Introduction
The Lenovo 100 USB-A Wireless Combo Keyboard & Mouse offers a seamless and convenient solution for your computing needs. Designed for ergonomic comfort and durability, this combo simplifies your workspace by eliminating cable clutter. It features a spill-resistant keyboard and a precise ambidextrous mouse, ensuring reliable performance for everyday tasks.

Figure 1: The Lenovo 100 Wireless Keyboard and Mouse Combo, showcasing the full-size keyboard, ambidextrous mouse, and USB nano receiver.
Setup Guide
Unboxing and Initial Setup
- Inspect Contents: Ensure all components are present: Lenovo 100 Wireless Keyboard, Lenovo 100 Wireless Mouse, USB Nano Receiver, and 1 AAA battery (included).
- Install Batteries: Open the battery compartment on the underside of the mouse and keyboard. Insert the included AAA battery into the mouse, ensuring correct polarity. The keyboard requires 1 AA battery (included).
- Connect USB Nano Receiver: Locate an available USB-A port on your computer. Insert the USB Nano Receiver firmly into the port.
- Power On: Turn on the mouse using the power switch located on its underside. The keyboard does not have a separate power switch and will activate upon battery insertion and receiver connection.
- Automatic Pairing: The keyboard and mouse should automatically pair with the receiver. If connection issues occur, ensure the receiver is properly inserted and batteries are correctly installed.

Figure 2: The Lenovo 100 Wireless Combo highlighting the 2.4 GHz dongle for seamless wireless connectivity.
Video 1: Product Overview Video. This video demonstrates the unboxing and initial setup process for the Lenovo 100 Wireless Keyboard and Mouse Combo, including battery installation and USB receiver connection.
Operating Instructions
Keyboard Features
- Island Key Design: The keyboard features an island key design, providing comfortable and tactile typing experience.
- 3-Zone Layout: A full-size 3-zone layout includes a dedicated numeric keypad for enhanced productivity.
- Quiet Keys: Enjoy a quiet typing experience, ideal for shared workspaces or late-night use.
Mouse Features
- Ambidextrous Design: The contoured mouse is designed for comfortable use by both left and right-handed users.
- 1000 DPI Resolution: Experience precise and effortless navigation with the 1000 DPI optical sensor.

Figure 3: Detailed view of the Lenovo 100 Wireless Combo highlighting features like the ultra-slim keyboard design, 3-zone layout, ambidextrous mouse, and 1000 DPI resolution.
Maintenance and Care
- Spill-Resistant Design: The keyboard features a spill-resistant design with a convenient drain hole. In case of minor spills, gently wipe the surface and allow it to dry completely before continued use.
- Cleaning: Use a soft, dry cloth to clean the surfaces of the keyboard and mouse. For stubborn dirt, a slightly damp cloth with mild soap can be used, ensuring no liquid enters the internal components.
- Battery Replacement: Replace batteries when performance degrades. Refer to the 'Setup Guide' for battery type and installation.

Figure 4: The Lenovo 100 Wireless Keyboard demonstrating its waterproof exterior and spill-resistant design with a drain hole.
Troubleshooting
- No Connection/Lag:
- Ensure the USB Nano Receiver is securely plugged into a working USB port.
- Check and replace batteries in both the keyboard and mouse if necessary.
- Move the keyboard and mouse closer to the USB receiver to reduce interference.
- Try plugging the USB receiver into a different USB port on your computer.
- Keys Not Responding:
- Verify battery levels.
- Clean around the affected keys to ensure no debris is obstructing them.
- Mouse Cursor Jumps/Is Erratic:
- Ensure the mouse sensor is clean and free of dust or debris.
- Use the mouse on a clean, non-reflective surface.
Product Specifications
| Feature | Detail |
|---|---|
| Brand | Lenovo |
| Model Number | GX31K80998 |
| Connectivity Technology | Wireless USB (2.4 GHz Nano Receiver) |
| Keyboard Layout | Full-size, 3-zone, Island Key Design |
| Mouse DPI | 1000 DPI |
| Mouse Design | Ambidextrous, Contoured |
| Special Features | Spill-resistant keyboard with drain hole |
| Compatible Operating Systems | Mac, Windows |
| Power Source | Battery Powered (1 AAA for mouse, 1 AA for keyboard - included) |
| Item Weight | 1.48 pounds |
| Package Dimensions | 21.02 x 6.69 x 1.73 inches |
Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official Lenovo website or contact Lenovo customer support directly. Keep your purchase receipt for warranty claims.
Lenovo Support: www.lenovo.com/support