1. Product Overview
The LG 32UD59-B is a 32-inch 4K UHD (3840 x 2160) monitor featuring a VA display panel, DCI-P3 95% color gamut, HDCP 2.2 compatibility, and AMD FreeSync technology. It is designed to provide clear visuals for various applications, including general computing, multimedia consumption, and gaming.

Figure 1: LG 32UD59-B Monitor with approximate dimensions. The monitor measures approximately 28.7 inches in width, 18 inches in height, and 9.3 inches in depth with the stand.
2. Setup Instructions
2.1 Unpacking and Component Check
Carefully remove all components from the packaging. Ensure the following items are present:
- LG 32UD59-B Monitor
- Monitor Stand (Base and Neck)
- Power Cord
- HDMI Cable
- DisplayPort Cable
- User Manual (this document)
2.2 Assembling the Stand
- Place the monitor face down on a soft, clean cloth to prevent scratches.
- Attach the stand neck to the back of the monitor until it clicks into place.
- Secure the stand base to the stand neck using the provided screw.
2.3 Connecting Cables
Connect the necessary cables to the monitor and your computer or device.
- Power Connection: Connect the power cord to the monitor's power input and then to a wall outlet.
- Video Connection: Connect either an HDMI cable or a DisplayPort cable from your computer's video output to the corresponding input on the monitor. For 4K resolution at 60Hz, DisplayPort is recommended.
- Audio Connection (Optional): If using external speakers, connect them to your computer's audio output. The monitor has built-in speakers, but external audio solutions may offer superior sound quality.

Figure 2: Front view of the LG 32UD59-B Monitor. The monitor features a slim bezel design and a central joystick control for OSD navigation.
2.4 Initial Power-On
Press the power button (often integrated with the joystick control) to turn on the monitor. The monitor will automatically detect the input signal. If no signal is detected, ensure your computer is powered on and the video cable is securely connected.
3. Operating the Monitor
3.1 On-Screen Display (OSD) Controls
The monitor's settings are adjusted using a joystick button located on the bottom center of the monitor. Press the joystick to access the main OSD menu.
- Joystick Up/Down: Navigate through menu options.
- Joystick Left/Right: Adjust values or move to sub-menus.
- Joystick Press: Select an option or confirm a setting.
3.2 Main OSD Menu Options
Key settings accessible via the OSD include:
- Picture Mode: Select from various preset modes (e.g., Custom, Reader, Photo, Cinema, Gaming).
- Brightness/Contrast: Adjust the overall luminance and contrast of the display.
- Sharpness: Adjust the clarity of the image. Excessive sharpness can lead to artifacts.
- Input: Manually select the active input source (HDMI, DisplayPort).
- AMD FreeSync: Enable or disable AMD FreeSync technology for compatible graphics cards to reduce screen tearing and stuttering.
- Black Stabilizer: Adjust the black level to improve visibility in dark scenes. Note that high settings may wash out darker images.
- Response Time: Adjust the pixel response time. Higher settings can reduce motion blur but may introduce ghosting in some scenarios.
- General: Access language settings, OSD lock, and factory reset options.
3.3 Software Features (On-Screen Control / Screen Split)
The LG 32UD59-B supports LG's On-Screen Control software, which allows you to adjust monitor settings, including picture mode presets, volume, brightness, and Screen Split 2.0, directly from your computer using a mouse. Dual Controller functionality is also available for managing multiple computers with a single keyboard and mouse.
Download the latest On-Screen Control software from the official LG website for full functionality.
4. Maintenance
4.1 Cleaning the Monitor
- Screen: Gently wipe the screen with a soft, lint-free cloth. For stubborn marks, lightly dampen the cloth with water or a specialized screen cleaner. Avoid using alcohol, ammonia, or abrasive cleaners.
- Exterior: Wipe the monitor casing with a soft, dry cloth.
Caution: Always unplug the monitor from the power outlet before cleaning. Do not spray liquids directly onto the screen or casing.
4.2 Safety Precautions
- Do not block ventilation openings.
- Do not expose the monitor to rain or moisture.
- Avoid placing heavy objects on the power cord.
- Do not attempt to service the monitor yourself. Refer all servicing to qualified service personnel.
5. Troubleshooting
If you encounter issues with your monitor, refer to the following troubleshooting guide:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cord not connected or power outlet issue. | Ensure power cord is securely connected to monitor and outlet. Test outlet with another device. |
| No signal / "No Signal" message | Video cable not connected or incorrect input selected. | Check video cable connections (HDMI/DisplayPort). Use the OSD to manually select the correct input source. Ensure computer is powered on. |
| Image flickering or unstable | Cable issue, graphics card driver, or FreeSync setting. | Try a different video cable. Update graphics card drivers. If using AMD FreeSync, ensure it's enabled correctly in both monitor OSD and graphics card settings. |
| Image not filling screen (underscan) | Graphics card scaling settings. | Adjust scaling options in your graphics card control panel (e.g., AMD Radeon Settings, NVIDIA Control Panel). |
| Dark images appear washed out | Black Stabilizer setting too high. | Lower the Black Stabilizer setting in the OSD menu. |
| Ghosting or motion blur | Response Time setting too high. | Adjust the Response Time setting in the OSD menu to a lower value. |
6. Specifications
Key technical specifications for the LG 32UD59-B monitor:
- Display Size: 32 inches (80.01 cm)
- Panel Type: VA
- Resolution: 3840 x 2160 (4K UHD)
- Aspect Ratio: 16:9
- Color Gamut: DCI-P3 95%
- HDCP: HDCP 2.2 Compatible
- Adaptive Sync: AMD FreeSync Technology
- Connectivity: HDMI, DisplayPort
- Dimensions (WxHxD with Stand): Approximately 28.66 x 18.03 x 10.47 inches
- Weight (with Stand): Approximately 19.8 pounds
- Model Number: 32UD59-B
7. Warranty and Support
For warranty information, please refer to the warranty card included with your product or visit the official LG website for your region. LG provides customer support for product inquiries, technical assistance, and service requests.
To obtain support, visit www.lg.com/us/support or contact LG customer service directly.