User Guide for DELL models including: 9440 Latitude Laptop, 9440, Latitude Laptop, Laptop

XPS 14 9440 External Display Connection Guide

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1081069057
XPS 14 9440
External Display Connection Guide
Regulatory Model: P184G Regulatory Type: P184G001/P184G002 February 2024 Rev. A00

Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2024 Dell Inc. or its subsidiaries. All rights reserved. Dell Technologies, Dell, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

Contents
Chapter 1: Before you begin.......................................................................................................... 4 Check the graphics options on your computer............................................................................................................ 4 Modes of connection.......................................................................................................................................................... 4 Turn off the internal display..............................................................................................................................................5
Chapter 2: Connect external displays............................................................................................ 6 Integrated graphics............................................................................................................................................................. 6
Chapter 3: Troubleshooting......................................................................................................... 10
Chapter 4: Getting help and contacting Dell................................................................................. 11

Contents

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Before you begin
You can connect up to two 4K external displays or one 5K and above display using the Thunderbolt 4 (USB Type-C) ports available on your computer. You can connect the display without the use of USB-C or Thunderbolt 4 adapters or docking stations. Before you begin, ensure that you:  Check the graphics options on your computer.  Check the ports available on your external displays and decide on the mode of connection.
Check the graphics options on your computer
The number of external displays that are supported depends on the type of Graphics Processing Unit (GPU) available on your computer.
NOTE: On computers with Intel Arc Graphics, you can connect up to two external displays or one 8K display to the Thunderbolt 4 ports of your computer.
For more information about the graphics card or graphics processing unit available on your computer, run Dell SupportAssist on your computer, or scan your hardware at www.dell.com/support. XPS 14 9440 features Intel Arc Graphics (integrated graphics).
Modes of connection
Depending on the connectors available on your external display, you can connect the display to the Thunderbolt 4 (USB Type-C) ports on your computer using:  Daisy-chaining technique.  Thunderbolt cables, adapters, or docking stations.  USB Type-C cables, adapters, or docking stations.
NOTE: To experience the full resolution supported by your external displays, use appropriate cables. For example, use DisplayPort or HDMI cables for 4K and above resolution.
NOTE: Thunderbolt or USB Type-C docking stations can be used to connect external displays to the computer using a single Thunderbolt or USB Type-C cable, while charging the computer. For more information about the types of docking stations available from Dell, see the knowledge base article 000124295 at www.dell.com/support.
NOTE: Thunderbolt or USB Type-C adapters can also be used to connect external displays to the computer, though these adapters may not allow power charging at the same time. For more information about the types of Thunderbolt or USB Type-C adapters available from Dell, see the knowledge base article 000125728 at www.dell.com/support.
The Thunderbolt 4 (USB Type-C) ports available on your computer are shown in the following image. NOTE: When connecting a display indirectly using an adapter or docking station, it is recommended that you connect the display to the docking station first, and then connect the docking station to the Thunderbolt 4 (USB Type-C) port on your computer.
NOTE: The devices connected to the port on the left side of the computer have priority over the port on the right. While connecting external displays, it is recommended that you connect the displays to the left port.

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Before you begin

Figure 1. Thunderbolt 4 (USB Type-C) ports
Turn off the internal display
There can be instances where you want to turn off the computer internal display to connect more external displays. You can turn off the display of your computer by using the Intel Graphics Command Center. To turn off the display: 1. In the Windows search bar, type Intel Graphics Command Center and press Enter. 2. Accept the Intel Graphics Command Center software license agreement. 3. In the Intel Graphics Command Center window, click Display. The list of active displays is listed under the Connected
Displays section. 4. Click the ellipsis (...) at the upper right corner of your primary display, then click Mirror > Display 2. 5. Click the ellipsis (...) at the upper right corner of display 2, then click Make Display Primary. 6. Click the ellipsis (...) at the upper right corner of your computer display, then click Disable.

Before you begin

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Connect external displays

You can connect up to four external displays to the computer in the following ways:  Daisy chain the external displays.  Connect up to three external displays to a docking station (Thunderbolt or USB Type-C) that connects to the left
Thunderbolt 4 port. The remaining external displays connect to the right Thunderbolt 4 port .
The number of displays supported depends on the following:  If the internal display is enabled or disabled.  Your docking station or adapter may also limit the number of supported external displays. Check the documentation that
came with your docking station or adapter for details.
The following tables summarize the number of supported external displays.

Table 1. Display support (up to 4K at 60 Hz)

Graphics card

Direct Graphics Controller Direct Output Mode

Intel Arc Graphics

Not applicable

Supported external displays with computer internal display on
3

Supported external displays with computer internal display off
4

Table 2. Display support (up to 8K at 60 Hz)

Graphics card

Direct Graphics Controller Direct Output Mode

Intel Arc Graphics

Not applicable

Supported external displays with computer internal display on
Not applicable

Supported external displays with computer internal display off
1

The following table shows the supported accessories for connecting external displays to your computer. Table 3. Supported accessories for connecting external displays Accessories Dell Thunderbolt Dock - WD22TB4 Dell Adapter - USB-C to HDMI/DisplayPort with Power Pass-Through

Integrated graphics

Connecting external displays to XPS 14 9440 with integrated graphics
NOTE: When connecting a display indirectly using an adapter or a docking station (Thunderbolt or USB Type-C), it is recommended that you first connect the display to the adapter or docking station. Then, connect the adapter or docking station to the Thunderbolt 4 (USB Type-C) port on your computer. NOTE: The devices connected to the ports on the left side of the computer have priority over the ports on the right. While connecting external displays, it is recommended that you connect the displays to the left ports.
With the internal display turned on
You can connect external displays directly to the Thunderbolt 4 (USB Type-C) ports, or up to three external displays using a docking station (Thunderbolt or USB Type-C).
NOTE: The number of external displays that are supported depends on the specifications of the docking station.

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Connect external displays

 Connect an external display using a direct USB Type-C or Thunderbolt cable.

Figure 2. Connecting external display using a direct USB Type-C or Thunderbolt cable  Connect an external display using a USB Type-C to Thunderbolt/HDMI/DisplayPort adapter.

Figure 3. Connecting external display using a USB Type-C to Thunderbolt/HDMI/DisplayPort adapter  Connect up to two external displays using a docking station.

Connect external displays

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Figure 4. Connecting external display using a USB Type-C docking station  Connect up to three external displays using a docking station.

Figure 5. Connecting external displays using a USB Type-C docking station
With the internal display turned off
NOTE: Ensure that you turn off the computer's internal display before connecting the external displays. For more information, see Turn off the internal display.

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Connect external displays

You can connect external displays directly to the Thunderbolt 4 (USB Type-C) ports. You can also use a docking station (Thunderbolt or USB Type-C) to connect up to three external displays. The fourth external display is connected to the Thunderbolt 4 (USB Type-C) port of the computer, with a USB Type-C or Thunderbolt cable.  Connect two external displays using direct USB Type-C or Thunderbolt cables.
Figure 6. Connect two external displays using direct USB Type-C or Thunderbolt cables  Connect up to four external displays.

Figure 7. Connect two external displays using direct USB Type-C or Thunderbolt cables
NOTE:  Up to three displays can be connected to the docking station. The additional display can be connected to the right
Thunderbolt 4 port with a USB Type-C or Thunderbolt cable.  The total number of external displays that is supported depends on the specifications of the docking station.  The maximum supported resolution of the four external displays is 4K UHD (3840 x 2160) at 60 Hz refresh rate.

Connect external displays

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Troubleshooting
8K displays flickering
Question When I connect two 8K displays to both Thunderbolt ports on the left or right side of the computer, they flicker when run at a display rate of 60 Hz. Cause The flickering may be because of interlacing or switching as the Thunderbolt controller sent only part of the data. Workaround Connect each 8K display to a Thunderbolt port on either side of the computer. For example, one 8K display to a port on the left, and the other to a port on the right. After doing so, turn off the displays and turn them on again.
8K displays not displaying correctly
Question When I connect an 8K display to the computer using a Thunderbolt docking station, the display output is not correct from the computer. Cause The display output may not be correct due to hardware limitations with the Thunderbolt docking station. Workaround Connect the 8K display directly to a Thunderbolt port on the computer (not using a docking station). After doing so, turn off the display and turn it on again.

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Troubleshooting

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Getting help and contacting Dell

Self-help resources

You can get information and help on Dell products and services using these self-help resources:

Table 4. Self-help resources Self-help resources Information about Dell products and services

Resource location www.dell.com

My Dell app

Tips

Contact Support

In Windows search, type Contact Support, and press Enter.

Online help for operating system

www.dell.com/support/windows

Access top solutions, diagnostics, drivers and downloads, and learn more about your computer through videos, manuals, and documents.

Your Dell computer is uniquely identified by a Service Tag or Express Service Code. To view relevant support resources for your Dell computer, enter the Service Tag or Express Service Code at www.dell.com/support.

For more information about how to find the Service Tag for your computer, see Locate the Service Tag on your computer.

Dell knowledge base articles

1. Go to www.dell.com/support.
2. On the menu bar at the top of the Support page, select Support > Knowledge Base.
3. In the Search field on the Knowledge Base page, type the keyword, topic, or model number, and then click or tap the search icon to view the related articles.

Contacting Dell
To contact Dell for sales, technical support, or customer service issues, see www.dell.com/contactdell. NOTE: Availability varies by country/region and product, and some services may not be available in your country/region.
NOTE: If you do not have an active Internet connection, you can find contact information about your purchase invoice, packing slip, bill, or Dell product catalog.

Getting help and contacting Dell

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References

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