GAOMON PD2200 User Manual - Page 17

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5. Trouble Shooting

5.1 Possible Breakdowns Related to DISPLAY

Abnormal Phenomena

Power indicator does not flash

No signal--saving power--all

black

Nothing displays at all，with

no indicator light.

Displays wallpaper & taskbar

of computer monitor only.

Images are blurred

Lack of colors

There is chromatic aberration

Images jitter or ripple images

16 /

Possible Solutions

*Make sure power is on

1. Make sure the HDMI cables are well connected.

2. If you use a desktop, make sure the HDMI cable is plugged

into the graphic card on the tower, but not into the

motherboard.

3. If you use a Windows OS computer, make sure to press

''Windows+p'' on keyboard, then choose Duplicate or Extend.

Don't choose Computer Only or Projector Only.

4. If there is no HDMI port on your computer, you need an

extra HDMI adapter. We DON'T recommend a USB to HDMI

adapter. Also we don't recommend a USB hub. We

recommend DVI/ VGA/ Display Port/ Type-C/ Thunderbolt, etc

to HDMI adapters.

1.Make sure the power cord is well connected.

2.Try different power socket.

1. It is because you are under extended mode right now. It is

normal situation.

2. If you are not familiar with extended mode, we recommend

you to use in Duplicate/Mirror mode. Windows OS: Press

keyboard combination---windows+p---then choose Duplicate

Mac OS: System Preference---Displays--- Arrangement---

Check "Mirror Displays"

3. If you decide to use in Extended mode. Make sure to choose

PD2200 as Work Area in GAOMON Driver. It is usually ''Display

2''.

Please set the display resolution with 1920 x 1080.

Check the pins of the signal wire are not bent or fractured.

As the regional color temperature is different, so minor

chromatic aberration is a normal phenomenon.

It is likely that there is electric equipment nearby that brings

*Check the socket and power cable