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Double display not working on Sony 4K

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lbts1
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2020/07/13 19:41:46 (permalink)
The EVGA RTX 2070 Super is not working with my Sony XBR55X900F TV as a second monitor.
 
Currently set up with regular monitor, an LG 27MP57HT-P as the Primary, Number 1 display monitor (displayport connection), but when I add the HDMI cable from my Sony XBR55X900F to the RTX 2070 port there is nothing on the Sony's screen, and the Nvidia card has now made it the Number 1 display.
 
This leaves me with the wallpaper showing on the LG and nothing else (no taskbar, start button, icons, etc.,) and no way to access the computer and get to the Nvidia control panel to attempt a fix.
 
Can anyone point me to instructions to get the EVGA 2070 to work with both displays?
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    bob16314
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    Re: Double display not working on Sony 4K 2020/07/13 22:59:57 (permalink)
    lbts1
    This leaves me with the wallpaper showing on the LG and nothing else (no taskbar, start button, icons, etc.,) and no way to access the computer and get to the Nvidia control panel to attempt a fix.


    Maybe press the Windows + P keys on your keyboard for Windows monitor display options, choose Duplicate and see how that rolls.

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    lbts1
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    Re: Double display not working on Sony 4K 2020/07/14 20:44:37 (permalink)
    Thanks for the reply, Bob. Windows + P brought control back to the LG monitor, but Sony still dead black.
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    arestavo
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    Re: Double display not working on Sony 4K 2020/07/14 20:48:25 (permalink)
    Have you made sure that the TV is set to the correct HDMI input that you are plugged into?
     
    Have you tried with just the TV hooked up?
     
    Have you tried a different HDMI cable?
     
    Have you tried a different HDMI port on the TV?
     
    Have you looked in the paper/online TV manual for what settings need to be set on the TV?
    https://www.sony.com/electronics/support/televisions-projectors-lcd-tvs-android-/xbr-55x900f/manuals
    post edited by arestavo - 2020/07/14 20:52:22

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    lbts1
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    Re: Double display not working on Sony 4K 2020/07/15 12:08:02 (permalink)
    Arestavo, thank you for your help.
     
    TV is set to the correct HDMI Input (has previously worked on this HDMI input for past year as second monitor with radeon card), and I've tried different cables, and different HDMI ports on the Sony TV.
     
    I tried your suggestion of TV only, had been planning to try that myself, and got flickering picture with lots of speckled dots throughout the screen. Was able to pull up NVIDIA Control Panel and attempted to make some changes, but the constant flickering on and off eventually freaked me out, leaving me scared for my $1200 TV, so I shut down. Back to the drawing board.
     
    If I can't figure this out I'll have to go back to a radeon card, and I really don't want to do that. Again, thanks for the help though.
    #5
    Sajin
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    Re: Double display not working on Sony 4K 2020/07/15 12:52:56 (permalink)
    Sounds like you may have a bad hdmi output on the gpu. Connect your lg monitor to the hdmi output on your gpu to see if it also flickers.

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    bob16314
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    Re: Double display not working on Sony 4K 2020/07/15 13:09:22 (permalink)
    See page 13 in the Driver Release Notes about 12bpc resulting in scrambled display..All I have.

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    #7
    lbts1
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    Re: Double display not working on Sony 4K 2020/07/15 13:26:25 (permalink)
    Sajin, same HDMI connection and cable to the LG to same HDMI port on the 2070 worked fine for a week.
     
    Bob, I'll check the release notes right now. Thanks to the both of you, I appreciate it.
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    lbts1
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    Re: Double display not working on Sony 4K 2020/07/15 13:53:51 (permalink)
    Well, we're kind of getting somewhere. Changed NVIDIA Control Panel color setting to Default instead of NVIDIA and the screen on Sony TV came up with correct Win 10 desktop, but the flickering continued.
     
    NVIDIA color settings were already set to 8 bpc (no other option available). Other settings are Desktop color depth: Highest (32-bit), Output color format: RGB, and Output dynamic range: Limited. Refresh rate set to 60Hz.
     
    Thanks again, Bob. If you think of anything else please let me know.
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    Sajin
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    Re: Double display not working on Sony 4K 2020/07/15 14:01:52 (permalink)
    Is the firmware on your tv up to date? Do older drivers from a few months ago cause the same flickering?
    post edited by Sajin - 2020/07/15 14:06:26

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    lbts1
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    Re: Double display not working on Sony 4K 2020/07/15 16:05:45 (permalink)
    Ah success. I got into the Sony's settings to check out the firmware version and came across an External HDMI section. I turned off High Quality HDMI and switched over to Standard HDMI. That worked!
     
    The High Quality HDMI referred to 4k 60P, 4:2:0 10 bit, 4:4:4, and 4:4:2.
     
    Thanks to all of you for all the help, and special thanks to Sajin for getting me to look at the TV side as the problem.
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    arestavo
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    Re: Double display not working on Sony 4K 2020/07/15 16:42:46 (permalink)
    👍👍

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    Sajin
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    Re: Double display not working on Sony 4K 2020/07/15 16:47:21 (permalink)
    👍

    Want to save 5 to 10% on your next EVGA purchase? Just click on the associates banner to save, or enter the associates code at checkout on your next purchase. If you choose to use my code I want to personally say "Thank You" for using it.
     

     
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    EVGATech_DanielM
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    Re: Double display not working on Sony 4K 2020/07/15 18:17:11 (permalink)
    This is why our community is the best. 

     
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    lbts1
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    Re: Double display not working on Sony 4K 2020/07/15 20:40:48 (permalink)
    I'm impressed. I co-founded the St. Louis IBM PC Users Group way back in 1982 specifically so people could help each other negotiate this new enlightenment called a PC, and I'm glad (and rewarded) that spirit of helpfulness continues to this day in places like this.
     
    I thought my question would sit out here waiting for a reply, as many have in the past. Instead multiple people immediately jumped in and made earnest efforts to help. Yeah, I'm very impressed and grateful; this community is the best!
     
     
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    cmattax
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    Re: Double display not working on Sony 4K 2020/07/16 04:49:29 (permalink)
    lbts1
    I'm impressed. I co-founded the St. Louis IBM PC Users Group way back in 1982 specifically so people could help each other negotiate this new enlightenment called a PC, and I'm glad (and rewarded) that spirit of helpfulness continues to this day in places like this.
     
    I thought my question would sit out here waiting for a reply, as many have in the past. Instead multiple people immediately jumped in and made earnest efforts to help. Yeah, I'm very impressed and grateful; this community is the best!
     
     


    Yes, this place is quite unique in the world of technology support and EVGA sells a lot of hardware because of it.  I never even consider other manufacturers anymore when new technology comes out but I might if these forums ever start to slip.


    But as to your problem, I also have a Sony 55 inch and I had a similar problem.  I had to buy a higher quality HDMI cable to be able to use the High Quality setting on my TV.  It has been a while since I did it so I don't have a link for you but that could help you to use the HQ settings.  I will say that, on my set anyway, the difference is noticeable but not dramatic when going from Standard to HQ.  Most video games look about the same and the latency is better on Standard.
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    lbts1
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    Re: Double display not working on Sony 4K 2020/07/16 16:52:21 (permalink)
    cmattax, I think you're right on the mark. Once I got this working with the standard setting I recalled seeing something about updated HDMI cables. I was just going to leave it be, my use being mainly for stock charts, but your mention that "the difference was noticeable" is enough for me to make the cheap investment in a new cable. Thank you for that. 
    #17
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