Turning HDMI Monitor Causes Display Disconnect on Dell Precision 3571 with Dell U2717D

Turning an HDMI Monitor: Causes Display Disconnect for Dell Precision 3571 and Dell U2717D

Connecting multiple monitors to a laptop can enhance productivity, providing more screen real estate for multitasking. However, sometimes, display disconnects occur when connecting a Dell Precision 3571 laptop to a Dell U2717D monitor via HDMI. This article explores the possible causes of this issue and provides solutions for a seamless connection.

Connection Setup

In this scenario, we will focus on connecting two Dell U2717D monitors to a Dell Precision 3571 laptop, one using HDMI and the other using a USB-C to DisplayPort cable. Here's a step-by-step guide to setting up the connection:

1. Connect the first monitor to the laptop's HDMI port using an HDMI cable.
2. Connect the second monitor to the laptop's USB-C port using a USB-C to DisplayPort cable.

Issue: Display Disconnect with HDMI

Users might encounter a display disconnect issue when the laptop goes to sleep or switches to another display. This issue might be due to the following reasons:

1. Power Management: Power settings in the laptop or the monitor might cause the display to disconnect when the laptop goes to sleep or switches to another display.
2. Driver Conflict: Outdated or conflicting graphics drivers might cause the HDMI connection to drop.
3. Cable or Port Issue: A faulty HDMI cable or port in the laptop might cause the issue.

Solutions

Adjust Power Settings

To adjust the power settings in Windows 10, follow these steps:

1. Press Windows + X and selectDevice Manager.
2. ExpandDisplay adaptersand right-click on the graphics card.
3. SelectPropertiesand navigate to thePower Managementtab.
4. UncheckAllow the computer to turn off the displayandAllow this device to wake the computer.

Update Drivers

To update the graphics drivers, follow these steps:

1. Press Windows + X and selectDevice Manager.
2. ExpandDisplay adaptersand right-click on the graphics card.
3. SelectUpdate Driverand chooseSearch automatically for updated driver software.

Check Cables and Ports

Make sure that the HDMI cable is not damaged and that the HDMI port on the laptop is clean and free of debris.

Additional Configuration

To ensure a smooth connection between the Dell Precision 3571 laptop and the Dell U2717D monitors, follow these steps:

1. Press Windows + P to open theProjectmenu and selectExtend.
2. Right-click on the desktop and selectDisplay Settings.
3. Ensure that both monitors are detected and properly identified.
4. AdjustResolution,Scale, andOrientationas needed for each monitor.

• Ensure that power management settings for the laptop and monitor, drivers, and cables or ports do not cause the HDMI display disconnect issue.
• Adjust display settings in Windows 10 for a smooth connection between the Dell Precision 3571 laptop and the Dell U2717D monitors.

References

• Dell Community Forum: Dell XPS 13 9360 connecting to 2 external monitors, 1 USB-C, 1 HDMI
• Dell Support: Disable the Allow the computer to turn off the display Power Management settings for optimal performance