Getting the video resolution on a Windows system

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If you need to determine the horizontal and vertical video resolution of the system you are working on from a command-line interface (CLI) on a Microsoft Windows systeem, you can open a PowerShell window (you can type PowerShell in the Windows "search" field and click on PowerShell when you see it in the returned results) and issue the Windows Management Instrumentation Command-line (WMIC) command Get-WmiObject win32_videocontroller | select caption, CurrentHorizontalResolution, CurrentVerticalResolution.

PS C:\> Get-WmiObject win32_videocontroller | select caption, CurrentHorizontalResolution, CurrentVerticalResolution

caption             CurrentHorizontalResolution CurrentVerticalResolution
-------             --------------------------- -------------------------
NVIDIA Quadro K2000                        2560                      1440


PS C:\>

If you need to determine the resolution on another system in the same Windows domain on the local area network (LAN), you can add -ComputerName followed by the name of the computer to the command as shown below.

PS C:\> Get-WmiObject -ComputerName apollo win32_videocontroller | select caption, CurrentHorizontalResolution, CurrentVerticalResolution

caption                         CurrentHorizontalResolution CurrentVerticalResolution
-------                         --------------------------- -------------------------
Microsoft Basic Display Adapter                        1024                       768


PS C:\>

If you are connected to a remote system via the Remote Desktop Protocol and issue a wmic command to check the resolution, you will see two values for the horizontal and vertical resolutions. On the first line, you will see the resolution for the RDP connection and on the second line you will see the resolution a remote user would see while sitting at the system. In the examples below, the first time I issued the wmic command was after I connected via RDP from a system where the video resolution was 2560 x 1440 and I had the Display setting for the RDP connecton set to "large," which equated to 2560 x 1440. The second time I issued the wmic command was after I had disconnected from the remote system and then reconnected from the same system but with the display set to 1680 x 1050 pixels.

C:\>wmic path win32_VideoController get CurrentHorizontalResolution,CurrentVerticalResolution
CurrentHorizontalResolution  CurrentVerticalResolution
2560                         1440
1920                         1080


C:\>wmic path win32_VideoController get CurrentHorizontalResolution,CurrentVerticalResolution
CurrentHorizontalResolution  CurrentVerticalResolution
1680                         1050
1920                         1080


C:\>

You can adjust the resolution for the RDP connection by clicking on the Display tab for the RDP window and moving the slider for the "Choose the size of your remote desktop" setting. E.g., the setting for 1680 x 1050 above.

RDP resolution set to 1680x1050