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Is it normal that when you connect a GPU to a motherboard, the video output from the motherboard connectors disappear, and only the GPU connectors give the video output?
This is relevant to me because my motherboard has a good old VGA connector whereas my GPU only has DVI/HDMI and modern stuff, and the cheap, cheap screen I bought only has a VGA connector. And GPU doesn't even ship with DVI-to-VGA adapter...
SPECS (although this might not be so relevant):
Motherboard: Gigabyte Z77-D3H
GPU: Sapphire Radeon HD 7950
Screen: SAMSUNG SyncMaster S22B150NS (which is quite -let's say- basic...)
2This depends on the motherboard, but a Z77 board should support this. There's probably a BIOS setting to adjust the behavior (being unfamiliar with these boards I couldn't tell you what exactly it is, hence just leaving this as a comment). – Shinrai – 2012-12-19T00:06:33.563
This is often a BIOS/UEFI setting/option for whether onboard video is active or disabled when you've got a video card in the system. – ernie – 2012-12-19T00:19:00.113