1. Introduction
This manual provides essential information for the proper setup, operation, and maintenance of your Samsung U28E590D 28-inch 4K UHD LED-Lit Monitor. Please read this manual thoroughly before using the product to ensure safe and efficient use.
The Samsung U28E590D monitor delivers stunning Ultra HD picture quality, bringing PC viewing, gaming, and other content to life with incredible detail. It features AMD FreeSync technology, a fast 1ms response time, and a wide color gamut for realistic images. Designed for comfort, it includes Flicker Free technology and Eye Saver Mode.

Figure 1: Front view of the Samsung U28E590D 28-inch 4K UHD LED-Lit Monitor.
2. Package Contents
Ensure all items are present in the box before proceeding with setup:
- Samsung U28E590D Monitor
- Power Cable
- HDMI Cable
- DisplayPort Cable
- Stand Base and Neck
- Quick Setup Guide
- Warranty Card (Region Dependent)
3. Setup Instructions
3.1 Assembling the Stand
- Carefully place the monitor face down on a soft, clean cloth to prevent scratches.
- Attach the stand neck to the monitor panel using the provided screws.
- Connect the stand base to the stand neck and secure it with the thumb screw.
- Carefully lift the assembled monitor and place it on a stable, flat surface.
3.2 Connecting to a Device
The monitor supports multiple connectivity options for Ultra HD devices:
- HDMI 2.0 (x2): Connect your PC, gaming console, or other HDMI-enabled devices.
- DisplayPort (x1): Connect your PC or other DisplayPort-enabled devices.
For optimal 4K resolution at 60Hz, use either the HDMI 2.0 ports or the DisplayPort connection.
3.3 Power Connection
Connect the power cable to the monitor's power input and then plug the other end into a grounded electrical outlet (AC 100-240 V).
3.4 VESA Mount Compatibility
The monitor features a 3 x 3 inch VESA mounting interface for use with specialty arm mounting hardware. Ensure any third-party mount is compatible with the monitor's weight and VESA standard.

Figure 2: Monitor dimensions and stand footprint for placement considerations.
4. Features Overview
- Ultra HD (UHD) Resolution: Experience a new level of detail with 3840x2160 resolution, offering four times the pixels of Full HD.
- AMD FreeSync: Synchronizes the screen refresh rate with your graphics card's frame rate to minimize input latency and dramatically reduce image tearing and stuttering during gaming.
- 1ms Response Time: Ensures smooth motion and reduces ghosting, crucial for fast-paced gaming and video content.
- 1 Billion Colors: Delivers detailed, natural-looking, and extremely realistic images with a wide range of colors.
- Picture-in-Picture (PIP) 2.0: Allows you to watch a movie or video in one window while simultaneously working on a spreadsheet or other application, maintaining the original resolution of the source.
- Flicker Free Technology: Reduces screen flickering to minimize eye strain and enhance viewing comfort during extended use.
- Eye Saver Mode: Optimizes viewing comfort by reducing blue light emissions, which can cause eye fatigue.
Video 1: Official product overview of the Samsung U28E590D monitor, highlighting its key features and benefits.
5. Operating Instructions
5.1 Power On/Off
Press the power button located on the back of the monitor to turn it on or off. The power indicator light will illuminate when the monitor is on.
5.2 On-Screen Display (OSD) Menu
Use the small control panel button (joystick) on the back of the monitor to navigate the OSD menu. This menu allows you to adjust various settings:
- Brightness/Contrast: Adjust the display's luminance and color difference.
- Color: Fine-tune color temperature, gamma, and saturation.
- Picture: Select preset picture modes (e.g., Standard, Cinema, Dynamic) or customize settings.
- Input: Manually select the input source (HDMI1, HDMI2, DisplayPort).
- PIP/PBP: Configure Picture-in-Picture or Picture-by-Picture modes.
- System: Access general settings like language, OSD transparency, and power-saving options.
5.3 Activating Eye Saver Mode
To reduce blue light and minimize eye strain, navigate to the OSD menu, select 'Picture', and then enable 'Eye Saver Mode'.
6. Maintenance
6.1 Cleaning the Monitor
To clean the monitor, first turn it off and unplug the power cable. Use a soft, lint-free cloth lightly dampened with water or a mild, non-abrasive screen cleaner. Do not spray cleaner directly onto the screen.
6.2 General Care
Avoid placing heavy objects on the monitor or its cables. Do not expose the monitor to extreme temperatures, humidity, or direct sunlight. Ensure adequate ventilation around the monitor to prevent overheating.
7. Troubleshooting
7.1 No Picture on Screen
- Check if the power cable is securely connected to both the monitor and the power outlet.
- Verify that the video cable (HDMI or DisplayPort) is firmly connected to both the monitor and your source device.
- Ensure the correct input source is selected in the OSD menu.
- Confirm that your source device (PC, console) is powered on and functioning correctly.
7.2 Image Tearing or Stuttering
- If using an AMD graphics card, ensure AMD FreeSync is enabled in both the monitor's OSD menu and your graphics card settings.
- Check your graphics card drivers and update them to the latest version.
- Ensure your video cable is capable of supporting the selected resolution and refresh rate.
7.3 Unclear or Distorted Image
- Adjust the resolution of your source device to match the monitor's native resolution (3840x2160).
- Check the video cable for any damage or loose connections.
- Reset the monitor's picture settings to factory defaults via the OSD menu.
8. Specifications
| Feature | Specification |
|---|---|
| Standing Screen Display Size | 28 Inches |
| Screen Resolution | 3840x2160 |
| Max Screen Resolution | 3840 x 2160 Pixels |
| Brand | Samsung |
| Series | LU28E590DS |
| Item Model Number | LU28E590DS |
| Item Weight | 11.6 pounds |
| Product Dimensions | 7.36 x 26.01 x 18.44 inches |
| Item Dimensions LxWxH | 7.36 x 26.01 x 18.44 inches |
| Color | Black High Glossy/Metallic Silver |
| Voltage | 240 Volts |
| Manufacturer | Samsung IT |
| Date First Available | May 10, 2015 |
| Aspect Ratio | 1.78:1 |
| Screen Surface Description | Glossy |
9. Warranty and Support
For warranty information, please refer to the warranty card included in your product packaging. For technical support, product registration, or service inquiries, please visit the official Samsung support website or contact their customer service helpline.
Operating Conditions: Temperature 50°F to 104°F (10°C to 40°C).





