How to Check Source Settings on Your Samsung Display

Created by John Pasternack, Modified on Wed, 6 May at 9:02 AM by John Pasternack

SAMSUNG MONITOR — DISPLAY TROUBLESHOOTING

"No Signal Detected" OR "Connect External Device to HDMI"

What This Message Means

Your Samsung monitor is powered on and working correctly, but it cannot detect a signal from the connected device. This is most commonly caused by the monitor being set to the wrong input source.

Screen message	"Connect External Device to HDMI"
What it means	Monitor is on but not receiving a video signal
Most common cause	Input source set incorrectly on the monitor
Time to fix	Under 2 minutes

Step-by-Step Fix — Check Input Source

1	Press SOURCE button	Find the SOURCE or INPUT button on the monitor — usually on the side or bottom edge. Press it once.
2	Navigate to correct input	Use the arrow buttons or press SOURCE repeatedly to cycle through inputs: HDMI 1 → HDMI 2 → DisplayPort → etc.
3	Select the HDMI port	Choose the HDMI input that matches the cable plugged into the back of the monitor. Press OK or SELECT to confirm.
4	Check for picture	The blue screen should disappear and your directory content should appear within a few seconds.
5	No picture still?	Check that the HDMI cable is firmly seated at both ends — monitor and device. Try unplugging and re-inserting.

Still Not Working?

HDMI cable damaged	Try a different HDMI cable if available
Monitor frozen	Power the monitor off, wait 10 seconds, power back on
Device not responding	Restart the connected device (player or computer)
Need further help	Contact your EDC support representative

Note: If the monitor menu does not respond to button presses, the monitor may need to be power cycled. Unplug the monitor's power cord from the wall, wait 15 seconds, and plug it back in.

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