ST2040L, why only shows Input selection not Menu?

Question

My dell monitor ST2040L has worked great up to yesterday. I moved from one home to another.

When hdmi plugged into monitor from laptop the monitor only shows message "entering power saver mode" with hdmi symbol. When pressing 1, 2, 3 and 4 button options it only shows input selection. The screen is unlocked. The same hdmi cable works when connected to another device, using same laptop and same hdmi cord the display works on other device.

What can I do to fix this?

Thanks

DELL-Chris M · Answer

Do you mean the 13 year old 2010 ST2420L monitor? If yes, that issue usually means that none of the ST2420L video in ports (DVI/HDMI/VGA) are receiving an active signal from the PC. But, since the laptop and HDMI to HDMI cable work on a different monitor, then the ST2420L could be defective.

Try this =
* Turn the ST2420L off
* Disconnect every cable from the ST2420L
* Press and hold in the ST2420L power button for 8 seconds
* Reconnect ONLY the power cable to the ST2420L
* Turn the ST2420L on. Does the Self-Test (page 29) appear?
- If no, the ST2420L is defective
- If yes, reconnect the HDMI to HDMI cable the turned on Laptop and retest

Monitors

ST2040L, why only shows Input selection not Menu?

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