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16 Posts

01-04-2019

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  • Message 11 of 17

Re: Video card suggestion needed

2019-07-01, 16:45 PM

Yes, that would be ideal...either using DP or HDMI.  Thanks!

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  • Message 12 of 17

Re: Video card suggestion needed

2019-07-01, 17:33 PM

The Lenovo GT 730 DDR5 in your system may support DP daisy chaining (but I can't find any specs on the DP version for this card), and the Nvidia specs for GT 730 state that 3 displays are supported per card. 

 

Providing your monitors are DP 1.2 or later, you may be able to connect 2 off one DP port, and 1 off the other port. 

 

Set your video setting in the BIOS back to 'Auto', so the the GT 730 is enabled, and give this a test. 

 

Driving Multiple Displays from a Single DisplayPort Output

 

how-to-daisy-chain-multiple-monitors-using-displayport-multi-stream-transport-mst

 

 

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16 Posts

01-04-2019

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  • Message 13 of 17

Re: Video card suggestion needed

2019-07-01, 20:06 PM

the monitors we have (Dell P2418D) do not support daisy chaining sadly...

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  • Message 14 of 17

Re: Video card suggestion needed

2019-07-01, 20:41 PM

One other option, is to use a USB display adapter.  It must support the 2560 x 1440 resolution you need, as most are 1920 x 1080, and probably at the usual 60 Hz refresh rate, not the 30 Hz that many of the higher res adapters support, unless the data you're wanting to display is sufficiently static that the lower 30 Hz will work.  What apps are you needing this monitor setup for?

 

I have used the Pro version of a StarTech 1920 x 1080, 60 Hz USB display adapter, and it worked well, providing it's not too graphically taxing:  No 3D, no design, photo or video editing, or gaming.   If you can do that work on the other two monitors connect to the GT 730, and do web browsing, documents and such on this monitor, it could work for you also. 

 

It will use memory and processor on the main system, ensure you have sufficient, StarTech recommends an i5 or better. 

 

Example:  StarTech - USB to Dual DisplayPort Adapter - 4K 60Hz - USB 3.0 (5Gbps)

 

 

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  • Message 15 of 17

Re: Video card suggestion needed

2019-07-01, 22:18 PM

I stand corrected, there is a recent x1 graphics card:   Anandtech -- Zotac releases PCIe x1 GT 710 graphics card - Apr 2016

 

The HDMI can only do high res at 30 Hz, if your monitor supports dual-link DVI, then 60 Hz is possible.  And it being a Nvidia 700 series card like your GT 730, would be nicely congruent with the existing card from a driver & config perspective. 

 

Update:  however, your system likely does not have the additional 25w of power this card needs.  A power calculation would need to be done. 

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  • Message 16 of 17

Re: Video card suggestion needed

2019-07-02, 17:41 PM

Well, this is surprising....after I downloaded and installed the latest BIOS update manually I still didn't see the Multi Monitor option in the BIOS, but when I switched back to Auto and rebooted the PCs all the DisplayPorts (onboard and on the GT 730) work! 

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  • Message 17 of 17

Re: Video card suggestion needed

2019-07-04, 16:00 PM

It may have been due to the BIOS update, but since this is a long-standing ThinkCentre feature, I suspect that it had more to do with enabling the Intel graphics for the first time with the 'IGP' setting.  This caused the driver to be loaded for the Intel graphics processor, so when it was switched back to 'Auto', enabling the GT 730, the ports on the Intel GP continued to be active.  The best result you could ask for. 

 

Important:  verify that the version of driver for the Intel UHD 630 is the same as what is up on the Lenovo driver download page for your system.  Otherwise, download and manually install. 

__________________________________________________________________________
I do not work for Lenovo. I do not respond to Private Messages for help, your questions should be posted in the appropriate forum where the information exchange may help others. If I helped you, click the 'Thumbs up' button, if solved, the 'Accept as solution'.
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