10 Ways to Fix Photos Flickering When Scrolling on macOS Catalina -Saint

10 Ways to Fix Photos Flickering When Scrolling on macOS Catalina -Saint.

Find that your photos are flickering when scrolling in your Mac (working macOS Catalina)?

In this time of disaster, we’re pressured to remain residence and if doable, do business from home. This is why it’s essential that your Mac should work with no points. To be sure that, you made positive that you simply use the most recent model of the working system, the macOS Catalina.

But what if the display screen in your Mac sparkles when you’re scrolling your image information?

Quite a few macOS Catalina customers from the Apple Support communities web page reported that the identical problem is disturbing them on a regular basis. This will be very irritating particularly when it turns your Mac into a totally ineffective machine.

This is why we made this text for you right now. We will present you a step-by-step process on how to establish the doable causes of this problem. With this, it is possible for you to to understand how to repair photos flickering when scrolling in your macOS Catalina problem.

Let’s dive proper in!


1. Adjust Screen Resolution.

Your Mac’s show decision determines the dimensions of objects and textual content in your display screen. But not all screens can assist high-resolution settings.

If you pressure your graphics card to unsupported excessive display screen resolutions, it’s going to malfunction. Hence with the intention to repair this problem, you’ll need to decrease your show decision.

To do that, merely click on on the Apple menu icon in your macOS Catalina and click on on the System Preferences choice.

Then, click on the Displays choice and select Display. Now select Scaled choice and alter the worth to decrease decision settings on the drop-down menu.


How to Fix Photos Flickering When Scrolling on macOS CatalinaHow to Fix Photos Flickering When Scrolling on macOS Catalina


Adjusting the display screen decision will make it easier to repair the photos flickering when scrolling on the macOS Catalina problem.

But should you take a look at the brand new settings and the issue continues to be there, let’s simply transfer to the subsequent technique to discover a good repair.



2. Adjust the Display Settings.

A workaround was talked about by a lot of Mac customers that helped them repair their flickering display screen points.

Apparently, they’ve noticed that this problem happens after their Mac comes back from Sleep mode. The repair was to disable the characteristic the place your display screen routinely turns off throughout idle time.

To do that, click on on the Apple menu icon and go to the System Preferences of your macOS Catalina. Then click on on the Energy Saver choice and click on on the Power Adapter tab. Set the worth of Turn Display Off After slider to Never.


How to Fix Photos Flickering When Scrolling on macOS CatalinaHow to Fix Photos Flickering When Scrolling on macOS Catalina


Do the identical within the Battery tab settings as effectively.

After adjusting your Mac’s show settings, you gained’t have photos flickering when scrolling on the macOS Catalina problem once more.



3. Switch to Graphic Card for Display.

Depending on the Mac model you’re on, there’s a characteristic on sure variations that will let you change from the exterior to the onboard graphics card.

Although this characteristic may help you protect the battery life, it has been reported to be a buggy characteristic for some Mac models. As a workaround, it’s essential disable it for the meantime.

To try this, it’s essential click on on the Apple menu icon after which the System Preferences. Then click on on the Energy Saver choice and uncheck the Automatic Graphics Switching checkbox to disable it.


How to Fix Photos Flickering When Scrolling on macOS CatalinaHow to Fix Photos Flickering When Scrolling on macOS Catalina


If it lets you select which graphics card to make use of, select the one that doesn’t set off the flickering display screen problem.



4. Use an External Monitor.

If you might be using a Macbook, there’s a likelihood that your LED display screen is having a {hardware} problem. In occasions that you simply want it to work, you’ll be able to attempt to join an exterior monitor.

With this, it is best to be capable to view your display screen from that monitor with none points.

To try this, join your exterior monitor to your Macbook using HDMI or DVI cable. Then click on on the Apple menu, then System Preferences, after which click on Displays. Now, click on the Arrangement tab.

Make positive to verify the Mirror Displays checkbox to allow the duplicate display screen view.


How to Fix Photos Flickering When Scrolling on macOS CatalinaHow to Fix Photos Flickering When Scrolling on macOS Catalina


You ought to be capable to see your display screen now in your exterior monitor. However, it is a fast repair if you’re in a rush or have to work in your Mac as quickly as doable.

To repair your display screen’s {hardware} problem, you’ll in all probability have to contact Apple Support for thorough assist. We’ll make it easier to try this in Method 10 of this information.



5. Boot in Safe Mode.

Booting your Mac into Safe Mode clears your system and permits the kernel cache to be rebuilt after it boots up.

This permits the corrupted system information that may be inflicting this problem to be deleted. This is a vital course of when your macOS shouldn’t be functioning accurately.

To do that, your Mac needs to be fully off. Then, press the Power button to show it on and maintain the Shift key upon listening to the start-up sound.


How to Fix Photos Flickering When Scrolling on macOS CatalinaHow to Fix Photos Flickering When Scrolling on macOS Catalina


Release the important thing while you see a login window and the label ‘Safe Mode’ on the upper-right part.

If the problem doesn’t occur throughout ‘Safe Mode’, you’ll need to verify in case your functions are updated. Also, take away any non-essential equipment linked to your Mac.



6. Reset System Management Controller (SMC).

Resetting the SMC (System Management Controller) can resolve points associated to your Mac’s core options — energy, battery, thermal administration, and LED indicators.

Doing this course of ought to be capable to repair the problem you’re encountering with the photos flickering when scrolling.

Here’s the way you reset the SMC in your Macbook:

  1. First, make certain to shut down your Mac and watch for a minute.
  2. Next, press and maintain the Control, Option, and Shift keys along with the energy button.



  1. Then, keep holding these keys for 10 seconds.
  2. Finally, launch the keys and press the Power button to energy back in your Mac.

This course of is relevant to Macbooks with a non-removable battery launched in 2009 or later. To understand how to reset SMC with several types of Mac, you’ll be able to be taught more about what to do.



7. Reset Non-Volatile Random Access Memory (NVRAM).

Resetting the NVRAM (Nonvolatile random-access reminiscence) in your Mac will assist clear the cache that shops the parameter settings in your Mac. Having corrupted cached knowledge in your Mac could also be what’s inflicting this problem.

After the method, it ought to repair the flickering problem attributable to corrupted cached settings.

Here’s how you are able to do it:

  1. First, press and maintain the Power button in your Mac till you see the display screen turns black.
  2. Next, watch for a minute and press the Power button once more to show in your Mac.
  3. Then, instantly press Command, Option, P, and R keyboard keys while you hear the startup sound.



  1. Finally, wait in your Mac to restart and launch the keys while you hear the startup sound once more.

By resetting the NVRAM you’ll be capable to clear the corrupted and pointless cached knowledge in your Mac.

If the problem nonetheless persists, we advocate you to verify the subsequent technique to learn to update your Mac to the most recent macOS Catalina model.



8. Update to the Latest macOS Catalina Version.

You can not overlook the truth that the rationale why you’re experiencing points with photos flickering could possibly be a bug that’s the results of a latest macOS update you’ve put in.

Hence to repair this, you’ll need to obtain the most recent patches offered by Apple.

You can do that by clicking on the Apple Menu icon in your Mac, click on on System Preferences and click on Software Update.



Follow the remaining directions and supply the required particulars like device passcode if relevant. After the method, your photos needs to be viewable with none points.



9. Wipe and Reinstall macOS Catalina.

If you might be nonetheless experiencing the problem, you could have to rebuild the entire working system itself. But earlier than continuing, you’ll need to know the danger of dropping all the info in your Mac.

We do advise that should you don’t have the technical background to do that, that you simply proceed to the final technique and attain out to Apple to do it for you. If you’re succesful, then you could proceed forward with the steps under.

Here’s wipe and reinstall macOS Catalina in your Mac:

  1. First, be sure to back up your information in your Mac and join it to the web through Wi-Fi or Ethernet connection.
  2. Then, click on on the Get choice and obtain the macOS Catalina installer.
  3. On the message immediate, click on Confirm to obtain the software program and ignore the message warning about an older model macOS.
  4. After the obtain has accomplished, DO NOT click on the Open choice.
  5. Now, create a bootable installer using a flash disk of macOS Catalina after which restart your Mac.
  6. When you hear the startup sound. press and maintain the Command and R keys till your Mac reboots once more in Recovery Mode.
  7. Next, click on on the Disk Utility choice and click on on Continue.



  1. Select your Mac’s startup disk, click on on Erase on the high of the display screen and label the file to proceed.
  2. You could choose AFPS or Mac OS Extended (journaled) relying in your exhausting drive and click on Erase to verify the method.



  1. After that, join your bootable disk and restart your Mac.
  2. Then, press and maintain the Option key and choose your macOS Catalina bootable disk.
  3. Finally, observe the remaining directions to finish the set up of your macOS Catalina.

This ought to repair the problem in your working system. But within the Apple Support Community, some have been in a position to repair it by downgrading their OS to macOS Mojave beta.

You want to enroll first for Apple Developer Program to proceed. If you resolve to do it, you should use this technique however be sure to obtain and create the specified macOS.



10. Connect with Apple Support.

If not one of the above options have helped to unravel the problem, then it’s really useful that you simply usher in your Mac machine into the Apple Store to have the specialists verify it.

You can go to them at your nearest Apple Store. Just remember to verify your guarantee choices earlier than continuing with any service fees.



If your nation continues to be beneath lockdown as a result of COVID-19 disaster, remember to verify your obtainable choices for restore. In some nations, you’ll be able to guide a restore appointment on-line and simply ship them your Mac using a supply service. After that, it is best to be capable to verify restore standing updates on-line as effectively.



As we finish this information, we hope you may have realized how to repair the photos flickering when scrolling points in your macOS Catalina. If you may have questions associated to this subject, please be happy to go away a remark under. Remember to at all times be vigilant and keep secure.


If this information helped you, please share it. 🙂


  • Mako YoungMako Young

    Mako is a workers author at Saint. He’s been writing about tech for greater than a decade. When he is not studying concerning the latest information on Apple, he is busy learning cybersecurity, cryptocurrency, cloud computing, and different IT-related sectors. His distinctive work graces expertise and Apple-related blogs like How-To Geek, VEED.io, Macgasm, onMac, PhotoWorkout, GameRant, and lots of more. He additionally has a Bachelors in Computer Science and has been writing since 2018, with over 400 posts printed.
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