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Dell Compact Multi-Device Wireless Keyboard KB740 Usage and Troubleshooting Guide

Summary: The following article provides information about the Dell Compact Multi-Device Wireless Keyboard KB740. You can reference each section to learn more about the features of the Dell Compact Multi-Device Wireless Keyboard KB740 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.
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Instructions

Table of Contents:

  1. What is in the Dell Compact Multi-Device Wireless Keyboard KB740 box?
  2. Wireless Keyboard Features
  3. Setting up your Wireless Keyboard
  4. Troubleshooting
  5. Additional Information

KB740 Product Shot

(Figure.1 Work faster and smarter with the Dell Compact Multi-Device Wireless Keyboard KB740)

 

What is in the Dell Compact Multi-Device Wireless Keyboard KB740 box?

 

KB740 What is in the box?

(Figure.2 Dell Compact Multi-Device Wireless Keyboard KB740 Box Contents)

1 Wireless Keyboard 2 Documents
3 Universal USB Receiver 4 Batteries
(AA x2)
 


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Wireless Keyboard Features

 

Top View

KB740 Top View

(Figure.3 Dell Compact Multi-Device Wireless Keyboard KB740 Top View)

Right-Hand Side View

KB740 Right Hand Side View

(Figure.4 Dell KM3322W Premier Multi-Device Wireless Keyboard Right-Hand Side View)

Product Features

KB740 Product Features

(Figure.5 Dell Compact Multi-Device Wireless Keyboard KB740 Product Features)

1 Power Switch 2 Connection Mode LEDs:
  • Blinking White LED: Device is not connected to computer
  • Solid White LED: Device is connected to computer
  • Blinking Amber LED: Device battery is low
3 Connection Mode Switch Button (You can connect up to two Bluetooth devices to the keyboard.)    
 

KB740 Bottom View

(Figure.6 Dell Compact Multi-Device Wireless Keyboard KB740 Bottom Features)

1 Battery Compartment Cover 2 PPID Label
 


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Setting up your Wireless Keyboard

 

Compatibility

Operating Systems:

  • Wireless 2.4 GHz and Bluetooth Dual Connectivity:
    • 2.4 GHz:
      • Windows Service 2003, 2008, and 2012
      • Windows 11, 10, 8, 7, XP, and Vista
      • Mac OS
      • Linux 6.x/Ubuntu
      • Chrome OS
      • Android OS
      • Free DOS
    • Bluetooth:
      • Windows 11, 10, and 8
      • Mac OS
      • Chrome OS
      • Android OS

Using the Dell Peripheral Manager application:

  • Windows 11 and Windows 10.

Connecting the Wireless Keyboard USB Receiver

The Dell Compact Multi-Device Wireless Keyboard KB740 uses a USB Type-A receiver dongle to connect to your Desktop or Laptop.

Wireless Pairing with Dongle

(Figure.7 2.4 GHz Connection 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 Wireless Keyboard through Bluetooth

Bluetooth Connection Mode

(Figure.8 Bluetooth Connection)

Note: Ensure that the distance between your computer and keyboard is under ten meters.
 

Pressing the Connection-mode button on your keyboard twice (within 3 seconds). When connected with the Dongle, or with Bluetooth, you can add two further devices with Bluetooth and use the connection-mode button to switch between devices.

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

  • Dell Peripheral Manager User's Guide
  • Dell Compact Multi-Device Wireless Keyboard KB740 Quick Start Guide
  • Dell Compact Multi-Device Wireless Keyboard KB740 User’s Guide

The guides are on our support site:


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Troubleshooting

 

Problems Possible Causes Possible Solutions
Unable to use the Wireless Keyboard. The White LED indicator at the top of the keyboard does not light up when the 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 Keyboard 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 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. Restart your computer.
Unable to pair the Wireless Keyboard to the computer using Bluetooth. The Bluetooth icon on the computer does not light up when connecting the keyboard to the computer.
  1. Check the battery level:
    • If the 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 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. Ensure that the keyboard is set to Bluetooth low energy (BLE) mode on your computer.
  5. Check that the operating system is Windows 11/Windows 10/Windows 8/Chrome/Android.
  6. Turn the Bluetooth mode on your computer off, then turn it back on.
  7. Ensure that the distance between your computer and the Wireless Keyboard is within 10 meters.
Unable to pair the Wireless Keyboard to the computer using the wireless dongle. A pairing error message is received from the computer.
  1. Check the battery level:
    • If the 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 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.
Keyboard buttons do not work. The keys on the keyboard do not work.
  1. Check the battery level:
    • If the 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 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. Ensure that the distance between your computer and the Wireless Keyboard is within 10 meters.
Wireless connection is lost. Previously paired keyboard no longer works on the computer.
  1. Check the battery level:
    • If the 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 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. Ensure that the distance between your computer and the Wireless Keyboard is within 10 meters.
 


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Additional Information

 

 

Dell Keyboard Support Site

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

For the Dell Compact Multi-Device Wireless Keyboard KB740 User Guide, browse to the Dell Compact Multi-Device Wireless Keyboard KB740 Online Manual Page. You can then touch or click View PDF to the right of the User Guide, in the Manuals and Documents section.


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Affected Products

Dell Compact Multi-Device Wireless Keyboard - KB740
Article Properties
Article Number: 000202174
Article Type: How To
Last Modified: 15 Aug 2022
Version:  2
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