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Z270 Extreme 4 - Full HD Not Working |
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devfromjokela 
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Joined: 18 Oct 2020 Location: Jokela, Tuusula Status: Offline Points: 1 |
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 Topic: Z270 Extreme 4 - Full HD Not WorkingPosted: 18 Oct 2020 at 3:55pm |
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Wow! That works! Thank you!
Thank you very much! Finally got my monitor showing full HD. |
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Xaltar
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Joined: 16 May 2015 Location: Europe Status: Offline Points: 27683 |
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Posted: 12 Feb 2017 at 3:31am |
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Not sure if this is solved but for me setting "Video OpRom Policy" to UEFI only and leaving all others as "Legacy only" enables HD in the UEFI.
This is on the Z270 Gaming K6 but should work on all ASRock 200 series boards.
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wardog
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Posted: 31 Jan 2017 at 4:24am |
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MicD
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Posted: 31 Jan 2017 at 4:21am |
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MicD
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Posted: 30 Jan 2017 at 3:07pm |
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So I have tested the following:
- One HDMI cable, monitor to onboard - Loaded factory BIOS settings - Changed to Onboard and enabled iGPU under Chipset config - Enabled CSM and forced 'Video OProm Policy' Even with onboard graphics, STILL 1024x768. - Tried disabling CSM again - Reset to Dell factory settings Not having any luck folks. Edited by MicD - 30 Jan 2017 at 3:31pm |
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MicD
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Posted: 30 Jan 2017 at 6:43am |
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I could try this for testing purposes only. What about the other two options - PXE and Storage OpROM, shoud they be Legacy/UEFI only/Do not launch? I can confirm that Fast Boot works when CSM disabled of course, but happy to test above.
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Raptorta
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Posted: 30 Jan 2017 at 6:37am |
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Enable CSM and Force "Video OProm policy" to legacy only.
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MicD
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Posted: 30 Jan 2017 at 6:20am |
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No, I only use one output and that is DP. But I have been testing between HDMI/DP. Unfortunately I cannot use D-DVI as the Dell S2716DG only has HDMI & DP. And I only have one monitor to test on hand.
I will try this a bit later, thanks.
This has always been on AUTO for obvious reasons. There really should be an ON to force Full HD...
I was testing as below (under Chipset config menu)
Tested using HDMI and DP. Only difference is HDMI cannot handle 144hz (desktop) unlike DP. Both still low res when UEFI when booting.
Anything else that I need to change?
Yes unfortunately since I have installed it, it has never been displayed in Full HD. I also have only used one cable (DP) due to the 144hz capability. I am just frustrated as mentioned, it worked on an MSI Z170 using the same hardware, same cables but this ASRock board just isn't playing ball.
Edited by MicD - 30 Jan 2017 at 6:21am |
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MicD
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Posted: 30 Jan 2017 at 5:59am |
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I've tried the iGPU as mentioned, using HDMI as the ONE cable, Monitor>MB. Its still 1024x768 and Full HD as "auto" in advanced mode. I was hoping this would at LEAST work... Nope! Even with CSM disabled/enabled, there seems to be no difference.
The ASRock Z270 is the newest. All hardware was working 100% compatible when I had the MSI Z170 board displaying a Full HD UEFI. Edited by MicD - 30 Jan 2017 at 6:03am |
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clubfoot
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Posted: 30 Jan 2017 at 1:48am |
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Do you have more than ONE video output/input connected to your monitor simultaneously?
Only use ONE for trouble shooting. If you have D-DVI or DP us that. D-DVI is better. Reset your monitor display settings to factory default (just for testing). In UEFI, F6, go to Advance menu and select Advance as your default UEFI menu,...AUTO for resolution. Did you make any changes to the UEFI for display output? iGPU or PCI? Shut down your PC. switch off the power supply, disconnect the power plug,....wait a minute or so or press the PC power button to discharge the power supply. Reconnect power cord, switch on PS and power up the PC. Does the UEFI still show in 1024x768 with one video input connected? |
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MicD wrote: