F5F Stay Refreshed Hardware Desktop Check for a black screen in BIOS using just the display port.

Check for a black screen in BIOS using just the display port.

Check for a black screen in BIOS using just the display port.

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marcusanund
Member
62
02-11-2023, 01:58 PM
#1
I have problem with my monitor Samsung Odyssey G7 display port that I can't acces too PC BIOS due monitor show black screen with HDMI it work fine. I need display port due HDMI 2.0 is limited only 144 Hz 1440p and this monitor can run 240 Hz at 1440p. Over all display port work abnormal somtime even OS boot monitor show black screen until I do hard power reset for this monitor. I update to latest frimware still same. I hear that update displayport firmware on GPU can fix that but there is no update for 4070 Ti. Any idea how fix that ?
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marcusanund
02-11-2023, 01:58 PM #1

I have problem with my monitor Samsung Odyssey G7 display port that I can't acces too PC BIOS due monitor show black screen with HDMI it work fine. I need display port due HDMI 2.0 is limited only 144 Hz 1440p and this monitor can run 240 Hz at 1440p. Over all display port work abnormal somtime even OS boot monitor show black screen until I do hard power reset for this monitor. I update to latest frimware still same. I hear that update displayport firmware on GPU can fix that but there is no update for 4070 Ti. Any idea how fix that ?

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PeruckeTuch332
Member
75
02-17-2023, 04:28 AM
#2
Have you experimented with another DP cable? Can it connect to various devices?
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PeruckeTuch332
02-17-2023, 04:28 AM #2

Have you experimented with another DP cable? Can it connect to various devices?

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Xeitizen
Junior Member
8
02-17-2023, 05:32 AM
#3
I've tested various cables but the issue persists. Yesterday I upgraded my GPU from 2080 to 4070 Ti, yet the monitor display port continues to have problems. With the 2080 model, occasional issues appeared, but they were far fewer than with this new GPU. I also tried it with my old LG monitor, which functioned perfectly. It seems the problem might be related to deep sleep on the display port—though the option to disable it isn't available. On the 2080, I experienced a black screen after waking from sleep occasionally, and only a hard reset could resolve it. I've read that display port bugs can stem from UEFI BIOS, but switching to legacy mode isn't possible since I'm using Windows 11. When booting via HDMI, the display port works fine, but using it directly now results in a black screen.
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Xeitizen
02-17-2023, 05:32 AM #3

I've tested various cables but the issue persists. Yesterday I upgraded my GPU from 2080 to 4070 Ti, yet the monitor display port continues to have problems. With the 2080 model, occasional issues appeared, but they were far fewer than with this new GPU. I also tried it with my old LG monitor, which functioned perfectly. It seems the problem might be related to deep sleep on the display port—though the option to disable it isn't available. On the 2080, I experienced a black screen after waking from sleep occasionally, and only a hard reset could resolve it. I've read that display port bugs can stem from UEFI BIOS, but switching to legacy mode isn't possible since I'm using Windows 11. When booting via HDMI, the display port works fine, but using it directly now results in a black screen.

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xEIgoldo
Member
219
02-17-2023, 09:36 AM
#4
I discovered the setting in BIOS CMS and adjusted everything to UEFI should resolve the issue. It seems to function properly now compared to my previous attempt, though I’m unsure what CMS does or whether enabling it is beneficial. Also, it appears the resizable bar GPU works correctly when CMS is active.
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xEIgoldo
02-17-2023, 09:36 AM #4

I discovered the setting in BIOS CMS and adjusted everything to UEFI should resolve the issue. It seems to function properly now compared to my previous attempt, though I’m unsure what CMS does or whether enabling it is beneficial. Also, it appears the resizable bar GPU works correctly when CMS is active.

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Mitchell006
Member
186
02-18-2023, 06:01 PM
#5
I noticed the same problem with the same monitor. It’s frustrating because I have to plug in the HDMI cable just to access the BIOS settings. Could you clarify how you resolved it?
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Mitchell006
02-18-2023, 06:01 PM #5

I noticed the same problem with the same monitor. It’s frustrating because I have to plug in the HDMI cable just to access the BIOS settings. Could you clarify how you resolved it?

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xman75
Member
186
03-06-2023, 11:57 AM
#6
Turn on the BIOS feature for compatibility. By default, CSM is turned off when using UEFI firmware required for Windows 11. Display ports may appear faulty on some monitors, and the GPU can behave poorly if UEFI is enabled. You can activate CSM in UEFI firmware to mimic older BIOS settings and fix these issues. However, be aware of other potential complications such as Windows 11 compatibility, secure boot failures with legacy BIOS, and more.
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xman75
03-06-2023, 11:57 AM #6

Turn on the BIOS feature for compatibility. By default, CSM is turned off when using UEFI firmware required for Windows 11. Display ports may appear faulty on some monitors, and the GPU can behave poorly if UEFI is enabled. You can activate CSM in UEFI firmware to mimic older BIOS settings and fix these issues. However, be aware of other potential complications such as Windows 11 compatibility, secure boot failures with legacy BIOS, and more.