
Do you have a question about the Dell Thunderbolt U4025QW and is the answer not in the manual?
| Screen Size | 40 inches |
|---|---|
| Aspect Ratio | 21:9 |
| Panel Type | IPS Black |
| Refresh Rate | 60 Hz |
| Color Support | 1.07 billion colors |
| Curvature | 2500R |
| VESA Mount | 100 x 100 mm |
| KVM Switch | Yes |
| Resolution | 5120 x 2160 |
| Brightness | 300 cd/m² |
| Contrast Ratio | 1000:1 |
| Response Time | 5 ms |
| Color Gamut | 98% DCI-P3 |
| Ports | RJ45 |
| Speakers | 2 x 9W |
| Built-in Microphone | Yes |
| Stand Adjustability | Height, Tilt, Swivel |
| Weight (with stand) | 14.4 kg |
Lists components shipped with the monitor.
Details the monitor's key features and capabilities.
Explains the blue light ratio and its compliance levels.
Details the requirements and star rating scheme for eye comfort certification.
Identifies and describes the front panel components and ports.
Identifies the ambient light sensor on the top of the monitor.
Identifies and describes the back panel components and ports.
Identifies and describes the bottom panel ports and connectors.
Details horizontal/vertical scan ranges and maximum resolutions.
Lists various display modes with their resolutions and frequencies.
Specifies max external monitor resolution for daisy chain setups.
Details the types of connectors available on the monitor.
Lists physical dimensions and weight of the monitor with/without stand.
Lists max video resolutions for Thunderbolt host capabilities.
Lists max video resolutions for HDMI versions.
Lists max video resolutions for DisplayPort versions.
Shows pin assignments for the DisplayPort input connector.
Shows pin assignments for the HDMI port.
Details pin assignments for Thunderbolt 4 and USB Type-C ports.
Provides information about available USB ports and their capabilities.
Details transfer speeds and power consumption for USB 3.2 Gen2 devices.
Describes the LED indicators for the RJ45 connector.
Provides instructions and warnings for safely cleaning the monitor.
Step-by-step guide on how to attach the monitor stand.
Explains how to adjust the monitor's tilt, swivel, and height.
Provides guidance on managing cables for a clean setup.
Details how to connect the monitor using an HDMI cable.
Steps to change monitor's primary resolution via OSD using HDMI.
Illustrates how to connect the monitor using a DisplayPort cable.
Illustrates how to connect the monitor using a Thunderbolt 4 cable.
Shows how to connect the monitor using a USB-C cable.
Shows how to connect with a USB Type-C to Type-C cable.
Basic instruction on how to turn the monitor on.
How to navigate and use the monitor's joystick control.
Guide to enable an accessibility feature for visually impaired users.
Explains the functions of the joystick and its menu launcher.
Describes the front panel buttons for image adjustments.
Details how to adjust brightness, contrast, and related settings via the OSD.
Explains how to adjust monitor color temperature.
How to sync monitor settings across daisy-chained displays.
How to select different video input sources.
How to select the Thunderbolt 140W input source.
How to select the DisplayPort input source.
How to select the HDMI input source.
Details how to adjust color settings and use preset modes.
How to change the video color mode (RGB/YCbCr).
How to adjust color saturation in Movie and Game modes.
Options for adjusting aspect ratio, sharpness, and response time.
How to adjust screen uniformity for brightness and color.
How to enable and use Smart HDR for enhanced display output.
Bandwidth management for daisy-chained monitors.
How to control PC power state from the monitor.
How to adjust PIP or PBP modes and their layouts.
Selecting video signals for the PBP sub-window.
Switching USB upstream sources in PBP mode.
Swapping main and sub-windows in PBP mode.
Enabling dual screen and selecting partition ratios.
Setting the Ethernet switch mode for KVM functionality.
Adjusting volume and speaker settings.
Enabling/disabling monitor parameter adjustment via computer software.
Helps reduce minor cases of image retention.
How to run the monitor's built-in diagnostic tool for screen issues.
Restoring all settings to factory default values.
Accessing support materials by scanning a QR code.
Locking OSD menu, power button, or both using the joystick.
Unlocking OSD menu, power button, or both after they have been locked.
How to run the monitor's self-test feature to diagnose issues.
How to run the monitor's built-in diagnostic tool for screen issues.
Lists common symptoms and their possible solutions.
Lists problems specific to the monitor and their solutions.
Lists specific problems related to USB interface functionality and solutions.











