Troubleshooting Blank or Black Front of Room Displays with Bundled Computes

This guide explores common fixes for front of room displays (TVs) showing a blank or black image upon wake up after overnight sleep cycles.

This guide is applicable to:

• Intel NUC PC / Lenovo Core PCs from bundles with Logitech products such as Rally, Rally Bar, MeetUp, Tap, etc.

Note: The troubleshooting steps below address common configuration issues. However, in some cases, additional engineering solutions may be necessary.

For additional engineering solutions that may be required, please see our Known Issues page

Prerequisites

To begin, a keyboard and mouse is required to navigate the operating system.

• Ensure your wired keyboard and mouse are securely connected to the computer via USB ports.

• Make sure the computer is powered on and that the keyboard and mouse have power (e.g., check if any indicator lights are on).

Conduct a display test

A display test will help determine the root cause of the issue, allowing for an expedited resolution.

1. On your keyboard, press the Windows key five times in quick succession.

2. Watch the screen carefully after performing the key presses.

Analysis

If you see the Admin login screen, proceed to troubleshoot the signal processing.

1. Check the monitor's connection to the computer. Ensure the HDMI cable is firmly seated.

2. Try a different display cable or port (e.g., HDMI, DisplayPort).

3. If you have an alternative TV or monitor available, try connecting them to the PC instead for testing.

4. Insert an EDID Emulator (see below).

Resolve display issues with EDID

EDID: Extended Display Identification Data (EDID) is a metadata format for display devices to describe their capabilities to a video source (e.g., graphics card).

Steps to Resolve with EDID:

1. Update Graphics Drivers: Ensure that your computer's graphics drivers are up to date, as this can help in proper EDID communication.

2. Reset Display Settings: Sometimes resetting display settings in your graphics control panel can resolve EDID issues.

3. Use EDID Management Tools: Some advanced graphics cards or software solutions offer tools to manage or override EDID settings, which might help resolve compatibility issues.

4. Install an EDID Emulator to prevent communication issues between device and display (Microsoft's preferred resolution method)

Need additional help?

If the problem persists after these checks and adjustments, or if the Admin login screen does not appear, further investigation into both the hardware and software configurations may be necessary. In these cases, please reach out to Logitech Support for assistance.

When opening a ticket with Logitech support, please provide the following information:

To assist in troubleshooting, please provide the following information:

• The model number of your bundled PC. A guide to finding this information can be found here

• A summary of the issue(s) you are experiencing.

• The steps you have taken to resolve the issue(s).