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RX 6600 XT Nitro+ Infinite Loop On/Off - Monterey as Ventura

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Feb 25, 2023
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Motherboard
ASUS ROG STRIX F370 Gaming
CPU
i9-9900K
Graphics
RX 6600 XT
Hello, I have installed Monterey (after having tried with Ventura) In both cases I get the same errors.
The card is a SAPPHIRE RX6600XT Nitro+.

The installation goes like a charm but once the system is launched, the screens connected in DisplayLink turn on and off at a rate of once every 7 seconds.

The display is smooth and clean but the screens behave as if they were disconnected and reconnected.

Surprisingly, if I plug in a screen and wait 4 seconds and then plug in a second one, they will do this on/off cycle keeping the lag.

I have an HDMI output which is perfectly stable though!

I have tried a lot of things.
Currently here are the arguments:
SMBIOS in iMac 18,3



... and the device properties on the screen captures ...
So ... help ?
 

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