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How to Fix screen resolution of macOS Catalina on VirtualBox new method

How to Fix screen resolution of macOS Catalina on VirtualBox new method

Like the previous topic as I explained the method of solving the screen resolution of macOS Catalina 10.15 in VirtualBox. Therefore, here I will show the new method which is simple and properly working. As I have tested on my computer. After installing macOS Catalina on your Windows it is a known issue, that you can not use HD size of screen resolution on your computer. However, most of the operating system while we are installing on VirtualBox on any other platform of Virtual machine. You will ask to solve or fix the screen resolution, no worries in here I will show you How to Fix screen resolution of macOS Catalina on VirtualBox with the new method.

How to Fix screen resolution of macOS Catalina on VirtualBox new method
How to Fix screen resolution of macOS Catalina on VirtualBox new method

However, the installation process of every operation is separated from each other. And you need to focus on your Windows and computer, for installation you need a better computer with high graphics. Moreover, installing two or more than two operating systems can be a bit heavy on one computer. In that case, if you want to install macOS Catalina on Virtual machine on Windows. You should have a computer consisted of 8GB RAM, and High Core Processor, plus Graphic Card. That time you can have a better performance of macOS latter of the newer version.

Sometimes, it can happen that the methods. You are trying to on macOS Sierra, macOS High Sierra, or macOS Mojave. But that method could not work on macOS Catalina, because macOS Catalina is the new, and heavy operating system of Apple Inc. In my case, I faced such kinds of issues, but after researching too much I find the solution to fix that.

How to Fix screen resolution of macOS Catalina on VirtualBox with the new method

If you are not a blogger or you are not writing any sort of article. Therefore, there are different sorts of platforms or Virtual machines. Such as you can install the macOS operating system on Windows, or installing Windows on macOS with the help of Virtual machines. However, in the current era, there are two Virtual machines that are popular and known, like VirtualBox and VMware Workstation. And I recommend you to use VMware, because the process of creating a Virtual machine, and installation is easy than VirtualBox. During the installation of macOS Catalina of macOS Mojave if remembered you faced too many errors. Below I will provide you a hint to solve those errors in macOS Catalina and macOS Mojave.

Related Article:

Fix screen resolution of macOS Catalina on VirtualBox

After completing the installation of macOS Catalina on VirtualBox on Windows. By default, you will face the screen resolution of 1024×768, and you can change that screen resolution. Just by adding some codes through command prompt on the existed macOS Catalina which currently installed on your computer. Before going to start this process your VirtualBox should be updated to the latest version. And below you can check the screen resolution, which you want to change in VirtualBox.

  • 640×480
  • 800×600
  • 1280×1024
  • 1440×900
  • 1900×1200
  • 1280×720 (HD)
  • 1920×1080 (FHD)
  • 2560×1440 (QHD)
  • 2048×1080 (2K)
  • 3840×2160 (4K)
  • 5120×2880 (5K)

Copy the codes of screen resolution:

cd "C:\Program Files\Oracle\Virtualbox"
VBoxManage setextradata "VM Name" VBoxInternal2/EfiGopMode 
Where N can be one of 0,1,2,3,4,5 referring to the 640x480, 800x600, 1024x768, 1280x1024, 1440x900, 1900x1200
     0       1 2   3      4 5

Step #1. In the first step open VirtualBox and select the created Virtual machine of macOS Catalina, then go ahead see the name of Virtual machine.

Step #2. Replace the Virtual machine name with the “VM name” which is mentioned in below codes

Edit the VM Name
Edit the VM Name

Step #3. In this step, you have to select the screen resolution of your computer screen, to select clean N and replace any number of screen resolutions in place of N.

Select your screen resolution
Select your screen resolution

Step #4. Go ahead and press the Windows start menu button, and search for command prompt then Run As Administrator.

Run CMD as Administrator
Run CMD as Administrator

Step #5. Here copy and paste the directory command and press Enter button.

Copy and Paste the VirtualBox code
Copy and Paste the VirtualBox code

Step #6. Now copy and paste the screen resolution code and press Enter.

Copy the screen resolution code
Copy the screen resolution code

Be sure that you have replaced the N name in directory command, otherwise you will not be able to run Virtual machine.

Step #7. Go ahead and run the VirtualBox and select the created Virtual machine and Run that. Go to the Apple logo and press on About this Mac, then check the screen resolution.

macOS Catalina full screen mode
macOS Catalina full-screen mode

Bottom Line

At last bottom line, I hope that I mentioned for you the easy way, therefore, it could help you to fix the screen resolution of macOS Catalina on VirtualBox. And you can check our weblog for more beneficial articles, which talked on different titles. However, give us feedback if you are not solving the screen resolution, or subscribe to our blog via your email address to get the notification of our latest updates.

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