If you’ve install macOS Catalina on VirtualBox you’ll notice a small screen resolution which we fix macOS Catalina screen resolution that can be VirtualBox Catalina resolution, which doesn’t expand when you switch to full-screen mode. Unlike VMware, when you’ve finished the installation, you will install VMware Tools on macOS Catalina which fixes most of the things that one of them is screen resolution. Plus enhances performance, graphics, and video settings. But unfortunately, that’s not applicable here. Java wont download on mac. Don’t worry, there’s another trick to it. Here’s how to fix macOS Catalina screen resolution on VirtualBox.
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One of the most important parts of using an operating system is its screen resolution. When you have a huge screen resolution or even if it’s not huge, it’s definitely bigger than the default screen resolution of the operating system you install. In this case, you would likely wish to experience the complete resolution when you’ve a larger screen.
How to Fix macOS Catalina Screen Resolution on VirtualBox
This happens after you install, when you switch to the full-screen resolution mode, wait for a precious wallpaper to cover your entire screen, but instead, the wallpaper remains at the same resolution instead the side screen will be covered will the black screen. It’s really annoying. Let’s see how to fix macOS Catalina screen resolution on VirtualBox.
- Related:Install macOS Catalina on VMware on Windows PC
Step One: Switch Off macOS Catalina
First, shut off the virtual machine by clicking on close on the VirtualBox. This is super-important.
When the close virtual machine prompts up, click Power off the machine then click OK.
Step Two: Edit Catalina Screen Resolution Key
At this point, you’ll need a single file of the screen resolution key and modify it for your virtual machine.
For that, you’ll need to download the macOS Catalina Screen Resolution. Once it is with you, open it and replace “macOS Catalina” with your virtual machine. I guess it would be macOS Catalina or only Catalina, in which case, you’ll only need to do a simple edit
Next up, modify the screen resolution which is “1920×1080” with the resolutions tested below.
Step Three: Close VirtualBox
While the virtual machine is closed, now you need to exit from VirtualBox. These two are really important to be closed, so make sure they aren’t open. Otherwise, this would probably make the virutal machine unusable.
Step Four: Apply Fix macOS Catalina Screen Resolution
The commands are ready to apply now. The only step to fix Catalina screen resolution is now to apply the commands which are very important.
When you’re done, open Command Prompt without administrator privileges.
Macos Catalina Virtualbox Reddit
On this window, in order to locate the VirtualBox, copy and paste the first line of the command.
Now copy and paste the next line of the command and hit Enter. This will change the default resolution to your desired resolution.
And there you go! With this simple trick, you’ve fixed the macOS Catalina screen resolution permanently.
Step Five: Switch on macOS Catalina
This should work properly without any issue if you’ve done all the steps correctly.
To try and see everything, switch on the macOS Catalina machine from VirtualBox.
Macos Catalina Virtualbox Disk Image
Without you switch to the entire resolution, it will automatically start in your preferred resolution. Simply sign in and you’ll enjoy the perfect resolution.
To experience the seamless resolution, from the top menu, click on View and click on Full-screen Mode. It will perfectly cover your entire screen without a side black cover.
You’ll see the gorgeous Catalina wallpaper across all across the edge of your screen.
To check, from the top click on the Apple icon and select About This Mac.
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The resolution will completely fit and there’s no problem at all. If it’s smaller or doesn’t cover your screen, you may change the resolution with the steps we did and change the screen resolution this time. This is the perfect way to enjoy the ideal Mac. That’s all of how to fix macOS Catalina screen resolution on VirtualBox.