![]() ![]() Your display device's user documentation is erroneous and you will not realize that your display device and display adapter will not communicate the EDID. Some display devices contain incorrect EDID data resulting in a display adapter driver attempting to drive the screen with incorrect settings. Errors in display programming or documentation.This causes the display adapter driver to revert to Windows default resolutions. Starting a computer when your display device is in standby mode disrupts the communication between the display device and the operating system and prevents the EDID from transmitting to the display adapter. Windows does not communicate with the display.Introducing devices that do not support DDC, in order to extend or split a cable, prevent the EDID data from reaching the display adapter. Some VGA, DVI and HDMI hardware do not support DDC. ![]() EDID/DDC are unsupported by your hardware.When your display devices send their EDID, it does not reach the display adapter without experiencing some level of data corruption. When working with display resolutions and DDC there are several situations that can affect Windows access to the EDID data: EDID is transmitted from the device to your display adapter using a Dynamic Data Channel (DDC). You can't see the native resolution of your display in the Windows Display Properties dialog box.Įxtended Display Identification Data (EDID), enables a PC to know what kind of monitor is connected to it. ![]()
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