![]() On Ubuntu 8.04 host open file /etc/X11/nf and inside "Screen" section add Display section: Note: Output of command in my case are monitor adapters: VGA and TMDS-1 and look for maximum supported mode in my case 1680x1050 for both monitors.Ĥ. Turn on computer and on Ubuntu host execute the following command to query the monitor adapters names and screen resolution supported:Ĭode: Select all Expand view Collapse view xrandr -q My monitors on desk are in the same order first is VGA attached and second to the right is DVI attached.ģ. In my case first monitor to VGA port and second to DVI port. Turn off your computer (for safety reasons) and physically plug in both monitors to single computer. virtual machine using Windows XP (name of this virtual machine in my case is "WindowsXP")Ģ. host operating system Ubuntu 8.04 (yes I know an old one and I should migrate) physical PC supports two video card graphical outputs (VGA and DVI port) If I click on Identify button on both it is displayed big white number "1".Īm I missing something? Should I set something else?īELLOW ARE STEP BY STEP INSTRUCTIONS HOW I SOLVED THE PROBLEM IF ANYONE NEEDS MORE INFO: Nothing really happened on both monitors I still have the same image. I clicked on monitor "2" and clicked on "Extend my Windows desktop onto this monitor" and clicked on Apply button. In "Drag the monitor." I see monitor "1" in blue and monitor "2" is grayed out. From Display drop down window I see there are two monitor adapters recognized both have the same name "(Multiple Monitors) on VirtualBox Graphics Adapter". ![]() Control Panel | Display | Settings tab.ħ. VirtualBox guest additions are installed.Ħ. In Display tab I have set "Video Memory" to 80 MB and "Monitor Count" to 2.ĥ. ![]() In VirtualBox 4.2.18 GUI I have clicked on "Windows XP" virtual machine Settings.Ĥ. On both monitors are the same image displayed.ģ. I have connected two monitors to my PC one using DVI and one VGA.Ģ. ![]()
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December 2022
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