Skip to main content
Sign Out

Welcome to Dell

My Account
  • Place orders quickly and easily
  • View orders and track your shipping status
  • Enjoy members-only rewards and discounts
  • Create and access a list of your products
Sign In Create an Account Premier Sign In Dell Financial Services Partner Program Sign In
Contact Us

Your Dell.com Carts

Some article numbers may have changed. If this isn't what you're looking for, try searching all articles. Search articles

Dell KM7120W Multi-Device Wireless Keyboard and Mouse Usage and Troubleshooting Guide

Summary: The following article provides information about the Dell KM7120W Multi-Device Wireless Keyboard and Mouse. You can reference each section to learn more about the features of the Dell KM7120W Multi-Device Wireless Keyboard and Mouse and how to use them. ...

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.
Check out other resources

Instructions

Table of Contents:

  1. What is in the Dell KM7120W Multi-Device Wireless Keyboard and Mouse box?
  2. Multi-Device Wireless Keyboard and Mouse Features
  3. Setting up your Multi-Device Wireless Keyboard and Mouse
  4. Troubleshooting
  5. Additional Information

Product Shot

(Figure.1 Work faster and smarter with the Dell Multi-Device Wireless Keyboard and Mouse - KM7120W)

"Seamlessly switch between three devices at any time with a click of the button and enhance your productivity with its 36-month battery life."

 

What is in the Dell KM7120W Multi-Device Wireless Keyboard and Mouse box

 

What's in the box?

(Figure.2 Dell KM7120W Multi-Device Wireless Keyboard and Mouse Box Contents)

1 Wireless Keyboard 2 Wireless Mouse
3 Documents 4 USB Receiver
5 Batteries
(AA x3)		    
 


Back to Top

 

Multi-Device Wireless Keyboard and Mouse Features

 

Top View

KM7120W Top View

(Figure.3 Dell KM7120W Multi-Device Wireless Keyboard and Mouse Top View)

Right-Hand Side View

KM7120W Right Hand Side View

(Figure.4 Dell KM7120W Premier Multi-Device Wireless Keyboard Right-Hand Side View)

Product Features

LM7120W Keyboard and Mouse Product Features

(Figure.5 Dell KM7120W Multi-Device Wireless Keyboard and Mouse Product Features)

1 RF 2.4 GHz Mode Indicator 2 Bluetooth 5.0 Mode Indicator
3 Toggle Button 4 Scroll Wheel (With Tilt)
5 Programmable Buttons 6 Programmable Keys (F1-F12)
7 Battery Status Indicator    
 

Multi-Device Features

Connect up to three devices with this keyboard and mouse combo. The dual-mode RF 2.4 GHz and Bluetooth 5.0 connectivity lets you effortlessly switch across devices. Using either the connection-mode key or the button on your keyboard and mouse.

KM7120W LEDs

(Figure.6 Dell KM7120W Premier Multi-Device Wireless Keyboard Indicators)


Back to Top

 

Setting up your Multi-Device Wireless Keyboard and Mouse

 

Compatibility

Operating Systems:

  • Wireless 2.4 GHz Connectivity:

    • Windows 7, 8, 8.1 and 10; Mac; Linux (Redhat 8.0/Ubuntu 18.04); Chrome; and Android OS

  • Wireless Bluetooth 5.0 Connectivity:

    • Windows 8.1 and 10; Mac; Linux (Redhat 8.0/Ubuntu 18.04); Chrome; and Android OS

Using the Dell Peripheral Manager application:

  • Windows 10 or later

Connecting the Multi-Device Wireless Keyboard and Mouse USB Receiver

The Dell KM7120W Multi-Device Wireless Keyboard and Mouse uses a USB Type-A receiver dongle to connect to your Desktop or Laptop computer. The receiver is located inside the battery compartment of the mouse.

USB Type-A Receiver Dongle

(Figure.7 USB Type-A Dongle)

Note: You can purchase a USB Type-C to Type-A adapter separately, if your computer does not support USB Type-A connectors.
 

Connecting the Multi-Device Wireless Keyboard and Mouse to your Computer

You can get step-by-step instructions on the following guides:

  • Dell Peripheral Manager User's Guide
  • Dell Multi-Device Wireless Keyboard and Mouse KM7120W Quick Start Guide
  • Dell Multi-Device Wireless Keyboard and Mouse KM7120W User’s Guide

The guides are available on our support site:


Back to Top

 

Troubleshooting

 

Problems Possible Cause Possible Solutions
Unable to use the wireless mouse/wireless keyboard. The White LED indicator on top of the mouse/keyboard does not light up when the mouse/keyboard is turned on.
  1. Check if the battery is inserted correctly. Battery + and - ends should follow those indicated on the battery compartment label.
  2. Check the battery level.
    • If the wireless mouse uses a rechargeable battery, ensure that the battery is fully charged.
    • If the battery is exhausted, replace it with a new one.
  3. Turn the wireless mouse/wireless keyboard off, and then turn it on again. Check if the battery-status light is flashing amber, indicating that the battery power is low. If the battery is fully depleted, the battery-status light does not turn on.
  4. Ensure that the USB receiver is directly connected to your computer. Avoid using the port replicators, USB hubs, and so on.
  5. Change the USB port. Insert the USB receiver into another USB port on your computer.
  6. Update the Bluetooth driver on your computer:
    1. Open the web browser and download the latest Bluetooth drivers from https://www.dell.com/support.
    2. Restart your computer.
Unable to pair the wireless mouse/wireless keyboard to the computer using Bluetooth. The Bluetooth icon on the computer does not light up when connecting the mouse/keyboard to the computer.
  1. Check the battery level:
    • If the wireless mouse/wireless keyboard uses a rechargeable battery, ensure that the battery is fully charged.
    • If the battery is exhausted, replace it with a new one.
  2. Turn the wireless mouse/wireless keyboard off, and then turn it on again. Check if the battery-status light is flashing amber, indicating that the battery power is low. If the battery is fully depleted, the battery status light does not turn on.
  3. Restart your computer.
  4. Check that the operating system is Windows 10/Windows 8/Chrome/Android.
  5. Ensure that the wireless mouse/wireless keyboard is set to Bluetooth Low Energy (BLE) mode in your computer. For more information, see the documentation that came with your computer.
Mouse pointer does not move. The mouse pointer is not responding.
  1. Check the battery level:
    • If the wireless mouse/wireless keyboard uses a rechargeable battery, ensure that the battery is fully charged.
    • If the battery is exhausted, replace it with a new one.
  2. Turn the wireless mouse/wireless keyboard off, and then turn it on again. Check if the battery-status light is flashing amber, indicating that the battery power is low. If the battery is fully depleted, the battery status light does not turn on.
  3. Restart your computer.
Left/right buttons do not work. No response when the left of right mouse button is pressed.
  1. Check the battery level:
    • If the wireless mouse/wireless keyboard uses a rechargeable battery, ensure that the battery is fully charged.
    • If the battery is exhausted, replace it with a new one.
  2. Turn the wireless mouse/wireless keyboard off, and then turn it on again. Check if the battery-status light is flashing amber, indicating that the battery power is low. If the battery is fully depleted, the battery status light does not turn on.
  3. Restart your computer.
Unable to pair the wireless mouse/keyboard with the computer. Wireless pairing error message is received while pairing the mouse/keyboard with the computer.
  1. Check the battery level:
    • If the wireless mouse/wireless keyboard uses a rechargeable battery, ensure that the battery is fully charged.
    • If the battery is exhausted, replace it with a new one.
  2. Turn the wireless mouse/wireless keyboard off, and then turn it on again. Check if the battery-status light is flashing amber, indicating that the battery power is low. If the battery is fully depleted, the battery status light does not turn on.
  3. Restart your computer.
Wireless connection is lost. Previously paired mouse/keyboard no longer works on the computer.
  1. Ensure that the USB receiver is connected directly to your computer. Avoid using the port replicators, USB hubs, and so on.
  2. Change the USB port. Insert the USB receiver into another USB port on your computer.
 


Back to Top

Additional Information

 

 

Dell Keyboard and Mouse Support Site

Learn how to use and troubleshoot problems with the Keyboard and Mouse you use with your computer. You can find information about Troubleshooting steps, How-To guides and relevant Support Videos for assistance.

For the Dell KM7120W Multi-Device Wireless Keyboard and Mouse User Guide, browse to the following page: Dell KM7120W Multi-Device Wireless Keyboard and Mouse Online Manual Page (Touch or click View PDF to the right of the User Guide, in the Manuals and Documents section.)


Back to Top

Products

Dell Multi-Device Wireless Keyboard and Mouse Combo KM7120W
Article Properties
Article Number: 000206143
Article Type: How To
Last Modified: 06 Dec 2022
Version:  1
Find answers to your questions from other Dell users
Support Services
Check if your device is covered by Support Services.