Launch the System Preferences of the MacBook and open Accessibility.In this context, disabling the feature of Shake Mouse Pointer to Locate may solve the problem. Disable Shake Mouse Pointer to LocateĪlthough the feature of locating the mouse pointer (by shaking it) is quite nifty but it may cause the issue at hand as the feature interferes with the display modules of the Mac. If no more update is available at step 2, then you may try to downgrade (from an older backup) the OS of the MacBook (if the issue started after an OS update). Once the OS of the MacBook is updated, check if its screen flickering issue is resolved.If an update is available, click on Update Now (or Upgrade Now) and let the update download and install.Open Software Update in the Mac’s Preferences Launch the System Preferences of the MacBook and open Software Update.But before proceeding, make sure to back up the system by using the Time Machine. In this case, updating (or upgrading) the OS of the MacBook to the latest release may solve the problem. Update the OS of the MacBook to the Latest BuiltĪn outdated macOS of the MacBook may cause the screen flickering as the OS may become incompatible with other modules/applications. Restarting the MacBook after removing all other devices (projector, external display, etc.) solves the issue.

Switching between different screen resolutions.

Expanding the Apple menu, selecting Restart, and clicking on the Cancel button.

Performing a battery drain of the MacBook.

Moreover, check if trying the following temporary workarounds (reported by users) solve the flickering issue:

You can fix your flickering Mac by trying the solutions below but before that, check if the screen flickering issue occurs in the MacBook’s safe mode. The issue occurs when the screen of the user’s MacBook starts flickering either vertical or horizontal lines of different colors are shown on the whole screen or a portion of the screen. Moreover, different MacBook settings (like Shake Mouse Pointer to Locate, Dark Mode, True Tone, etc.) may also cause the issue at hand. Your MacBook’s screen may flicker if the OS of the MacBook is outdated.

Windows 7 on macbook pro display issue