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A comment on Raspberry Pi 4 WiFi stops working at 2560 x 1440 screen resolution. Parent comment

Re:Raspberry Pi 4 WiFi stops working at 2560 x 1440 screen r... by albertgoeswoof on Thursday November 28, 2019 @04:43AM (#21655864)
I have a thunderbolt to 4 port usb 3 hub that when connected to a 2019 MacBook Pro interferes with the mouse pointer (it sticks and the pointer goes large every few seconds). Could this be related?
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Re:Raspberry Pi 4 WiFi stops working at 2560 x 1440 screen r... by cameronh90 on Thursday November 28, 2019 @06:39AM (#21656440)
That could be an electrical grounding problem. In my experience touchpads are very sensitive to the quality of the power supply.
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Re:Raspberry Pi 4 WiFi stops working at 2560 x 1440 screen r... by protomyth on Thursday November 28, 2019 @10:30AM (#21657953)
Yeah, we have crap power where I work and have cut down a lot of weird, random issues by buying a decent UPS for each worker machine. Even the people with laptops.
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