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SAMSUNG T550 Series 27-Inch FHD 1080p Computer Monitor, 75Hz, Curved, Built-in Speakers, HDMI, Display Port, FreeSync (LC27T550FDNXZA)
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Help] Can't enable the native 1366*768 resolution on Samsung SyncMaster monitor - Displays - Linus Tech Tips
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Monitor Displays Floating Box Message 'not Optimum Mode Recommended Mode 1280 X | Samsung 912T Support
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Samsung screen says "not optimum mode. recommended mode 1920x 1080 60hz" - Displays - Linus Tech Tips
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