After updating to 10.14 Screen flickering issues happened most of the time for wide range of the MacBooks. Moreover, users may find that changing the monitor only results in a different screen flicker pattern. The issue may happen especially while some apps are running.

For example, some of the users report a series of flickering white stripes on the screen of a running terminal, particularly when pressing some keyboard keys. In other issues, the flicker manifests random different color lines. On a MacBook Air the story is different, the issue manifests as a black and white noisy screen when a DVI or VGA display is plugged via a standard adapter. On a newer MacBook pro, screen flickering 2018 MacBook Pro 10.14 is just the same story. The automatically flickers plague the displays on various brands of monitors ranging from DVI to HDMI.

However, a recurrent theme about these examples is clear that the flickers do not occur prior to a macOS 10.14 update. But also counting toward of the macOS 10.14 update can be the main reason of the flickers. This problem somehow is related to hold across various monitor models that are hooked up to the 10.14. This clearly convey that the main reason of these flickers is the macOS 10.14 update.

How to fix the problem of Screen Flickers after Upgrading to macOS 10.14

The resolution to these problems turn round the particular apps that the issue makes the most important effect In this case. Users also mentioned that the issue mostly happened when they are using Chromium. so, it appears the issue stems from compatibility issues involving the app, MacOS Mojave, and the NVIDIA graphics processing unit.

Now here are some easy ways to solve this flickering screen problem on macOS 10.14:

1. 1. 1. Uninstall Chromium Completely

The screen issue has been specially happened when you are using Chromium. In this regard, the developers of Chromium and other third party apps have been fighting with this situation from their side. But it doesn’t help the users from the final solution, specially because the flickering issue has proved to come with different layers of complexity. However, it’s recommended that you completely ditch Chromium for a different browser in this case.

1. 1. 2. Use the Terminal to Troubleshoot

This is an advanced method that could be risky for the nontech savvy to try. Launch Terminal on your Mac to open the Finder, and then select “Go” and then enter the following command by copy-pasting it exactly as it’s outlined thus:

You can replace the “Slack” in the address with the app that exhibits the flickering screen the most, but take care not to alter anything else as that might corrupt some files on your device.

1. 1. 3. Reset NVRAM

When the screen flickers take effect exactly when showing images while browsing the web, the best way around this can be resetting the NVRAM of your device. Resolving this issue involves rebooting your device. As you know the NVRAM is a kind of memory that can saves data automatically, even when the device is forcefully switched off, this issue will not go away when you just reboot your device. To resolve this issue, so, please switch off your Mac and then turn it back on, pressing down “Command” + “Option” + “P” + “R” keys continue this process till you hear some chimes or see the screen blinking twice during the restart. If that still doesn’t fix the flickering screen with macOS 10.14, reset the System Management Controller (SMC) as bellow:

1. 1. 4. Reset The System management

Controller (SMC):

This method applies only to portable Macs with an inbuilt battery like MacBook Air and MacBook Pro with Retina Display. Details of the steps for resetting the SMC of any other Mac device is also readily available on the web.

To reset the SMC, unplug the Mac’s external display, and then turn off the Mac. Make sure the device is connected to the MagSafe power adapter. Press down “Shift” + “Control” + “Power” for a couple of seconds and then release them simultaneously. This resets the SMC of the MacBook Pro / Air instantly. Afterwards, press the power button to boot the Mac, and once the Mac is booted, plug back the display.

Here are some common problems for Mac Book which we can repair at iRepex:

• • • Liquid / Water Damage Repairs
    • Logic Board Repair
    • Screen Replacement
    • Keyboard/Track Pad Replacement
    • SSD Hard Drive Upgrade