Introduction
This manual provides comprehensive instructions for the Logitech MK245nBK Wireless Keyboard and Mouse Combo. This compact and efficient wireless set is designed for reliable performance and ease of use. Please read this manual carefully before using your new device to ensure proper setup and operation.
Package Contents:
- Logitech MK245nBK Wireless Keyboard
- Logitech MK245nBK Wireless Mouse
- USB Receiver
- AAA Batteries (2 for keyboard, 2 for mouse)
- Quick Start Guide
- Warranty Policy and Warranty Card
Setup Instructions
Follow these steps to set up your Logitech MK245nBK wireless keyboard and mouse combo.
1. Install Batteries
For the Keyboard:
- Locate the battery compartment on the underside of the keyboard.
- Open the battery compartment cover.
- Insert the two AAA batteries, ensuring correct polarity (+/-).
- Close the battery compartment cover.
For the Mouse:
- Locate the battery compartment on the underside of the mouse.
- Open the battery compartment cover.
- Insert the two AAA batteries, ensuring correct polarity (+/-).
- Close the battery compartment cover.
2. Connect the USB Receiver
The Logitech MK245nBK uses a single USB receiver for both the keyboard and mouse.
- Locate an available USB port on your computer.
- Plug the USB receiver firmly into the USB port.
- Your computer should automatically detect and install the necessary drivers. This may take a few moments.

Image: The Logitech MK245nBK keyboard and mouse, shown alongside the compact USB receiver.
3. Power On and Test
- Ensure the power switch on the underside of the mouse is in the 'ON' position. The keyboard does not have a separate power switch; it activates when keys are pressed.
- Move the mouse and type on the keyboard to confirm they are functioning correctly.
- If the devices do not respond, ensure the batteries are correctly installed and the USB receiver is securely plugged in.

Image: The complete Logitech MK245nBK wireless keyboard and mouse combo, highlighting its compact design.
Operating Instructions
The Logitech MK245nBK combo offers a comfortable and efficient user experience.
Keyboard Usage
The keyboard features a compact layout without a dedicated numeric keypad, making it ideal for smaller workspaces. It offers quiet keystrokes for comfortable typing.

Image: A close-up view of the Logitech MK245nBK keyboard, showing the key layout and design.
Function Keys:
The keyboard includes 12 function keys (F1-F12) that provide quick control over media playback, volume, and other common functions. These functions are typically accessed by pressing the 'Fn' key in combination with the desired function key.

Image: The Logitech MK245nBK keyboard with its function keys highlighted, indicating media and volume controls.
Mouse Usage
The included mouse features an optical sensor for smooth and precise cursor control. It is designed for ambidextrous use.

Image: A close-up view of the Logitech MK245nBK wireless mouse, showcasing its ergonomic design.
Operating Range and Compatibility
- Operating Distance: The wireless combo operates reliably up to 10 meters (33 feet) from the USB receiver.
- Compatible Operating Systems: Windows Vista, Windows XP, Windows 7, Windows 8, Windows 10, and Chrome OS.
Maintenance
Proper maintenance ensures the longevity and optimal performance of your wireless combo.
Battery Replacement
The keyboard has a battery life of up to 3 years, and the mouse up to 1 year, depending on usage. Replace batteries when performance degrades.
- Use only new AAA alkaline batteries.
- Follow the battery installation steps outlined in the 'Setup Instructions' section.
- Dispose of old batteries according to local regulations.
Cleaning
- Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution to clean the surfaces of the keyboard and mouse.
- Avoid using harsh chemicals, abrasive cleaners, or solvents.
- Do not immerse the devices in water.
Storage
When not in use for extended periods, store the keyboard and mouse in a dry, cool place. Consider removing batteries if storing for several months to prevent leakage.
Troubleshooting
If you encounter issues with your Logitech MK245nBK combo, try the following solutions:
No Response from Keyboard or Mouse
- Check Batteries: Ensure batteries are correctly installed and not depleted. Replace if necessary.
- Check USB Receiver: Make sure the USB receiver is securely plugged into a working USB port on your computer. Try a different USB port.
- Proximity: Ensure the keyboard and mouse are within the 10-meter operating range of the USB receiver.
- Interference: Move the devices away from other wireless devices or large metal objects that might cause interference.
Cursor Movement is Erratic or Lagging
- Mouse Surface: Use the mouse on a clean, non-reflective surface. A mouse pad is recommended.
- Optical Sensor: Ensure the optical sensor on the underside of the mouse is clean and free from obstructions.
- Battery Level: Low mouse battery can affect performance. Replace batteries if needed.
Specific Keys Not Working
- Clean Keyboard: Dust or debris under the keys can cause issues. Gently clean around the affected keys.
- Software Conflict: Ensure no other software or drivers are conflicting with the keyboard input.
Compatibility Issues
- Verify your operating system is listed as compatible (Windows Vista/XP/7/8/10, Chrome OS).
- Ensure your OS is up to date with the latest service packs and drivers.
Specifications
| Model Number | MK245nBK |
| Brand | Logitech |
| Color | Black x Blue |
| Connectivity Technology | Wireless (USB Receiver) |
| Compatible Devices | PC |
| Compatible OS | Windows Vista/XP/7/8/10, Chrome OS |
| Operating Distance | 10 meters |
| Keyboard Keys | 83 keys (compact, no numeric keypad) |
| Keyboard Battery Life | Up to 36 months (2 x AAA batteries) |
| Mouse Dimensions (W x D x H) | 100.6 x 60.6 x 31.5 mm |
| Mouse Weight | 53g (excluding battery) |
| Mouse Sensor | Optical |
| Mouse Resolution | 1000 dpi |
| Mouse Buttons | 3 (including scroll wheel) |
| Mouse Scroll Wheel | Yes |
| Mouse Tilt Function | No |
| Mouse Battery Life | Up to 12 months (2 x AAA batteries) |
| Product Size (Keyboard) | 28.77 x 13.87 x 2.13 cm |
| Product Weight (Keyboard) | 540 g |
Warranty and Support
The Logitech MK245nBK Wireless Keyboard and Mouse Combo is covered by a manufacturer's warranty. For warranty claims, technical support, or service inquiries, please contact Logitech directly.
Please refer to the included Warranty Policy and Warranty Card for specific terms, conditions, and contact information. The seller cannot provide direct support for warranty-related issues.





