The "No Signal" issue occurs when pressing the power button shows the yellow GAOMON logo --> "No signal" --> "Power saving" --> then a black screen, and the indicator light is yellow or red (for PD1161/PD1560/PD1561).
If there is no HDMI port on your computer but you want to connect 2 monitors, then you will need an extra HDMI adapter. Please refer to this article: Precautions for Using an HDMI Adapter.
Please follow the steps below:
- Please ensure that the USB and HDMI cords are securely connected to both the GAOMON display and the computer. Push the cables in firmly; otherwise, you may encounter a "no signal" issue, a "device disconnected" error, or the pen may not function properly.
- If you use a Windows computer, make sure you are in duplicate/extend mode. Simultaneously press the 'Windows' + 'P' key on your keyboard -- choose 'Duplicate' or 'Extend'. Don't choose "PC screen only "or "Second screen only". Otherwise, it will lead to "no signal".
- If you are using a Mac, please choose mirror or extend, and refer to this article: Extend or mirror your Mac desktop across multiple displays.
- If you are using a desktop computer, please plug the HDMI cable into the dedicated graphics card, and not into the motherboard.
- If still no luck, please find/borrow another computer that comes with an HDMI port to test.
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