Is integrated video output disabled when installing a graphics card?

jc.norreel

Prominent
Aug 19, 2017
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510
Hi,

I am fighting with a MSI Geforce GTX1060 in a new system. Basically, when I plug it in the PCI slot, I do not have any video output using the MOBO integrated video output (M5 Z270 and i5). I was thinking that there might have been an issue with the BIOS but I read something that I would like to confirm

1. Is the integrated video output automatically disabled when plugging a graphics card?
2. Am using HDMI output. Is it true that HDMI will only be working when the drivers are installed. My system is completely new...No windows, no drivers, nothing....

Any comments welcome.
Thank you