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S2721DGF, no USB-C signal after standby mode
Good afternoon. I do not know how to solve this problem. The problem is only when using a retail USB-C to DP cable. After the first turn on, the monitor works fine, but when the notebook falls asleep, the monitor does not see the laptop after that, while the notebook sees that the monitor is connected to it.
It works fine on provided cables (DP-DP, HDMI-HDMI).
I tried to turn off the DDC/CI, but there is no result. I also tried another USB-C to DP cable, the problem was not solved. The only thing I found is most likely unrelated, when using USB-C, the image is output by an intel graphics card, when using DP, the image is output by NVIDIA.
It works fine on provided cables (DP-DP, HDMI-HDMI).
I tried to turn off the DDC/CI, but there is no result. I also tried another USB-C to DP cable, the problem was not solved. The only thing I found is most likely unrelated, when using USB-C, the image is output by an intel graphics card, when using DP, the image is output by NVIDIA.
Roman Brocker
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May 22nd, 2024 10:32
Dell Support, where are you?
DELL-Chris M
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May 22nd, 2024 12:33
Dell did not test any 3rd party conversion cables with the S2721DGF. Dell Support agents can only assist with issues found when using the shipped from the manufacturer cables =
You will have to await other users to post their conversion cable testing. You should tell our users out here which specific notebook model and operating system.