1. Introduction
This manual provides instructions for the Yechiry Wired Gaming Keyboard, Model Yechirydm1uw0ors4. This mechanical keyboard features RGB backlighting, retro-style keycaps, and a plug-and-play design for ease of use. Please read this manual thoroughly before using the product to ensure proper operation and maintenance.
2. Package Contents
Verify that all items listed below are included in your package:
- Yechiry Wired Gaming Keyboard
- Keycap Puller (Tweezer)
- Spare Mechanical Switches (2 pieces)
- User Manual (this document)

Image: The Yechiry Wired Gaming Keyboard, showing the keyboard itself, the USB cable, a keycap puller, and two spare mechanical switches.
3. Setup Instructions
- Unpack the Keyboard: Carefully remove the keyboard and all accessories from the packaging.
- Connect to Computer: Locate the USB-A connector on the keyboard's cable. Plug this connector into an available USB-A port on your computer.
- Driver Installation: The keyboard is designed for plug-and-play operation. Your operating system should automatically detect and install the necessary drivers. No additional software installation is typically required.
- Verify Connection: Once connected, the keyboard's RGB backlighting should illuminate, indicating a successful connection. Test typing to ensure all keys are responsive.
4. Operating Instructions
4.1 Basic Keyboard Functions
The Yechiry Wired Gaming Keyboard functions as a standard QWERTY keyboard. All standard alphanumeric keys, function keys (F1-F12), navigation keys, and a numeric keypad are present.
4.2 RGB Backlight Control
The keyboard features customizable RGB backlighting. Specific key combinations are used to adjust lighting modes and brightness. Refer to the following table for common controls:
| Function | Key Combination |
|---|---|
| Cycle through RGB lighting modes | Fn + Scroll Lock (or similar, depending on specific model variant) |
| Adjust backlight brightness | Fn + Up Arrow (increase) / Fn + Down Arrow (decrease) |
| Change backlight color (static modes) | Fn + Right Arrow (or similar) |

Image: The keyboard displaying its RGB backlighting, highlighting the illuminated keys.
4.3 Shortcut Function Keys
The keyboard incorporates a series of shortcut function keys, typically accessed by holding the Fn key and pressing a corresponding F-key or other designated key. These shortcuts provide quick access to multimedia controls and other system functions.
- Fn + F1-F12: May control media playback (play/pause, stop, previous/next track), volume (mute, volume up/down), or open applications (e.g., calculator, email). Specific functions may vary.
- Fn + Win: Locks/unlocks the Windows key to prevent accidental presses during gaming.

Image: The keyboard with its "humanized design" and shortcut function keys, demonstrating the ergonomic layout and accessibility.
5. Maintenance
Proper maintenance ensures the longevity and performance of your keyboard.
- Cleaning:
- Disconnect the keyboard from your computer before cleaning.
- Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution to wipe the keycaps and keyboard surface.
- For dust and debris between keys, use compressed air or a small brush.
- To clean under keycaps, use the provided keycap puller to carefully remove keycaps. Reinstall them by pressing firmly until they click into place.
- Storage: Store the keyboard in a dry, cool environment away from direct sunlight and extreme temperatures.
- Avoid Liquids: Do not expose the keyboard to liquids. In case of spills, immediately disconnect the keyboard and allow it to dry completely before reconnecting.

Image: The keycap puller tool, used for safely removing and cleaning keycaps.
6. Troubleshooting
If you encounter issues with your keyboard, refer to the following common problems and solutions:
- Keyboard not responding:
- Ensure the USB cable is securely plugged into both the keyboard and the computer.
- Try plugging the keyboard into a different USB port on your computer.
- Restart your computer.
- Test the keyboard on another computer to determine if the issue is with the keyboard or your system.
- Backlighting not working or incorrect:
- Ensure the keyboard is properly connected and powered.
- Use the RGB control key combinations (e.g., Fn + Scroll Lock, Fn + Up/Down Arrow) to adjust modes and brightness.
- If the issue persists, disconnect and reconnect the keyboard.
- Keys not registering or double-typing:
- Clean the affected keycap and switch area for any debris.
- If a specific switch is faulty, you may replace it using the provided spare switches and keycap puller. Carefully pull the keycap, then use a switch puller (not included, but some keycap pullers can assist) to remove the switch, and insert a new one.

Image: A detailed view of a mechanical switch, which can be replaced if a key becomes unresponsive.
7. Specifications
| Feature | Detail |
|---|---|
| Model | Yechirydm1uw0ors4 |
| Brand | Yechiry |
| Connectivity | Wired (USB-A) |
| Keyboard Type | Mechanical |
| Keycap Style | Retro Round |
| Backlighting | RGB |
| Number of Keys | 104 |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Dimensions (L x W x H) | 16.56" x 6.69" x 2.36" |
| Compatible Devices | PC |
8. Product Video Demonstration
Watch this short video for a visual overview of the Yechiry Wired Gaming Keyboard's features, including its retro design and RGB lighting.
Video: A 10-second demonstration of the Yechiry Wired Gaming Keyboard, highlighting its retro round keycaps and RGB backlighting effects.
9. Warranty and Support
For warranty information, technical support, or customer service inquiries, please refer to the contact information provided at the point of purchase or visit the official Yechiry brand store online. Keep your purchase receipt for warranty claims.