3 monitors 2 outputs

[MarkosMark]

I got a new desktop which uses the internal gpu of the i7-7700, the Intel® HD Graphics 630. I want to use 3 monitors, extended not mirror, but my desktop has only 2 outputs. I don't really want to spend more then 10 bucks. What I do have are some older graphic cards like the Nvidia Quadro FX 3800, but the internal intel gpu is better. Can I just add a random older gpu for the 3th monitor and still use the intel gpu for processing?

 

[Wolfshadw]

It's possible, but it depends on your motherboard. If it allows you to continue to use the on-board (Intel) graphics when a discrete graphics card is detected, then you should be able to do so.

-Wolf sends

 

[MarkosMark]

It's a HP Elitedesk 800 G3. How can I check if my motherboard can do this? It's not mentioned in the manual

 

[Wolfshadw]

Turns out there are four versions of that system:

1) Tower
2) Small Form Factor (SFF)
3) Mini
4) All-in-One

If you have the tower for small form factor version, you could try adding a discrete card and see if you can still use the on-board graphics. See pg 18 of the User Specifications Document to see graphic card options.

-Wolf sends

 

[MarkosMark]

Sorry forgot to mention it, it's the tower version.
How can I see if I can use the on-board graphics? Should this be an option in the bios? Or can I chose this somewhere in Windows (10)?

 

[geofelt]

I see no reason why your quadro fx 3800 will not work.
You have the wherewithal to insert the card and try it.
Some motherboards will automatically direct the bios boot image to a discrete card when inserted.
Still, windows will support multiple graphics adapters and their associated drivers.