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P5Ycho29
1 Copper

S2716DG, DP port stopped working

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Built my entire pc and booted just fine. Stepped away for a bit and the screen went to sleep mode and wont wake up. DP doesn't work. Read a bunch and no real fixes yet. switch cables, toss HDMI in and that works. Eventually got DP back working no idea how or what combo of restarting, pulling HDMI cable and reinserting. Sleep mode and its gone again. been back at it 2 hours and nothing. It seems that it thinks there were/are two monitors as well even though I only have the one. When I try to switch to DP it doesn't show anything, when I swap back the Nvidia control panel states "G-Sync display detected" so it seems to be a monitor issue. It wont install the DP driver either, just HDMI as it didn't detect a DP monitor when checking.

2 monitors.PNGfound 2 monitors.PNG

ASUS ROG STRIX GeForce GTX 1070 Ti
X470-f gaming motherboard

Please help, this monitor is useless right now.

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Re: S2716DG, DP port stopped working

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S2716DG, Power Reset

* Turn the PC and S2716DG off
* Disconnect every video cable from the GTX 1070
* Disconnect every cable from the S2716DG including the power cable
* Press and hold the S2716DG power button for 8 seconds
* Reconnect only the S2716DG DP to DP cable =
GTX 1070 DP out port --> S2716DG DP to DP cable --> S2716DG DP in port
* Reconnect the power cable to the S2716DG
* Turn the S2716DG on
* Turn the PC on

What appears on screen?

4 Replies
Moderator
Moderator

Re: S2716DG, DP port stopped working

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S2716DG, Power Reset

* Turn the PC and S2716DG off
* Disconnect every video cable from the GTX 1070
* Disconnect every cable from the S2716DG including the power cable
* Press and hold the S2716DG power button for 8 seconds
* Reconnect only the S2716DG DP to DP cable =
GTX 1070 DP out port --> S2716DG DP to DP cable --> S2716DG DP in port
* Reconnect the power cable to the S2716DG
* Turn the S2716DG on
* Turn the PC on

What appears on screen?

P5Ycho29
1 Copper

Re: S2716DG, DP port stopped working

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This "monitor hardware reset" seems to have worked.  Any idea why when it goes to sleep that it all goes awry?  I don't really want to re-enable to sleep modes for the fear of having to deal with this every time.  

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Moderator
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Re: S2716DG, DP port stopped working

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Unknown. Setting the Deep Sleep to Disable seems to fix many of these issues. Most users simply leave it at Disable and let the operating system handle sleep modes.

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GoldenWarrior7
1 Copper

Re: S2716DG, DP port stopped working

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This hard reset helped, Thanks! I removed the HDMI and did a hard reset of the power button on the monitor (had removed all cables from the monitor). I did not turn off the PC. On connecting only the Display cable to my PC, and powering the monitor back on after connecting the power cable, the monitor was able to function via the Display port! The G Sync option is now visible in the Nvidia control panel as well. 

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