Look at the monitor's Power LED.
0 of 5 steps complete~5 min remaining
Why Won't My PRISM+ Monitor Turn On?
If your PRISM+ monitor won't turn on, don't worry, it doesn't always mean the monitor is faulty.
The issue is commonly caused by:
- A loose power cable
- A faulty power outlet or extension socket
- An incorrect input source
- No signal from your computer
- A temporary hardware or power issue
Follow the troubleshooting steps below to identify and resolve the problem.
Steps
- 1
- 2
Ensure:
- The power cable is firmly connected to the monitor.
- The power cable is securely plugged into the wall outlet.
- The wall outlet is switched on.
If you're using:
- an extension socket,
- surge protector, or
- power strip,
Try connecting the monitor directly to a wall outlet instead.
- 3
A power reset can clear temporary electrical issues.
- Turn off the monitor.
- Unplug the power cable.
- Wait 30 seconds.
- Press and hold the monitor's Power button for 10–15 seconds.
- Reconnect the power cable.
- Turn the monitor back on.
If the monitor still shows no signs of power, continue below.
- 4
If the power LED is on but the screen is black:
Check the display cable
- Disconnect and reconnect the HDMI or DisplayPort cable.
- Ensure both ends are securely connected.
- Try another display cable if available.
Select the correct input source
Open the monitor's Input Source menu and select the correct input:
- HDMI
- DisplayPort
Test another device
Connect the monitor to:
- another computer
- another laptop
- a gaming console
This helps determine whether the issue is with the monitor or the connected device.
- 5
Sometimes the monitor is working correctly, but the connected device isn't sending a video signal.
Try:
- Restarting your computer.
- Connecting another monitor to your computer.
- Connecting your PRISM+ monitor to another device.
Common Symptoms
| Problem | Recommended Solution |
| No power light | Check the power cable and wall outlet. |
| Power light is orange | Check the HDMI/DisplayPort cable and input source. |
| Power light is white but no picture | Test another device or display cable. |
| Monitor turns on briefly then switches off | Perform a power reset and reconnect the cables. |
| Still no power | Contact PRISM+ Customer Support. |
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