One wired thing that I have notices is that when I use the Apple TV app to watch a show in full screen mode, there is a significant screen flickering. Now, in the Appearance section, select Light and once the Light mode is applied, check if the MacBook Pro screen flickering issue is resolved. Restart your MacBook Pro to see if the flickering issue is resolved. 10. Also I am having issues with the keyboard Oct 9, 2009 · Boot from the OS X DVD while holding the "D" key down. Dec 24, 2022 · Posted: Dec 24, 2022. To disable the flash screen, enter the command: Jul 11, 2020 · Screen flashing I have a macbook pro with retina screen, purchased in early 2017 (with, I believe, an intel chip). Boot from the OS X DVD while holding the "D" key down. Search the issue and I found that many users have the same issue. Have Apple look at it. 👉 Download the free version of CleanMyMac X here:https://bit. Step 3: If you want to resume your open windows after reboot, select the Reopen windows when logging back in checkbox. Turn your Mac back on and then immediately press and hold OPTION+COMMAND+P+R. Have tried this - Use safe mode on your Mac Dec 25, 2020 · It is an M1 MacBook Pro. First up, take a look at your power adapter. In the System section, uncheck the box next to Use hardware acceleration when available, and restart Google Chrome. Fix 4: Deactivate True Tone. Make sure the latest firmware for your Mac is installed. Oct 15, 2022 · Here’s how to fix MacBook screen flickering by turning off automatic graphics switching: Step 1. Safe Mode disables non-essential processes, which can help you determine if a software issue is causing the screen to flicker. Googled it, and learned that many others are experiencing the exact same problem. Jan 18, 2023 · 240,341 points. Sep 3, 2017 · 2. Boot Mac into Safe Mode. Shut down your Mac. You might need to revive the firmware on your Mac with Apple silicon or the Apple T2 Security Chip. horizontal lines flickering on bottom of screen on the apps. Options. Blank startup screen. Start up from macOS Recovery. 14 have led to incompatibility between macOS and NVIDIA GPU. Dec 22, 2020 · MacBook Pro M2 Max external display flickering I just got a MacBook Pro with an Apple M2 Max chip running macOS 13. Jan 7, 2024 · Display on MacBook Pro 13in 2017 Flickers I have a MBP 13 2017, running OS 10. Support. 2. Help! Apple Mail is flashing about 10 times, especially images when loaded into Mac Mail and then stop. This should take you to Mac Recovery mode. Nov 21, 2023 · Yes, I'm running Adobe InDesign (Latest verison 19. Press and hold the Shift key, click Continue in Safe Mode, then release the Shift key. Your Mac will then appear to restart. Very disappointed with apple over this as this is a known issues. Apr 20, 2021 · In this video, I’ll explain why your MacBook screen is flickering. Mar 29, 2023 · Turn your Mac on, and immediately press and hold the Shift key. Select the monitor in question from the left-hand pane. I waited to Catalina to be released to see if it was software related. Oct 10, 2023 · Resetting these can often resolve display issues. Plug your MacBook onto a power source if the battery is low. As per recent reports, updates of macOS 10. Please try each step until you resolve your problem: Restart your Mac by going Apple menu >Restart. [Re-Titled by Moderator] Mar 3, 2021 · As your screen is stuck on the question mark folder, press and hold the power button until your device shuts down. May 3, 2024 · Once the Settings window opens, scroll to the bottom and click on “Show Advanced Settings”. It is as if your settings in the desktop pictures is choosing between your picture and a blank grey screen. It started about 3 days ago, but it started when I wasn't connected to my external display. It's our understanding that your MacBook Pro display suddenly has horizontal lines on the entire screen. Uninstall Problematic Third-party Applications Sep 3, 2022 · There can be multiple reasons for screen flickering/blinking issue on your Mac. Try both USB-C input and HDMI cable. Change cables. When the login screen appears, release the Shift key and login with your Mac account. is this a Hardware issue (Battery or Screen?) or is it a Software issue (Maybe Corrupted) Feb 4, 2021 · MacBook Pro M2 Max external display flickering I just got a MacBook Pro with an Apple M2 Max chip running macOS 13. Jun 30, 2020 · After selecting this link, choose Mac notebooks and type "display" in the Search topics field. Jan 11, 2022 · Before updating to the new OS (Monterey), last night I got the screen flickering in my MacBook Pro M1. Mar 10, 2021 · Mac Mini flickering screen Just bought a Mac Mini with the M1 chip, connected to my Samsung monitor and immediatly saw flickering. May 4, 2022 · On your Mac, choose Apple menu > Shut Down. May 14, 2021 · Release the Power button when you see the startup options. Jan 2, 2024 · Shut down your Mac by holding the power button until the screen goes black. Notice that Otis your desktop picture that is flashing. Check out the following steps: Go to System Preferences under the Apple icon. Sort By: Jun 23, 2022 · Step 3: Trigger the download of firmware package. Aug 30, 2018 · MacBook Pro screen flicker My Mac book pro has developed a problem in which the screen starts to flicker and it gets worst progressively. Press and release the power button to turn on your Mac. Jul 10, 2021 · Disconnect and reconnect display cable. Dec 19, 2018 · First, I'd recommend working through the steps in the following guide starting with "Check Safari extensions:" If Safari doesn't load a page or webpage items are missing. In the next window containing a list of iOS & iPadOS firmware version related to your model of iPhone. Press and Hold the SIDE button until an Apple logo appears and then release the Side button (Can take up to 20 seconds. If you need to update your software, you will see a prompt asking you to do so. In the next screen, you will see a Software Update icon; click on this. 1) on an iMac, intel processor i5, and the screen also flashes white, sometimes when selecting text and sometimes when zooming, or moving from page to page. 1. After your Mac shuts down, wait 10 seconds. However, whatever the reason is, you can resolve the Mac screen flickering issue with the below few quick fixes: Fix 1: Reboot your MacBook. This suggests it isn't the screen itself. Input was using a bluetooth keyboard and Magic Mouse, and all of a sudden the screen kept flashing on and off. Mar 14, 2021 · Hello petethespidey, Thank you for using Apple Support Communities. Fix 7. When the dropdown menu appears, go to System Preferences. Next, turn your Mac back on and press and hold Command + R. If the flickering stops once you boot into . Check the Power Adapter. There, select Disk Utility in the pop-up window on your screen. Here’s the problem. My right half of the touch bar flickers when I take my MacBook to a dark room but it works fine in a room with lights. This site contains user submitted content, comments and opinions and is for informational purposes only. You can release the four keys about 20 seconds later. May 17, 2020 5:11 AM in response to singhsaabji. MacBook Screen Flickering Doesn't Mean You Have a Serious Issue. I cant understand how but the flickering/flashing also stopped happening in safari after this. You can set it to change every few seconds. You can do so by opening the App Store on your Mac. MacBook Pro 13″, macOS 14. I started noticing this artifact after 12. Jul 25, 2018 · Screen flickering issue, fixes. The Problem: In the morning, I turned on my Mac, opened the screen, and there was about a 2” wide vertical segment from top to bottom that is dark gray (not black, I am still able to see the content beneath). Unfortunately, my warranty lapsed waiting for Catalina. 1 (22D68). Check if the screen glitching issue is resolved on Mac Safe Mode. If this doesn't fix the issue, read on. 0. Jun 27, 2023 · First, a fall I want to thank you for giving me an answer to my question. 1 update. 2. In my experience this is a sign that the Touch Bar's display is failing and needs to be replaced. Wait a few seconds to see if your Mac is able to locate the startup Feb 20, 2024 · My MacBook Pro suddenly started appearing with flickering of lines and flashing on the screen. Sep 23, 2019 · To resolve this issue, switch off your Mac and then turn it back on, pressing down "Command" + "Option" + "P" + "R" keys until you hear some chimes or see the screen blinking twice during the restart. I am tired of swiching rulers on and off and GPU performance on and off and restarting. I will be glad to assist. Some said updating to new OS will fix the issue. Step 2. Open General Settings of Mac. flickering and/or permanent black out. It starts with a couple of glitches and flicker and its progresses to having two or more image of whatever on your screen flickering vertically and if I let it continue further the screen goes blank. Step 4: Click Restart and wait for your MacBook to restart. If your Mac is in firmware recovery mode, the status indicator light rapidly flashes amber or is solid amber and your display may show a blank screen. From the Displays window, click on Display Settings. However, whatever the reason is, you can resolve the Mac screen flickering/blinking issue on your own with the below few quick fixes: Fix 1: Reboot your MacBook. When the login window appears, you should see “Safe Boot” in the menu bar. Click Does the screen on your MacBook flicker or flash randomly? Or does it happen all the time? Although both scenarios could indicate a hardware fault with the d Sep 27, 2023 · Now, after the OSX upgrade, the Dell screen is flickering on both cables. Apr 12, 2024 · Firmware recovery mode. Reset it to fix issues like screen flickering. In the System Preferences menu, select Battery. Click the slider next to Flash the screen when an alert sound occurs to turn it off. Mac / MacBook Pro Looks like no one’s replied in a while. Feb 10, 2020 · MacBook Pro M2 Max external display flickering I just got a MacBook Pro with an Apple M2 Max chip running macOS 13. If the iMac/MacBook Air/MacBook pro screen blinking issue persists, you can use the next solution to see whether the issue can be solved. Nov 21, 2023 · Click the Apple Menu and then click System Settings. Jan 25, 2024 · Reset SMC on Mac without T2 Chip. I will hit it up with some Caig DeOxit and install a new cable. Is it software issue or hardware issue? I am not able to understand what to do. Try out the following troubleshooting steps and test out your Mac after each one: Make sure you're running the most recent version of Catalina available: How to update the software Jan 8, 2023 · MacBookPro 2017 screen flickering issue. Feb 8, 2020 · If I'm understanding correctly, you have been experiencing a flickering green screen on your MacBook Pro when watching Netflix. I'm happy to help you out with this. Nov 24, 2023 · Press and hold the power button on your Mac until “Loading startup options” appears. This is the process for a 2020 model, which will be quite similar as far as getting the touchbar itself out. Sep 25, 2016 · Open Google Chrome, and click Customise and Control GoogleChrome > Settings > Show advanced settings. Click Accessibility in the sidebar. This is especially useful if the Activity Monitor showed disk-related errors. Here is the detailed triage tree with links on how to do all the steps and how to get help if you can’t self repair this: Jan 21, 2021 · Macbook screen flickering issue I’m currently using MacBook Pro 16inch. Jan 27, 2021 · 65 points. The tool is now downloading the firmware package you've picked. I took my MacBook in to the apple store . I am facing this issue for about a year and currently, I am on mac os 13. Many MacBook owners experience this issue occasionally, the problem being most common with the 13-inch MacBook Pro from 2016. Oct 14, 2023 · Here’s a step-by-step guide on what to do when you notice the flashing orange light. May 15, 2019 · MacBook Pro (13-inch, M1, 2020) flickering touch bar The touch bar of my macbook has started to flicker for already a few months, however, this would stop once I closed and opened again the screen. 3. Type the following command and press Enter: defaults read com. If you see a folder with a question mark appear instead of the Apple logo, it means your Mac couldn't find a local or network-based startup disk. Apple Mail is flickering/flashing/blinking. Your MacBook will restart with the NVRAM reset and, hopefully, your flickering screen will be resolved. Dec 4, 2020 · Yes my M! MacBook Pro is doing the same flickering, but it's on the Laptop screen not my external monitor. Some common reasons for the issue is in-display resolution, inappropriate working of Energy Saver, etc. The steps in the following resource may help: If your Mac display doesn't look right. Press and quickly release Volume DOWN button. Nov 24, 2020 · Maybe, your Mac device can get into the track after a compatible update. Sep 12, 2019 · MacBook Pro screen is flickering All of a sudden the screen is flickering. Reset the System Management Controller (SMC). A bad HDMI port on the Yamaha AVR all my computers are connected to. Follow these simple steps to update your MacBook Pro: Launch the System Preferences located at the dock of your MacBook Pro. Jan 18, 2023 5:21 PM in response to Parker_64BR. Nov 15, 2023 · Click the Apple logo at the top left, click the Shut Down… option, and then click the Shut Down button. It's not an unusual issue, but it is a bit of a gnarly repair due to the sheer amount of adhesive involved. Step 4: Stop iPhone Apple logo from flashing on and off. All the steps to fix the Grey Screen Flashing Question Mark folder during mac startupI recommend you best work through the steps in order, your problem ma Oct 26, 2020 · 10 points. The problem still exists. Immediately after releasing the power button, press and hold these two keys on your keyboard: Command (⌘) and R. Hold these keys for about 20 seconds. If you still need help, contact an Apple Authorized Service Provider. Hi, If it's caused by hardware related issue, try to run Apple Diagnostics if it reports something. 4. Press and hold the Shift key, then click Continue in Safe Mode. Oct 23, 2020 · 1) Try and Force Restart your iPhone EXACTLY as shown below and see whether that resolves the issue: Press and quickly release Volume UP button. Along with the flickering is a vertical area about 1/4 of the way across the screen from the left to the right that runs from the top to the bottom of the screen which is Nov 20, 2022 · Some common reasons for the issue is in-display resolution, inappropriate working of Energy Saver, etc. Hi, I have a MacBook Pro 13 inch bought in 2017, Last month the screen started flickering at the top side. singhsaabji wrote: My MacBook Pro keep flashing on and off intermittently. Click the Apple button at the top left of the screen and select System Preferences. ”. Solutions I've tried (and it didn't help): Reduce resolution. Menu bar and pop up dialog boxes seem fine. If the external screen is flickering or displaying white noise, you can try to disconnect and reconnect the cable while the Mac is powered on. Likely the backlight, inverter, or the cable that runs through the hinges. That tells me the blinking it is an issue within Photoshop not allowing its window to be larger than the screen. . Jan 7, 2021 · MacBook Retina Screen Flickers, which stops when the mouse is moved. My screen flashes with horizontal lines, especially everytime I move the mouse or type. Posted on Feb 20, 2024 5:48 AM. If the flickering continues after the above steps, please boot your Mac into macOS Recovery, and see if the flickering remains while in recovery: About macOS Recovery - Apple Support. Reinstall macOS with Recovery Mode. The HDMI plug might be dirty. Oct 4, 2023 · I have found the reason for the flickering display and the strange behavior of the "Sound" tab. This will provide the current value (0 for disabled, 1 for enabled). Then leave it off for 15 minutes or more on charge before seeking hardware repair. Next, select the Battery option on the left of the Battery menu. If I flip the screen at 30 degree will stop , open to 90 degree and is flickering again. Near the bottom under the “System” headline – there is a checkbox next to “Use hardware acceleration when available. Feb 4, 2022 · Updating the OS System of your MacBook can fix the bugs and problems causing your MacBook’s screen to flicker. Jun 28, 2021 · Apple Footer. I doubt that it is related to the upgrade. During the process, your Mac computer may restart. After that, I started to get a flickering issue with windows update screen remaining as a ghost. 15. There are times it will stay on for longer, however starts up again. Keep the lid of my MacBook open and set the Dell as the primary screen (move the top menu bar). Boot into Safe Mode and Run Disk Utility: Starting your MacBook Pro in Safe Mode and running Disk Utility can help fix disk errors that might be causing the flickering. Oct 11, 2022 · In the top left-hand corner of your screen, click on the Apple logo. You should free up some RAM by closing unneeded tabs and windows and quitting apps completely etc. While your MacBook Pro screen flickering can be nerve-racking, it's not always a sign of critical failure. 3. I have tried adjusting the display settings, updating my MacBook and C lion, and restarting my MacBook, but the issue persists. But since today it started to flicker nonstop, and it has made the use of the computer almost impossible. Sometimes, depending on the content of the screen (a given webpage, PowerPoint welcome screen), the external monitor shows some vertical grey lines, either statically or flashing (see the latter on the following video). May 20, 2023 · However, if your Macbook screen is flickering, there are few things you can try to troubleshoot the issue: 1. The system management controller is responsible for determining if the battery is healthy to charge, so I would try one time to reset that. Step 3. To start the conversation again, simply MacBook Pro 2019 screen flashing problem Dec 1, 2021 · See: Set up users, guests, and groups on Mac - Apple Support If the issue persists even in a new and clean environment, kindly submit the potential bug to our related product team and let the building engineers further investigate the issue and fix it in the next updates and provide a better user experience for the multi-monitors work environment. This can happen if the disk selected in the Startup Disk pane of System Preferences isn't available. Click Audio. It eventually stops but is bad in the interim. Flashes on the screen and login window before system starts. MacBook suddenly has inverted/flickering vertical strip on the screen. Furthermore, both the MacBooks keyboard and touchpad were Sep 24, 2022 · I usually use MacBook with LG ultrafine display, with my MacBook in clamshell mode. I will report back if this third unit starts to exhibit pink screen kernel panics and if my experience goes from a 66% failure rate of M1 hardware to 100%. Wait for a few seconds and let the Mac shut down properly. If that still doesn’t fix the flickering screen with macOS 10. Check this box and then restart Chrome. Also, when using Bootcamp, I use NDVIA eGPU. ; Wait for a few seconds and let the Mac shut down properly. it goes away if I move the screen after some time, but it's clearly an issue of some sort with the machine. We can see how this could be concerning. Then click Updates. Set the Light Mode of the Mac. I am having to use an external display which works, however, just wondering if it might conk out on me!! Mar 9, 2022 · Press Power and hold Option-Command-P-R at the same time. I would suggest starting by ensuring your Mac is updated to the latest macOS, as outlined under the "Mac computer" section on the following Netflix Help Center article: I'm getting a green Oct 31, 2021 · It's a pity that what is recommended so far (reset PRAM/SMC) is for Intel based Mac! I noticed that screen flickering (sudden change in brightness cycling for about 4 seconds) occurs also when switching from full screen view and normal desktop view on my MBP 14 2021 (M1 pro high model). Feb 16, 2020 · TouchBar Flickers Solved. 6, on which the display suddenly began to flicker on the top 1/10th portion of the screen. Most of the time, the computer screen either flickers random colors or the screen casts a weird color hue. Nov 29, 2023 · MacBook Pro screen flicker My Mac book pro has developed a problem in which the screen starts to flicker and it gets worst progressively. Feb 26, 2020 · Yup, when I disconnect the external screen from my MacBook I have the blinking issue. Bearly a work around. Jul 14, 2013 · Jul 16, 2013 3:59 AM in response to doneamo. May 24, 2023 · MacBook Air M2 - Blinking Screen & Unresponsive Keyboard & Touchpad. Turn it back on and immediately press and hold Option + Command + P + R for 20 seconds. Aug 3, 2020 · I recently purchased the 2020 Macbook air. Fix 2: Update your MacBook. Aug 2, 2021 · MacBook Pro flickering screen I have a 2016 Intel MacBook Pro with the latest update and the problem is that the screen keeps flickering. I have the Mac plugged into unused HDMI port and it is working OK. Keep holding the keys until you see an Apple logo or spinning globe. See if the folder with a question mark is gone and if your Mac has booted correctly. 1 reply. For whatever reason, my mac had switched audio device back to the inbuilt MacBook Pro Speakers and started this screen flashing behavior. I have searched and searched for a solution. Jan 8, 2021 · Screen flickers on MacBook while using CLion Hello everyone, I am experiencing an issue with my MacBook Air M1 where the screen flickers when I use C lion to play, compile, or create a build. " Apr 8, 2024 · Step 3. Sep 10, 2023 · Mac M2 mini - display flickering / crashing. Recently, after using Bootcamp windows, I ejected both eGPU and Ultrafine display. 4. I usually use MacBook with LG ultrafine display, with my MacBook in clamshell mode. macbook air m1 screen goes purple and restarts. Flickering is not showing its effect if the screen tilt is equal to or less than 30 degrees. In the Advanced Settings window scroll down. universalaccess flashScreen. Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic forum and Apple can therefore provide no guarantee as to the Jun 28, 2022 · If you're seeing this type of motion-based flicker, the best solution is to turn Adaptive Sync off. I've tried re-starting, tried holding the shift - control and option keys with the power button to restart the VRAM. I have tried all the given steps but the issue is still there. May 12, 2020 · I would also recommend ensuring your Mac is fully updated: How to update the software on your Mac - Apple Support. So far, I have tried every suggestions (after reading the online forum):-Display- Automatically adjust brightness-Disabled-Accessibility- display- Color filter May 17, 2020 · Level 10. . Select a volume. You may be asked to select a Wi-Fi network or attach a network cable. Updated. Check for software updates: Ensure that your Macbook's software is up-to-date. Jan 11, 2019 · Intermittent "flickering/weird color" screen issue with MacBook Pro 17-Inch Mid 2009 (5,2) (A1297) I recently picked up an older MacBook Pro 17-Inch Mid 2009 (5,2) (A1297). Restart your MacBook Pro while holding the Shift key to boot into Mac Safe Mode. This will cause the M1 Mac to refresh its own display, as well as the external display, which typically resolves the problem immediately. why is my MacBook Air screen flashing (only stays on for a few seconds when pressing the power button) but my external display work? . Please help. Step 2: From the drop-down menu, select Restart. They do not flash, if I open them in a separate window. apple. 14, reset the System Management Controller (SMC) as decribed below. It continued after connecting. You can check for software updates by clicking on the Apple menu in the upper left corner of the screen and selecting "Software Update. Dec 1, 2023 · To disable the flash screen for notification alerts on your Mac, follow these steps: Navigate to Launchpad > Others and open Terminal. In the app, click First Aid. Press and hold the power button on your Mac until the startup options window appears showing available startup disks and Options. The computer has one issue with it. If the behavior continues, use these steps to start your Mac in safe mode and test again: Use safe mode to isolate issues with your Mac. Now, press the Power button May 16, 2020 · This preboot partition contains the code which handles the login for an encrypted drive, after that is successfully unlocked it is handed off to the main OS, you have to authenticate that in order for the encryption key for the boot volume to be released. Well, there's only 01 and a half years that I've bought my Macbook Pro 2019 16 inches and I'm a perfect mac owner: never hit, never drop, use protection case and etc. This problem is only with the full screen display and not when I watch in a window without the full screen. Mar 14, 2021 8:39 PM in response to stav176. What I’ve found out this far is that only datk parts flicker and mostly when I move the mouse, it can be copletely normal if I don’t move the mouse but sometimes when an app is open it flickers anyway. That's an unexpected restart. When it's off, the slider should be to the left and the bar should be gray. A list of drives that are currently connected to your Mac and have OS X, macOS, or another bootable operating system installed on them will be displayed. If your MacBook has an Intel Processor, launch Apple Diagnostics with these steps: Turn on your MacBook and immediately hold down the D key. Release the D key when you see a progress bar or a window asking you to choose a language. It was not. My brand new Mac M2 mini crashed - screen was flickering (see photo - the lilac parts appear randomly and the mac is unresponsive), and now it starts up flickering and I'm having a hard time even entering any safe startup / not being able to reset the mac. no screen flickering. The computer restarts automatically. Contacted apple support, they responded within minutes - quite impressive! But not impressive when it comes to helping me. Nov 14, 2019 · Click the System Preferences icon in the Dock or select System Preferences from the Apple menu. The monitor works fine on my wife's laptop (a Windows machine). The flickering stops in Safe boot. As soon as I close the lid. Was using the MacBook whilst charging and it had reached full charge. Jun 11, 2019 · 2. Nov 10, 2022 · Step 1: Click the Apple menu icon on the top-left corner of your screen. That will invoke the Apple hardware checker. Your MagSafe charger has two main Mar 16, 2023 · My MacBook’s screen started flickering suddenly, I tried all the remedies available online (NVRAM reset, SMC reset etc, Diagnostics, Reinstalling MacOS, Erasing the whole MacBook) none of them worked. Had a very unusual issue earlier. Press on Software Update. This is happening on both my Macbook Pro (late 2012) and my Macbook Pro (2019). Dec 24, 2019 · If I'm understanding you right, the display on your MacBook Pro 16" is flickering when starting up and when using applications. Click the Startup Disk preference pane in the System section of the System Preferences. The touch-bar was flickering. This is obviously a universally encountered issue by any new MacBook owner trying to connect to a 4K or better external display. Step 1. ly/3dvhT71 Here are seven thi Mar 28, 2022 · Macbook Pro 2019 Screen Flickering. Try these suggestions. Click on the Apple icon from the menu bar, then select System Preferences from the menu. 184,836 points. Select Displays. Switching back to the HDMI speaker device stopped the flashing without killing coreaudiod or rebooting. Remove battery saver. Select a startup disk. 1. The cost to fix this known problem is $475+tax. When I resize the Photoshop window to the size of the MacBook the problem goes away. Take care. Click the Apple logo at the top left, click the Shut Down…option, and then click the Shut Down button. Select "Display not working as expected" from the Results, then choose how you'd like to start the conversation. It definitely feels like an OS thing. Fix 3: Deactivate automatic graphics switching. Press and hold Command+D. Select the latest one and hit the Next button. Mar 10, 2023 · Launch the System Preferences of the MacBook and open General. Update the OS on your Mac. If your Intel-based Mac computer displays a blank screen at startup—or a screen with an Apple logo (with or without a gear icon) and a flashing question mark—it indicates there may be a problem with a firmware update or software. Suddenly from one day to another, my screen just appears with a glitchy grey vertical line (around 3 centimeters) depending on the angle I open Nov 8, 2017 · Folder with a question mark. It sounds like a hardware issue. Search for the latest updates that can overcome the Mac screen flashing trouble for you. fkxcezaoxtgapcbiilms