Need to disable on-board graphics

[Pecohen]

I am having trouble with installation of a Nvidia GT1030 graphics card.  I believe the trouble is that both that card and the on-board graphics are installed and at boot-up the on-board graphics is being selected for use.   For this system, what is the best way to disable the on-board graphics?  

I have tried simply disabling the driver for the on-board graphics but then I get only a black monitor screen.  I've seen on-line the suggestion that I disable it in the BIOS but I do not see that option in my BIOS screen. 

[old_geekster · Accepted solution]

@Pecohen, welcome to the forum.

The first thing that you should do is make certain that the motherboard has UEFI and not a Legacy/standard BIOS.  The GT 1030 requires UEFI to operate properly.  If it does you should check to see if the power supply unit (PSU) has enough wattage for the card.  The integrated video should be automatically disabled when the card is installed.

Please click the Thumbs up + button if I have helped you and click Accept as Solution if your problem is solved.

[Pecohen]

Thank you for your comment - I did learn from it.  I had never heard of a UEFI bios but I did read about it.  HP does not provide one for my PC but they do recommend against installing any BIOS that they do not supply.   However, I did manage to get the board working to my satisfaction.  If it is not working properly then I have yet to discover the associated problems.

When I first installed the board it did occur to me to plug my monitor into it but I quickly realized that there was no VGA port on the card.  After I wrote my request here I discovered that the port that is there is a DVI port and I also learned that there are adapters that will connect a VGA monitor to a DVI port.  I ordered one; unfortunately UPS shipped it elsewhere so it took a week to eventually reach me.

With the adapter in hand I installed the board in my PC, connected the monitor to the card using the adapter and booted the PC.  To my surprise, everything seemed to work.  For good measure, I went into my system configuration and disabled the driver for the graphics support on the motherboard.  Graphics and video functions all seem to be working fine.  

However, after using the board for some time I came to realize that my PC now had no sound.  I looked at the back of the card to see whether there were audio connecters there and I discovered that in a sense there were.  There is an HDMI port on the card in addition to the DVI port and Nvidia's driver installer apparently directed the PC's sound output to the HDMI port.  A bit of searching through various menu selections in my control panel finally revealed the way to put that back the way I wanted it to be.