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<blockquote data-quote="mafocari" data-source="post: 1900419" data-attributes="member: 407922">I've had a three monitors connected to the back right USB-C port on my MacBook 2019, all through a 3-port adapter I bought at Walmart, and even the slightest little static shock from my pants or whatever to the table can cause the monitor to blank out, and sometimes stay off, so that the monitor appears to not be aware that there's output going to it from the Mac, but the Mac doesn't seem to be aware that the monitor is not aware of the Mac. It's a bizarre situation.I can try a USB-C to DVI cable, but I had a USB-C to DisplayPort cable on the adapter before.I could try replacing the adapter with a USB-C to DVI cable, but I don't know if that will fix it. I don't know how much money I'll have to spend to fix it. The problem could be the Mac, the adapter, the table... I don't know. My first monitor is coming from the front left USB-C port to HDMI, and the previous monitor was USB-C to DisplayPort.Have you experienced problems like this with the Mac or a port? Maybe the adapter is not well shielded, but maybe the Mac has an issue. I'm not sure how to figure out if the Mac or that port has an issue.</blockquote>

[QUOTE="mafocari, post: 1900419, member: 407922"] I've had a three monitors connected to the back right USB-C port on my MacBook 2019, all through a 3-port adapter I bought at Walmart, and even the slightest little static shock from my pants or whatever to the table can cause the monitor to blank out, and sometimes stay off, so that the monitor appears to not be aware that there's output going to it from the Mac, but the Mac doesn't seem to be aware that the monitor is not aware of the Mac. It's a bizarre situation. I can try a USB-C to DVI cable, but I had a USB-C to DisplayPort cable on the adapter before. I could try replacing the adapter with a USB-C to DVI cable, but I don't know if that will fix it. I don't know how much money I'll have to spend to fix it. The problem could be the Mac, the adapter, the table... I don't know. My first monitor is coming from the front left USB-C port to HDMI, and the previous monitor was USB-C to DisplayPort. Have you experienced problems like this with the Mac or a port? Maybe the adapter is not well shielded, but maybe the Mac has an issue. I'm not sure how to figure out if the Mac or that port has an issue. [/QUOTE]

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