![]() It hasn't exploded yet (5 minutes and counting. Option "ModeValidation" "AllowNon60hzmodesDFPModes, NoEDIDDFPMaxSizeCheck, NoVertRefreshCheck, NoHorizSyncCheck, NoDFPNativeResolutionCheck, NoMaxSizeCheck, NoMaxPClkCheck, AllowNonEdidModes, NoEdidMaxPClkCheck"Īlso, to get the DELL U2711 monitor to accept those frequencies, it seems like this does the trick: Section "Monitor" To make it possible to create those modelines, you need to disable checks by Nvidia in /etc/X11/nf: Section "Device" They're collected from and Phil highland74's answers, and - and then playing hard with the dot clock on the first argument. # Add the modes you want to the available set for the output: Edit : Also working on laptop: ThinkPad X1 Extreme Gen2 with "GeForce GTX 1650 Mobile / Max-Q". Then I saved the resolution and choose the resolution.Ģ560x1440 working fine: Here's some xrandr numbers (30, 41, 55, 58 and 60Hz, all good), they work on my DELL 2711b monitor and " Pitcairn XT " graphics card, and a fat HDMI cable. So I connected my monitor, and in the NVidia driver where I could select the resolution I added the resolution 2560 x 1440 (60Hz, progressive). I must warn you that you must be sure that your monitor is capable of displaying that resolution, because apparently it is possible to damage your monitor of you set the resolution etc. Than after much digging I found that it is possible to create your own resolution (at least with my NVidia VGA driver). But just connecting to my IIYama XB2766QS gave me a max resolution of 1920 x 1080. So I used a HiSpeed 2160P HDMI cable (actually it also supports ethernet). ![]() I found that HDMI 1.3 and up need a High-Speed cable. Than I found that for some reason manufacturers cannot Always state the version of the HDMI they include (For my Asus I could not find it, although HDMI 1.3 is already quite old I did assume my laptop has at least HDMI 1.3). I am not sure if it will help you, but all I can tell you is that it worked for me.Īfter much digging I found that in theory a HDMI 1.3 device should be able to do this as long as a HiSpeed HDMI cable is used. Both of these connectors are not available on my laptop.īut as I didn't find a clear answer anywhere I thought I might let you know how I solved it. I have a ASUS K93S and a IIYama XB2776QS and only after purchase I found in the manual that in order to use 2560 x 1440 I could only use the DVI dual link port or the displayport. saving uncating history files.I found many questions from people wanting to connect their 2560x1440 monitor on a laptop that does not support display-port or DVI. System/Library/Frameworks/amework/Versions/A/CoreDisplay: the codesign_allocate helper tool cannot be found or used System/Library/Frameworks/amework/Versions/A/CoreDisplay: replacing existing signature Re-signing /System/Library/Frameworks/amework/Versions/A/CoreDisplay Patching CoreDisplay with patch version 1 (otool) Detected unpatched CoreDisplay on OS X 10.12 16A313a. Xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun M_xxx-Mini:~ admin$ /Users/admin/Downloads/mand exit _What may I do for getting function of the "mac-pixel-clock-patch-V2"? (for having the choice for 60Hz?) Resolving the copy-paste-problem with your Codeįor the moment I use only the HDMI-connection without the club-adapter.I tried to reinstall "mac-pixel-clock-patch-V2", but earned an error message* and cancellation of the script.I went back using HDMI 2.0 cable, only having "1080p HiDPI 30Hz".Problem: Sleep mode got back the situation of black screen: Only rebooting was helping.I got back the normal screen and could choose "1080p HiDPI 60Hz" in SwitchResX.I reinstalled the Mac OS 10.13.3 over the existing installation.I choosed the 2nd item of "1080p HiDPI 60Hz" in SwitchResX while using the "Club Displayport to HDMI adapter" -> black screen and I couldn't get back the normal screen although rebooting, only using HDMI or Displayport.Strange: the Samsung Monitor shows 30Hz and the SwitchResX shows 1080p HiDPI What can I do?
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