Many external monitors have problems with macOS software because it hides the extra screen resolutions. The manufacturer designed the Pro model to handle 4k resolution displays. The adapter supports and purchases the product from a reputed brand. Yes, the latest Thunderbolt 2 and Mini DisplayPort have the same port.

You might be using USB-C to Thunderbolt 2 dongle. You are using the wrong DP cable and creating an unnecessary challenge for the Pro model.Ī. Millions are using after market adapters and cables or dock to connect external monitors. Apple stuck with Thunderbolt ports in the latest computers, and they are not planning to add HDMI or DP ports in the future. Mac computer released after 2019 has the latest Thunderbolt technology. Most Pro computers should detect the 1080p and 2k monitors by forcing the detection system. Your Mac should detect the new monitor in a second. Connect the power cable and turn on the monitor.ĥ. Wait for a few seconds, and I recommend a minimum of 30 seconds.Ĥ. Remove the power cable from the monitor.ģ. You can apply a temporary solution for the time being.Ģ. The Mac computer must have puzzled over the device type, and the adapter could be the reason for the secondary display detection failure. Many external display users utilize USB-C to DP dongles to create connections. Most software-based problems will resolve after rebooting the system. The software loads drivers, services, and background apps again. Reconnect the cables and turn on the macOS machine.Ī good night’s sleep gives the hardware to discharge the electricity. Let MacBook sleep for five minutes if you don’t have half an hour.Ĥ. Remove the external monitor power cable and HDMI cable.įollow my lead to turn off the Pro model.ģ. Remove all cables, such as charging cable, HDMI cable, Hub (dock), removable devices, etc.ī.

You have to let the notebook sleep for half an hour a day.Ī. Many Pro models don’t see a good night’s sleep for weeks. We will avoid using any third-party program to prevent any security loopholes. We will use third-party apps from the App Store select screen resolution. FIX: MacBook Pro is not Detecting External Display Visit Walmart or any online store to purchase a high-quality HDMI cable from a brand. Test the spare HDMI cable and connect the secondary display with the Pro model. Vmware start pxe over ipv4.The cables might be faulty, and grab a spare HDMI cable from the desk.

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