Monitor displays 2560x1440 resolution at 1920x1440 after reinstalling Windows.
Monitor displays 2560x1440 resolution at 1920x1440 after reinstalling Windows.
You're facing a common issue when switching between macOS and Windows. It seems your iMac is trying to switch to a different display resolution, but the settings don't show your preferred 2560x1440 option. Try checking if the display settings on your iMac are correctly configured for Windows, or consider adjusting the resolution manually in Windows before booting. If the problem persists, contacting Apple support might help.