discrete card to drive another monitor.
- Open the graphics configuration page. Look under menus such as Advanced, Chipset, System Agent, or Graphics Configuration. The wording depends on the board.
- Find the primary-display or initial-output control. It may be called
Initiate Graphics Adapter,Primary Video Device,Initial Display Output, orPrimary Graphics Adapter. - Choose the integrated option. Select
IGD,IGD Video, orOnboard, according to the terminology used by your firmware. These values tell the system to initialize processor graphics first. - Leave multi-monitor disabled when the discrete card is not needed. If the menu offers a separate iGPU multi-monitor switch, it is intended for simultaneous use of both adapters, not for a simple primary-output change.
- Save and reboot. Use the firmware’s save-and-exit command, allow the computer to restart, and wait for the operating system to load.
- Move the cable to the motherboard connector. Connect the monitor to the rear-I/O HDMI, DisplayPort, or USB-C socket associated with the processor graphics. A cable connected to the discrete card tests only the discrete-card path.
If the monitor does not show a signal after the reboot, shut down and move the cable back to the adapter that was previously working. Re-enter firmware, restore the previous primary setting or load defaults, and retry only after confirming the CPU, board, and connector combination.
Vendor terminology and menu paths
The following labels are documented examples. Your firmware may place them in a different submenu or expose fewer choices because of the processor and chipset.
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| MSI | Settings > Advanced > Integrated Graphics Configuration; Initiate Graphics Adapter = IGD |
Initializes the integrated graphics adapter as the boot display. |
| Gigabyte | Primary Video Device or Initial Display Output = IGD Video |
Selects onboard graphics for the initial display. |
| Gigabyte | Integrated Graphics = Auto, Disabled, or Force |
Force keeps onboard graphics active when a PCIe graphics card is installed. |
| ASUS | Graphics Configuration > iGPU Multi-Monitor |
Enables the integrated adapter and add-in graphics to drive displays together. |
| ASRock | Primary Graphics Adapter = Onboard |
Selects the motherboard output on supported platforms. |
| ASRock (some Intel boards) | Advanced > Chipset Configuration > IGPU Multi-Monitor |
Keeps the processor graphics available alongside a discrete card. |
MSI: choose IGD for the boot display
On the documented MSI path, open Settings, select Advanced, and enter Integrated Graphics Configuration. Set Initiate Graphics Adapter to IGD, save, and reboot. After the restart, connect the monitor to a motherboard HDMI, DisplayPort, or USB-C port. MSI’s guidance specifically directs users to the rear-I/O display connectors when output comes from processor graphics.
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Gigabyte: distinguish initial output from forced availability
Gigabyte firmware can expose two related controls. Primary Video Device or Initial Display Output set to IGD Video chooses onboard graphics for startup. Separately, Integrated Graphics may offer Auto, Disabled, and Force. Force keeps the iGPU active even when a PCIe card is present. When Force is selected, the firmware may also show UMA Frame Buffer Size, the setting associated with reserving system memory for integrated graphics.
ASUS: enable iGPU Multi-Monitor for both adapters
On ASUS boards, the relevant control is iGPU Multi-Monitor under Graphics Configuration. ASUS documents this option as required when the integrated and add-in graphics are both expected to drive displays. Enabling it does not by itself decide which connector your monitor uses; connect each screen to the adapter you intend it to use.
ASRock: select Onboard or enable IGPU Multi-Monitor
ASRock systems that expose Primary Graphics Adapter let you choose Onboard for side-panel motherboard output. Some Intel platforms additionally list IGPU Multi-Monitor in Advanced > Chipset Configuration when simultaneous output is supported.
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Choose between primary-only and multi-monitor operation
| Goal | Firmware choice | Where to connect the monitor |
|---|---|---|
| Use processor graphics as the only active display path | Set the primary or initial adapter to IGD, IGD Video, or Onboard; leave multi-monitor off. |
Motherboard HDMI, DisplayPort, or USB-C rear I/O. |
| Run displays from both the processor graphics and a discrete card | Enable iGPU Multi-Monitor, IGPU Multi-Monitor, or the board’s equivalent; on boards that require it, use Integrated Graphics = Force. |
Each display connects to the adapter assigned to it: motherboard ports for the iGPU and card ports for the discrete adapter. |
| Return to discrete-card output | Choose the discrete adapter or restore the previous primary setting; disable the multi-monitor option if it is no longer needed. | Discrete graphics-card HDMI, DisplayPort, or other supported output. |
Primary-adapter selection and multi-monitor mode solve different problems. Selecting IGD changes which adapter initializes first. Multi-monitor mode preserves both adapters so that ports on both the motherboard and the add-in card can be used. Do not enable the second mode merely because the motherboard connector is inactive; first verify that the CPU contains an iGPU and set the correct primary option.
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Connect the cable to the selected output
After saving firmware changes, use a cable and connector type shared by the monitor and the motherboard. The documented motherboard outputs for processor graphics are HDMI, DisplayPort, and USB-C, but a specific board may provide only one or two of them. Confirm the socket’s label and physical shape before changing cables.
A cable plugged into the discrete card cannot test whether the motherboard-output configuration worked. Conversely, a cable plugged into the motherboard cannot produce a picture when the CPU lacks integrated graphics or when firmware still initializes only the discrete card. If the monitor has several inputs, select the input matching the cable after the system reboots.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Troubleshoot a blank screen or missing option
The motherboard HDMI or DisplayPort remains dark
- Confirm that the processor model includes integrated graphics. A motherboard connector is electrically present on many boards even when the installed CPU cannot drive it.
- Check that the motherboard supports the processor and has firmware compatible with it.
- Verify that the cable is plugged into the motherboard rear-I/O connector, not a port on the discrete card.
- Re-enter setup and confirm that the primary adapter is set to
IGD,IGD Video, orOnboard, using the label your vendor provides. - If both adapters should remain active, enable the board’s iGPU multi-monitor control or, where documented, set integrated graphics to
Force.
The integrated-graphics menu is absent
Firmware hides graphics controls when the processor has no iGPU, when the chipset does not support the requested mode, or when a board’s firmware exposes only automatic selection. Read the exact motherboard manual rather than applying another vendor’s menu path. Intel states that BIOS access and setting names differ for every motherboard manufacturer (Intel support).
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Also check whether the board is in a simplified firmware view. Some settings appear only after switching to an advanced interface, but the names still vary by model. Do not substitute a similarly worded PCIe or discrete-graphics option unless the manual identifies it as the primary or integrated adapter control.
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The screen went blank immediately after saving
- Power the computer off completely.
- Move the monitor cable to the output of the adapter that worked before the change. If the new primary setting selected IGD, try the motherboard connector; if that produced no signal, try the discrete-card connector.
- Start the computer and re-enter firmware using the documented setup key.
- Restore the previous graphics selection or load the board’s default settings, then save and reboot.
- If firmware cannot be reached, clear the CMOS only through the motherboard manual’s procedure. The exact jumper, button, battery, or power-disconnection sequence is model-specific.
After defaults are restored, reconnect the monitor to the adapter selected by the reset configuration. Do not repeatedly change settings while the display cable remains on an output that the firmware is not initializing.
The discrete card disappears when the iGPU is enabled
Choosing the integrated adapter as primary does not necessarily make the discrete card unusable, but a board may disable or deprioritize it unless simultaneous graphics is enabled. If you need ports on both devices, turn on iGPU Multi-Monitor, IGPU Multi-Monitor, or the equivalent option. Gigabyte boards that document an Integrated Graphics value of Force use that value to keep onboard graphics active with a PCIe card installed.
Only one of several monitors works
Map each monitor to the adapter whose output you intend to use. A screen attached to a motherboard port requires the iGPU to be enabled; a screen attached to the discrete card requires that card to remain initialized. Check that the firmware is in the simultaneous mode when both groups of ports are needed. If a monitor still has no signal, test one screen at a time with a known-good cable and the corresponding adapter output.
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On documented Gigabyte firmware, UMA Frame Buffer Size appears when Integrated Graphics is set to Force. The option concerns the amount of system memory reserved for the processor graphics. It is not the control that selects the boot display; Primary Video Device or Initial Display Output performs that role. Change the frame-buffer value only when you understand the memory trade-off described by your board manual, and keep the primary-adapter setting separate from this capacity setting.
BIOS versus UEFI terminology and AMD guidance
People often say “BIOS” for any motherboard firmware, but current systems generally present a UEFI interface. The graphics concepts remain the same: select an initial adapter, optionally preserve both adapters for multi-monitor use, save, and connect the cable to the selected output.
AMD recommends UEFI mode for compatibility with newer Radeon graphics and directs users to system or motherboard documentation for exact settings. That recommendation does not create integrated graphics on a processor without an iGPU; it concerns firmware mode and graphics compatibility. Use the mode and options documented for your specific board and processor combination.
A practical decision checklist
- Need only motherboard video? Confirm the CPU iGPU, set the primary adapter to the integrated option, save, and connect the monitor to motherboard HDMI, DisplayPort, or USB-C.
- Need motherboard and discrete-card outputs? Enable the vendor’s iGPU multi-monitor setting; on boards that document it, use
Forceto keep integrated graphics active. - No integrated option? Verify the processor model and board support, then consult the exact manual. A discrete card cannot supply an iGPU setting.
- No signal after the change? Test the cable on the selected adapter, restore firmware defaults or clear CMOS using the documented recovery procedure, and retry with the monitor connected to the output being initialized.
Final takeaway
Enabling integrated graphics is a compatibility check followed by a firmware selection and a cable move. Confirm the processor has an iGPU, find your board’s primary-display control, choose the vendor’s integrated value, and connect the monitor to the motherboard output. Use the separate multi-monitor setting only when both the processor graphics and discrete card must remain available. Because labels and recovery steps are model-specific, the motherboard manual should guide every menu choice and any CMOS reset.
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