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display identification
About this tag
This tag covers challenges with display identification in Windows, particularly the unreliable mapping of display device IDs to monitor numbers shown in the Screen Resolution settings. Users report that APIs like EnumDisplayDevices and GetMonitorInfo often return inconsistent results in Windows 7, making it difficult to programmatically identify which physical monitor corresponds to a given display number. The tag includes discussions of multi-monitor setups and troubleshooting methods for retrieving accurate display identifiers across different Windows versions.
In Xp and Vista it was easy to retrieve the display device ID (I.E. \\.\Display1, \\.\Display2, etc). The returned deviced ID's matched the display numbers as depicted on screens with the "identify" button....where a big '1' and '2' would appear on the monitors if clicked.
In Windows 7, this...
bug report
displayidentificationdisplay numbers
enumdisplaydevices
getmonitorinfo
graphics
graphics card
hardware
hardware id
multi-monitor
random
reliability
resolution
tech support
troubleshooting
user issues
windows 7
windows vista