macOS 10.15 surprised us with its incredible features and functionalities. However, when you install macOS Catalina on VirtualBox then you will face many problems while using. Some of them can be easily solved. Therefore, one of the most annoying problems with macOS Catalina is Screen Resolution. When you can use something with its full-screen resolution, we really don’t enjoy using it in any case. Screen Resolution problem means that, once you power on the virtual machine then your macOS Catalina screen won’t expand when you switch to full-screen mode. It really doesn’t matter that which operating system you are using but you should select any resolution which appropriates fo your system. If you enter full-screen mode then you will pretty enjoy the features of macOS Catalina on VirtualBox. Therefore, in this article, you will probably learn How to Fix macOS 10.15 Catalina Screen Resolution on VirtualBox.
One of the most amazing and necessary things of an operating system is its screen resolution. When it is now the same which we want. Sometimes it happens that you will have a huge screen resolution or bigger more than the default size of screen resolution. Therefore, you might have the desire to use and experience the complete resolution of macOS Catalina on VirtualBox. Working and using the full and complete screen resolution will be the most interesting with the assignment.
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How to Fix macOS 10.15 Catalina Screen Resolution on VirtualBox
Most of the time it happens that when you install macOS Catalina on VirtualBox then you can’t have complete resolution of it which is one of the biggest problem out there. When you click on Enter screen mode it will not cover your entire screen. This problem is very irritating for the newbie because they don’t know the actual way in order to fix it. However, don’t even worry about that, because we are going to cover the complete guidance on it. Let’s get into it.
Step 1. First of all, you have to power off the macOS Catalina on VirtualBox. Click on the close button then a new thing will pop up, you have to click on Power Off the machine and click Ok.
Step 2. When you successfully powered off your virtual machine. Now it is time to add some screen resolution code. You will need a file of the screen resolution commands and modify it with your virtual machine.
Therefore, we have provided the commands down below. So, you need to copy and paste it on NotePad. When you got it with yourself. You have to open it and replace Your Virtual Machine Name with the name of your virtual machine. In most case, replace with macOS Catalina or Catalina because it might the name of your virtual machine name. Or once open the virtual machine and notice the name then replace it.
cd "C:\Program Files\Oracle\Virtualbox" VBoxManage setextradata “Your Virtual Machine Name” VBoxInternal2/EfiGraphicsResolution X 1280x7201920x1080 2048x1080 2560x1440 3840x2160 1280x800 1280x1024 1440x900 1600x900 VirtualBox doesn't support 1366x768 so you can use 1280x720 with "Scaled Mode".
Now you need to select the screen resolution and the exact one is 1920×1080.
Step 3. Now you are done with the commands. The one and only step are to fix macOS Catalina Screen Resolution on VirtualBox to apply its command in CMD (Command Prompt).
So, it is time to open the CMD on your Windows 10. Click on the Start Menu and search for CMD without running as an administrator.
On the window of Command Prompt, you have to locate the VirtualBox on your Windows 10 PC. For that, you need to copy and paste the first line of command.
Once you locate the VirtualBox to Command Prompt. The second line of command will probably change the screen resolution of macOS Catalina. Keep in mind that it will change it according to your desire. At the last of command put 1920X1080 to change the screen resolution with that size.
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Video Guide: How to Fix macOS 10.15 Catalina Screen Resolution on VirtualBox
It was the complete guidance on How to Fix macOS 10.15 Catalina Screen Resolution on VirtualBox. I hope you have probably learned something new from this guide. Therefore, if you got any kind of problem while following the guide then feel free to comment down in the comment section below. Make sure to comment on your feedback and suggestion about this article, we will be glad to hear.