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I don’t find Catalina any more resource hungry than Mojave on my Mac Mini 2014. But the lack of 32 bit app support really hit some users by surprise who failed to do their homework before upgrading. Big Sur again looks to move into a new realm for Mac OS because it will have support for Apple silicon and move closer to marrying IOS apps to.

You can adjust color settings in the Custom Settings dialog box of the Windows printer driver, or in the Effect dialog of the Mac OS X CUPS printer driver. Please note that this feature is available in the Windows printer driver and the Mac OS X CUPS printer driver, not available in the BR-Script3 printer drivers of Windows and Mac OS X. Differences Between Linux vs Mac. Though both Linux and Mac are the operating systems for computer devices, Linux is an open-source operating system that can be used on any device, and Mac is an operating system that can be used only on Mac devices. Linux acts as an operating system, a platform to run other system applications and a server unit. IMovie Alternative 2: ShotCut (Free Open Source Video Editor) Shotcut is an open-source video editing software, which is available in Mac, Windows, and Linux platforms. Like Filmora, it also allows you to drag-n-drop to open files with wide file formats supported. It features a clear, smart, and well-designed interface.

Before you begin

You can resolve many display issues by updating the software on your Apple devices, cables, and adapters. If you can see an image on your screen, check for software updates using the Mac App Store:

  1. Connect your external display and any Apple video cables or adapters that you use with it.
  2. From the Apple menu, choose App Store.
  3. Click the Updates button in the App Store window.
  4. Install any macOS or firmware updates that are listed.

If you're using a display, hub, extender, or adapter not made by Apple, check with the manufacturer for any updates that might be available.

If you're trying to connect a 4K display or Ultra HD TV with your Mac, make sure your computer meets the requirements for using these external displays.

If your software and firmware are up to date, or if you can't see the image on your screen, try the steps below for your specific issue.

If the display image is blank or unusable

Try these steps if you don't see an image on your display. These steps can also help if the image on your screen repeatedly turns on and off (flickers), if horizontal lines appear (snow), or if the image is distorted (torn or scrambled).

These steps likely won't help if the issue is only happening in one app. If you see similar issues in only one window or app, check with the app's developer for updates or more help.

Check connections

Check the connections to your Mac and external displays:

  • If you're using an Apple notebook, try connecting its power adapter.
  • Make sure the external display's power cable is securely connected and that your display is turned on.
  • If you're using a Mac Pro (Late 2013) make sure your displays are connected to the right ports.
  • If you're using a display hub, switchbox, or 'KVM,' try connecting your display's video cable directly to your Mac instead.
  • Disconnect the video cable where it plugs into your Mac, then plug it back in to reseat the connection.
  • If you're using a video adapter, unplug the video adapter from your Mac, then plug it back in to reseat the connection.
  • If you're using more than one video adapter to connect your display (the adapters are 'chained' together), try connecting the display using only one adapter if possible. Some video adapters can't be connected together. For example, a mini DisplayPort to DVI adapter can't be connected to a DVI to HDMI adapter.
  • If your display has more than one video connection, see if using another connection on the display works. If possible, check to see if using a different display or a different adapter works.
  • Try using a different cable that you know is in working order. Check with the display's manufacturer to make sure you're using the cable they recommend.
  • Restart the Mac with the display connected.

Detect your display

If you're using an external display, sleep and wake your Mac to make it check for connected displays:

  1. Press the power button on your computer to put it to sleep, or choose Apple menu > Sleep.
  2. Wait a few moments, then press a key on your keyboard or click your mouse or trackpad to wake your Mac.

If you're using more than one display, and you can see the image on one of the displays, you can also use Displays preferences to check for connected displays.

Adjust video settings

If there's no image on your display, try adjusting your display's brightness or contrast. If there's still no image, or the image appears torn or scrambled, try selecting a different video resolution in System Preferences.

Adjust brightness

  • If you're using an Apple Display, press the increase brightness key on your Apple keyboard. To adjust the brightness of a secondary display, press Control-F2.
  • If you're using a display that's not made by Apple, check the documentation that came with your display to see if it includes built-in controls for adjusting its brightness or contrast.

Change your display resolution

  1. From the Apple menu, choose System Preferences.
  2. Click the Displays icon.
  3. Click Default for display. If you see more than one resolution listed, choose a resolution and refresh rate. If the display turns off when you change resolutions, press the escape key to undo the change.

If you can't change the resolution of your display because you can't see an image, restart your Mac in safe mode to reset the display resolution to defaults.

If starting in safe mode doesn't resolve the issue, reset your Mac's NVRAM and SMC to reset the video ports on your Mac to their defaults.

Check for third-party display software

If your display works only when your Mac is started in safe mode, and you have display-related software installed, check with the software's developer for updates, or try temporarily uninstalling it.

If an image appears fuzzy or blurry

If images or text on your display appear pixelated or blurry, check these things.

Check your display resolution

Make sure your display resolution in System Preferences is set to its default. If you're using a resolution that's scaled, the image might be magnified to fit the display. This can cause the image to look blurry in some apps.

Better
  1. From the Apple menu, choose System Preferences.
  2. Click the Displays icon.
  3. Select Default for display.

If you use a monitor or an HDTV connected with an HDMI cable, you might see a difference in video quality if your display is set to television mode. Check your display for a 'monitor mode' setting to get the best video quality.

Retina displays

If an app you're using appears low resolution on your Retina display, check to see if an update to the app is available. Most apps have been updated to use the higher pixel densities of Retina displays.

Lower-resolution images on some web pages might also appear 'softer' when viewed on a Retina display. This is because Retina displays have a higher pixel density and not all websites use Retina-ready images.

For example, the images below look different when viewed on a Retina display, but the same on a non-Retina display. This happens because the Retina-ready image has a higher pixel density:

If you see contrast or color issues

If your entire display image seems too dark or too bright, you can adjust the brightness and contrast from the Displays pane of System Preferences, or by using your display's built-in controls.

Adjust brightness and contrast

To adjust the brightness of your Apple display, press the brightness key or F2 key on your keyboard. You can also use the brightness adjustment for each connected display in System Preferences > Displays.

Displays not made by Apple sometimes have brightness and color adjustments built into the display. Check the documentation for your display to see if it includes built-in controls.

When you connect a display, projector, or HDTV using an HDMI cable, you might see a difference in video quality if your display is set to television mode. Check your device for a 'monitor mode' setting to achieve the best video quality.

You can also calibrate each display from the Color tab of Displays preferences to get the best color and brightness from your display.

If you see bright or dark pixels

If individual pixels on your display seem too bright or too dark, see these articles for more help:

Connecting displays with Thunderbolt 3 (USB-C)

The Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter connects Mac models with Thunderbolt 3 (USB-C) ports to older devices that use Thunderbolt (10Gbps) or Thunderbolt 2 (20Gbps). For example, this is the adapter that you should use to connect your MacBook Pro to an Apple Thunderbolt Display or a third-party Thunderbolt 2 storage device.

This adapter doesn't support connections to Mini DisplayPort displays, including the following Apple adapters and displays:

  • Apple Mini DisplayPort to Dual-Link DVI Adapter
  • Apple Mini DisplayPort to DVI Adapter
  • Apple Mini DisplayPort to VGA Adapter
  • Apple LED Cinema Display

If you're using the Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter to connect to a compatible display and the display doesn't show an image, try unplugging the adapter and plugging it back in.

Get more help

If you've tried these steps and your display still isn't working, contact Apple Support to get more help.

Diagnostic fees may apply for issues not covered under warranty or the AppleCare Protection Plan (APP).

Green screen, also known as Chroma Key, is a technique used to composite a live-motion video/a frame over another scene, making it possible to add visual effects in post-production. The most obvious use of green screen is in content creation where VFX movies, newscasts, weather reports, YouTube, etc. need to replace the existing background with specific scenes.

Speaking of making a green screen, you need to prepare a green/blue piece of cloth, a camera system, as well as a green screen/Chroma key software to separate the colored background. This article has carefully gathered 10 best green screen software for your reference. If you are interested in, then check our best picks in the following!

#1. DaVinci Resolve

Pricing: Free; Pro version at $299 (one-off fee)

DaVinci Resolve is one of the best color grading software that post professionals, colorists, YouTubers love to make color adjustments for creations, but it's not a one-trick pony. It offers a variety of features including video montages, visual effects, sound editing, etc.

You can access the Chroma key tools in the Fusion page where is a node-based workflow that might be difficult for some people to start with. However, it can help you customize the different keying effects you want.

Key Feature:

  • Planar tracking helps create a more accurate green screen effect for on-motion graphics;
  • Clean Plate provides a more pure and accurate keyed object;
  • Resolve works with all major operating systems, covering Windows, macOS, and Linux.

How to Use the Best Green Screen Software DaVinci Resolve

Step 1: Free download Resolve 16 at Blackmagic Design.

Step 2: Launch Resolve once it's installed > build a new project.

Step 3: Load the green screen clips from your computer in the Media page.

Step 4: Navigate to the Edit page > drag and drop the green screen clip into the timeline and jump to the Fusion page.

Step 5: In the Fusion page, bring up the Select Tool menu by hitting Shift + Space key > choose Delta Keyer (DK) > make sure the Delta Keyer layer is selected and go to Inspector next to viewer.

Step 6: Click and hold the eyedropper in the Background Color tab > move the dropper to the view and release. Then Resolve will intelligently remove the green color in the clip.

Step 7: Return to the Edit page and place a background video/image below the green screen clip.

#2. Adobe Premiere Pro CC

Pricing: $20.99/month

Though Premiere is a non-linear video editing software, it also has a pretty good keying feature based on the Adobe After Effects platform. If you have a project with a request for a fast delivery, the Chroma keying feature of Premiere is very helpful. You can remove the colored background within Premiere directly without sending the project to other software. The only problem is that you have to add masks manually, which requires some basic editing knowledge.

Key Feature:

  • Color Key: it helps separate the backgrounds of any color;
  • Luma Key: it separates the area with a similar luminance in an image;
  • There are some useful tools available for preventing color spill.

How to Use Adobe Premiere Pro CC for Green Screen Editing

Step 1: Download Adobe Premiere Pro from Creative Cloud. You'll get a free 7-day trial.

Step 2: After you open up Premiere Pro, import the materials to the program. Then build a new sequence and regulate sequence settings.

Step 3: Add the green screen clip to the sequence.

Step 4: Head to the Effects tab > search for the Ultra key effect > drag and drop the effect to the green screen clip in the sequence.

Step 5: Click the eyedropper next to the Key Color tab > Select the green area in the viewer. Now, you have removed the green color.

Step 6: Drag and drop the background layer below the green screen clip in the timeline.

#3. Final Cut Pro X

Pricing: $299

Powered by Motion which is a robust motion graphics tool, Final Cut Pro X makes it easy to create cinematic visual effects, including compositing effects, green/blue screen, animated 2D, 3D, 360° text, stunning transitions and many more. You can also modify your footage using third-party plug-ins and templates. And there are more than 1300 royalty-free sound effects available, which is a bonus for those who would make commercial projects.

Key Feature:

  • Support Apple ProRes (all versions), uncompressed 8-bit/10-bit 4:2:2, AVCHD, etc.;
  • 360°, VR video editing supported;
  • Integrate seamlessly with iMovie.

How to Use Final Cut Pro X as a Green Screen Editor

Step 1: When Final Cut Pro X is purchased and installed, launch it on your computer.

Step 2: Put your green screen clip and background clip in the timeline. Make sure the foreground clip is above the background clip.

Step 3: Click the effect icon on the right > Keying > drag and drop the Keyer to the green screen clip.

#4. iMovie

Pricing: Free

iMovie is a free non-linear video editing software introduced to macOS and iOS for creating home-made level movies. The major advantage of it can be attributed to its regular maintenance with new features. The latest version of iMovie comes with 4K@60FPS, which allows you to create clean and crispy green screen effects with ease.

Key Feature:

  • Movie and trailer templates provided;
  • Support 4K@60FPS video editing;
  • 100% free.

How to Use a Green Screen in iMovie

Step 1: Downloaded iMovie from the Apple Store.

Step 2: Launch iMovie on your computer at first.

Step 3: In the project manager, click on the plus icon on the top left corner > select Movie > choose a theme for your project.

Step 4: Add a green screen clip and a background clip from your Library to the timeline. The green screen clip should be placed on the upper video track.

Step 5: The Chroma key tool lives in Video overlay settings. Just select the upper video clip > check Video overlay settings option at the top of the player > choose Green/Blue Screen from the drop-down menu.

#5. OpenShot

Pricing: Free

Though OpenShot is a free, open-source non-linear video editing software, it still can match professional video editing programs in some respects, especially when it comes to workflow. Because a majority of advanced green screen video editors are complicated, at least for some. For beginners, try OpenShot to make green screen effects for your video with ease.

Key Feature:

  • Unlimited tracks (video/audio/image) offered;
  • Simple operation philosophy;
  • Lots of visual effects, like Chroma key, 3D animated texts, slow-motion, etc.

How to Remove Green Background in OpenShot

Step 1: Download this app at openshot.org.

Step 2: Launch OpenShot once it's installed > import your materials to the app > drag the green screen clip to the track overlaying the clip used as the background in the timeline.

Step 3: Click on Effects, drag Chroma Key (Green Screen) to the upper video track.

Step 4: Select the C icon at the timeline, double-click Key color and select Pick Screen Color.

Step 5: Then move the cursor to the viewer and pick up the color you would key out.

Step 6: At last, type a value you need in the Fuzz tab to remove the color spill.

#6. OBS

Pricing: Free

OBS does not edit video clips, it records your screen and goes live. If you are love to check videos online, you are likely to watch some videos that YouTubers/streamers blend themselves into the frame. And I'm telling you how they do that in this part.

Key Feature:

  • Support hardware encoding;
  • Intuitive and organized interface;
  • Available on Windows/Mac/Linux.

How to Use the Green Screen Software OBS

Step 1: Visit OBS Project to download OBS for free.

Step 2: Connect your webcam to your computer properly.

Step 3: Launch OBS, click the + icon in the Sources tab to add facecam to the list.

Step 4: Highlight the facecam source and right-click > select Filters.

Step 5: Click the + icon under the Effect Filters to add Chroma key effect. Select the color you will remove.

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Step 6: When all settings are done, click Close to confirm and move to Scenes at the main screen to see if the green screen effect is the one you want.

#7. Shotcut

Pricing: Free

Shotcut is another free and open-source video editing software that combines many amazing features, covering Chroma key, color spill removal, GPU acceleration and others. It's known that rendering green screen clips could be computationally-intensive, while you can enable GPU encoding that can squeeze out potential from the GPU.

Key Feature:

  • Chroma Key Simple and Chroma Key Advanced provided;
  • Minimal color spill;
  • GPU acceleration supported.

How to Remove Green Screen in Shotcut

Step 1: Navigate to shotcut.org and download the video editor.

Step 2: Click Open File at the top ribbon to add source files.

Step 3: Import the file that will be used as background to the timeline.

Step 4: Hit Ctrl and I (or select from the menu) to add a new video track.

Step 5: Import green screen clip to the upper video track.

Step 6: Highlight the green screen clip you will work with, click on Filters at the top bar > check the plus icon to add a new filter.

Step 7: Choose Chroma Key and pick the color you would separate.

Step 8: Adjust Distance for the removal of the color spill.

#8. Hitfilm Express

Pricing: $349 or try for free.

Compared with other green screen software, Hitfilm is more focused on visual effects. You can use two different tools to composite the foreground clip and the background clip: Colour Difference Key and Hue & RGB Key. More so, if you need a more powerful keying feature, it also offers a paid Chroma Keyer.

Key Feature:

  • A wide array of VFX tools offered;
  • Green screen, 2D, 3D blending;
  • You can purchase VFX add-on for your project on Hitfilm's Store.

How to Use the Green Screen Editor Hitfilm Express

Step 1: Go to FXhome and download Hitfilm Express at no cost. And you have to sign up and log in to activate the app.

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Step 2: Set up a new project with correct video settings.

Step 3: Import your content from your hard drive via the Media button.

Step 4: Add source media to the timeline. The green screen footage should be placed on the top video track.

Step 5: Select the green screen layer. Head to Effects tab and search for Colour Difference Key.

Step 6: Apply the effect by dragging and dropping it to the top layer in the timeline.

Step 7: Toggle on Min, Max, Gamma to remove more of the green.

#9. Olive

Pricing: Free.

Olive is also a free and open-source video editing software that has a host of basics and essential tools and features that are parallel to some professional video editors. One important tidbit to know is that you can composite and key out green screen clips easily. That's what I appreciate it!

Key Feature:

  • A full suite of green screen tools, Chroma key, Luma key, Despill, etc.;
  • Multiple media formats supported (FFmpeg, OpenImageIO).

How to Use Olive as Chroma Key Software

Step 1: Head to Olivevideoeditor and free download the latest Olive to your computer.

Step 2: Open up Olive and build a new sequence via File menu (File > New > Sequence).

Step 3: Load media files to your project (File > Import).

Step 4: Import media files to the timeline (The green screen clip should be at the upper layer).

Step 5: To enable Chroma key (select the green screen layer > click Add Video Effects under the Effects tab > Keying > Chroma Key).

Step 6: Select Key Color > Pick Screen Color > move the eyedropper to the viewer.

Step 7: Toggle on Lower Tolerance and Upper Tolerance to get rid of more of the green.

#10. VSDC

Pricing: Free; $49.90.

VSDC green screen is easy to use, and looks great, providing an alternative keying and compositing scheme. You can also add other video and audio effects to your project, like fire, glitch, aging TV, pitch shift, reverse and more. But what I dislike is that there are some pop-up upgrade pitches and ads.

Key Feature:

  • Simple but powerful Chroma key tools;
  • Support even aging machines;
  • Project file format supported.

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How to Remove and Replace Background in VSDC

Step 1: Download VSDC free video editor at Videosoftdev.

Step 2: Get VSDC initiated and start a new project.

Step 3: Import clips to the timeline by selecting the Add video/image icon left to the viewer.

Step 4: To start keying green screen (select the green screen at the upper layer > go to Editor at the top bar > Video effects > Transparency > Background remover).

Step 5: You can find there's an eyedropper at the Properties window. Select it and pick the colored background on the viewer.

Step 6: If you find there's spilled green on the scene, adjust Min brightness and chromaticity to take it away.

If you want to explore more features about VSDC, you can check this full review guide >>

Green Screen Software FAQs

1. What is the best software for green screen?

Industry-standard green screen video software: DaVinci Resolve, Adobe Premiere Pro, Final Cut Pro X.

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100% free video editing software with green screen: iMovie, OpenShot, Shotcut, Olive.

Paid green screen editor: VSDC, HitFilm Express.

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Green screen software for live/streaming: OBS

2. Why is a green screen used?

Technically, the background you would like to key out can be any color. But there are five major reasons why the green screen is better than blue.

a. The budget-conscious push people to choose green screens, because green screens require less light to be thrown physically.

b. Green is easier to be removed when it comes to digital devices.

c. Green screens can be used outdoors for it differs to the sky's color.

d. The Green screen doesn't match the human's skin tone.

e. The sensor technology in most digital cameras is Bayer pattern, which dedicates more pixels to green than blue/red. Therefore, the camera is more sensitive to green.

3. Where to purchase and download digital green screen clips?

I recommend three useful sites: Videvo, Videezy and Pexels.