Member Avatar for Hwol

I have connected one monitor to my motherboard and one to the video card,the monitor connected to the motherboard wont even switch itself on.

any ideas?

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A few practical checks and next steps that build on and without repeating what was already said.

Start simple: verify each monitor and each cable individually by attaching one monitor at a time to a known-good output. Check the monitor OSD/input selector — some screens do not auto-switch when the signal is changed. If a screen reports “No signal” try a different cable or port to rule out a bad lead or socket.

Know the adapter limits: a passive DVI-to-VGA adapter only works if the DVI port is DVI-I (it has four small pins around the flat blade). DVI-D is digital only and will not drive VGA with a passive adapter — an active converter is required. If a DisplayPort is available, it can drive multiple monitors via an MST hub or daisy-chain (monitors must support it).

If using the motherboard and a discrete card together is required, look in the motherboard UEFI/BIOS for settings named like iGPU Multi-Monitor, IGD Multi-Monitor, Internal/Onboard Graphics, Primary Display, or Init Display First. Enabling the right option and installing both vendors drivers (integrated and discrete) usually makes both adapters visible in Device Manager. After Windows sees both GPUs use Display Settings or the GPU control panel to Detect and Extend displays.

If that still fails, practical alternatives are a dual-output card, a powered active converter for incompatible ports, a DisplayPort MST hub, or a USB 3.0 DisplayLink adapter for a third, low-demand screen. Updating motherboard BIOS and GPU drivers before changing hardware often fixes strange detection problems.

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Member Avatar for dimsums

A normal behavior for this setup, when an external video output are detected, it will disable the onboard video output, what you need is a video card with dual output, and lucky for you, most do today, even the cheap $30 ATI or nVidia will support twin view.

commented: Great advice +11
Member Avatar for Hwol

A normal behavior for this setup, when an external video output are detected, it will disable the onboard video output, what you need is a video card with dual output, and lucky for you, most do today, even the cheap $30 ATI or nVidia will support twin view.

i have a video card that has both vga and dvi, i will just swap them.

Thank you

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