![]() The problem was discovered on a brand new $4,500 15-inch MacBook Pro (Intel Core i9, AMD Vega 20, 32 GB RAM, 1 TB SSD). ![]() Most common remedies an enthusiast could think of, such as disabling the auto-switching between integrated- and discrete GPUs, and preventing the monitor from idling, don't appear to fix the problem. A reboot will make the flickering go away, however the next time the MacBook idles and decides to turn off its display, waking the machine will bring the flicker back. The problem persists even through reboots. The laptop tends to show severe screen flickering and lines crossing through the picture after waking up from extended periods of idling (after the display has turned off). Apple's MacBook Pro (2018) with the AMD Radeon RX Vega 20 graphics option appears to have a serious design flaw related to its video subsystem.
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