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Dell U2520DR User Manual

Dell U2520DR
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Service Manual–U2520DB/ U2520DRB
Version: 02
Date:2021/10/08
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Dell U2520DR Specifications

General IconGeneral
Colorblack
Screen Typeled
Tiltableyes
Wall Mount100mm x 100mm
Webcamno
OS Compatibilitywindows
Screen Size25 inches
Panel Typeips
Aspect Ratio16:9
Resolution2560 x 1440
Native Resolution2560 x 1440
Refresh Rate60hz
Horizontal Viewing Angle178 degrees
Vertical Viewing Angle178 degrees
Response Time5 milliseconds
Brightness350 candela per square meter
Contrast Ratio1000:1
Pixel Pitch118 pixels per inch
Synchronizationnot applicable
HDRyes
Built-In Speakersno
Interface Connectors1 x displayport 1.4
HDMI Ports1
Power Saving Mode0.3 watts
Power Consumption24 watts
Depth with Stand7.1 inches
Width with Stand22.3 inches
Depth without Stand2.0 inches
Height without Stand13.1 inches
Net Weight without Stand9.3 pounds

Summary

General Safety Guidelines

General Safety Precautions

Safe operation and setup guidelines to prevent damage and injury.

Electrostatic Discharge Protection

Measures to prevent electronic component damage from static electricity.

Power Safety Guidelines

Exploded View and Parts List

Internal Wiring Diagram

Cable Connectivity Guide

Disassembly and Assembly Procedures

Disassembly Procedure

Step-by-step instructions for safely disassembling the monitor.

Assembly Procedure

Step-by-step instructions for safely assembling the monitor.

Monitor Troubleshooting

Self-Test Feature

Feature to check monitor functionality when the screen is dark.

Built-in Diagnostics

Diagnostic tool to identify screen abnormalities inherent to the monitor.

Common Problems and Solutions

A list of common issues and their potential solutions.

USB Type-C Charging

Product-Specific Issues

Screen Display & Control Issues

Covers screen fit, aspect ratio, and front panel control problems.

Signal & Connectivity Issues

Addresses no input signal and video port connectivity problems.

USB Specific Problems

USB Interface Not Working

Solutions for when USB peripherals are not working or recognized.

USB Type-C Power Issues

Troubleshooting issues with USB Type-C ports not supplying power.

Slow USB 3.0 Performance

Addressing slow speeds or non-responsiveness of USB 3.0 peripherals.

Wireless USB Interference with USB 3.0

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