![]() ![]() In this case, you can use the grubby tool to change your screen resolution in CentOS to the biggest size that you want. "1152 x 864 (4:3)" is the default screen resolution and the way that you have tried: "root user > Taskbar > Applications > System Tools > Settings > Devices > Displays" is for Ubuntu Hyper-V guests and is not suitable for CentOS and Red Hat VMs. Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.īased on your descriptions, first I would like to explain your issue: If the Answer is helpful, please click " Accept Answer" and upvote it. And you can ask your retailer for this information. If you still cannot maximize your resolution, I guess you may have to change your drive which can better support your graphics card. Here are some methods you can try:ġ)Reinstalled the system in a fresh VM, and re-applying the grubby commandĢ)To install xrdp and use remote desktop. Secondly, you can try some other solutions to solve your issue. So install them from VirtualBox website (as per Host OS you have installed VirtualBox upon). PS : Guest Extensions needs to be installed for this option to work properly. ![]() Microsoft does not guarantee the accuracy and effectiveness of information.) This normally happens when the Graphics controller configured in VirtualBox Display settings isn’t supported. You can also just click the View menu and select Switch to Seamless Mode. ![]() (Please note: Information posted in the given link is hosted by a third party. To use this feature, press the 'Host key' - normally the right Ctrl key, but it's displayed at the bottom-right corner of the virtual machine window - and L at the same time. The article below is suitable for Centos 7: I suggest you can first try to open up a huge of resolutions for your graphics card. Based on your descriptions, your failure to use this command is related to the poor support from your driver for your graphics card. After my research, the grubby command may only work for a few screen resolution. ![]()
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