Dell Pro Mouse MS300 Usage and Troubleshooting Guide

Summary: The following article provides information about the Dell Pro Mouse MS300. You can reference each section to learn more about the features of the Dell Pro Mouse MS300 and how to use it. ...

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Instructions

Table of Contents:

  1. What is in the Dell Pro Mouse MS300 box?
  2. Mouse Features
  3. Setting up your mouse
  4. Troubleshooting
  5. Additional Information

 

Dell Pro Mouse MS300

MS300 Product Shot

(Figure.1 Work faster and smarter with the Dell Pro Mouse MS300)

 

What is in the Dell Pro Mouse MS300 box?

 

What is in the box?

(Figure.2 Dell Pro Mouse MS300 Box Contents)

1 Mouse 2 USB Dongle
3 Battery (AA-Type) 4 Documents

 


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Mouse Features

 

Top View

MS300 Top View

(Figure.3 Dell Pro Mouse MS300 Top View)

Left View

MS300 Left Hand Side View

(Figure.4 Dell Pro Mouse MS300 Left View)

Right View

MS300 Right Hand Side View

(Figure.5 Dell Pro Mouse MS300 Right View)

Product Features

MS300 Product Features

(Figure.6 Dell Pro Mouse MS300 Product Features)

1 Left Button 2 Scroll Wheel
3 Right Button 4 Battery Status LED

 

MS300 Bottom Features

(Figure.7 Bottom View)

1 Optical Sensor 2 Power Switch

 


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Setting up your mouse

 

Compatibility

Operating Systems:

  • Wireless 2.4 GHz Connectivity:
    • Windows Server 2012, 2012 R2 and 2016 (RF dongle only)
    • Windows 11, 10 and 8
    • Linux (6.0/Ubuntu)
    • Chrome
    • Android OS and Free DOS (RF dongle only)

Using the Dell Peripheral Manager application:

  • Windows 11 and Windows 10.

Connecting the Wireless Mouse USB Nano dongle

The Dell Pro Mouse MS300 uses a USB Type-A receiver dongle to connect to your Server, Desktop, or Laptop. The receiver is located inside the battery compartment on top of the mouse.

MS300 Dongle and Battery Compartment

(Figure.8 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.

 

Connect the Wireless Mouse to your Computer:

MS300 Wireless Pairing

(Figure.9 2.4 GHz Connection)

Note: While in use, keep the mouse within 0.5 m (1.64 ft) of the computer.

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

  • Dell Peripheral Manager User's Guide
  • Dell Pro Mouse MS300 Quick Start Guide
  • Dell Pro Mouse MS300 User’s Guide

The guides are on our support site:


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Troubleshooting

 

Problems Possible solutions
Unable to use the wireless mouse.
  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 off, and then turn it on again. Check if the battery-status light is flashing amber 10 times, 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 mouse to the computer.
  1. 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.
  2. Turn the wireless mouse off, and then turn it on again. Check if the battery-status light is flashing amber 10 times, indicating that the battery power is low. If the battery is fully depleted, the battery status light does not turn on.
  3. Ensure that the USB receiver is directly connected to your computer. Avoid using the port replicators, USB hubs, and so on.
  4. Change the USB port. Insert the USB receiver into another USB port on your computer.
  5. Check that the operating system is supported.
  6. Ensure that the distance between your computer and the wireless mouse is within 0.5 meters.
Mouse pointer does not move.
  1. 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.
  2. Turn the wireless mouse off, and then turn it on again. Check if the battery-status light is flashing amber 10 times, 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 mouse is within 0.5 meters.
Left/right mouse button does not work.
  1. 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.
  2. Turn the wireless mouse 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 mouse is within 0.5 meters.
Keyboard buttons do not work.
  1. 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.
  2. Turn the wireless mouse off, and then turn it on again. Check if the battery-status light is flashing amber 10 times, 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 mouse is within 0.5 meters.
Wireless connection is lost.
  1. 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.
  2. Turn the wireless mouse off, and then turn it on again. Check if the battery-status light is flashing amber 10 times, 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 mouse is within 0.5 meters.
Slow moving cursor.
  1. Ensure that the sensor is not obstructed or dirty.
  2. Glass or smooth glossy surfaces are not suitable for the mouse sensor to capture the mouse movement. Using a dark-colored fabric mouse pad can improve the tracking.
  3. Change the mouse settings to adjust the pointer speed. Click the tab that matches the Operating System (OS) installed on your laptop/desktop and perform the steps within that section to change the settings.
    1. In the Search box, type main.cpl. The Mouse Properties dialog box appears.
    2. Click or tap main.cpl in the list of programs.
    3. Click the Pointer Options tab. In the Motion section, move the slider to adjust the pointer speed to the wanted level.
    4. Click or tap OK.

 


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Additional Information

 

 

Dell Mouse Support Site

Learn how to use and troubleshoot problems with the 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 Full-Size Wireless Mouse MS300 User Guide, browse to the Dell Full-Size Wireless Mouse MS300 Online Manual Page. You can 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 Pro Mouse MS300
Article Properties
Article Number: 000202164
Article Type: How To
Last Modified: 17 Jul 2025
Version:  4
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