Users say that the problem does not appear on external displays connected to the iMac, pointing to a screen ... a voltage of around 50V when the display brightness is set to high or maximum.
It does not appear to be a software problem or a GPU problem – an external ... repairs the iMac accommodatingly, but sometimes it demands hundreds of euros for the display replacement.
Besides that, this iMac also has two Thunderbolt 3 (USB-C) ports so that you can connect devices to it easily, including an external hard drive if you need more space. Effectively, the 21.5-inch ...