Dell Premier Rechargeable Wireless Mouse MS7421W User’s Guide Regulatory model: MS7421Wc/RG-1216
Notes, Caution, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2020 Dell Inc. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.
Contents What’s in the box . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Top view . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Bottom view . . . . . . . . . . . . . . . . . . . . . . . . . 6 Shortcut gestures . . . . . . . . . . . . . . . . . . . . . . . . . . .
What’s in the box 2 3 4 1 1 2 Wireless mouse Documents 4 │ What’s in the box 3 4 Dell Universal Dongle USB-C cable for recharging
Features Top view 1 2 3 4 6 5 7 8 1 2 3 4 5 Left button Right button Scroll wheel Forward button Backward button 9 6 Connection-mode lights • White LED blinking: device is not connected to computer • LED lighting solid white: device is connected to computer 7 8 Connection-mode button Charging/low battery lights • White LED breathing: battery in charging • Amber LED pulsing: device battery is low, need to recharge.
Features Bottom view 1 2 1 Optical sensor 6 │ Features 2 Power switch
Shortcut gestures Scroll and Tilt 4-way scroll Forward function Press the front button on the side. Backward function Press the rear button on the side.
Dell Peripheral Manager Dell Peripheral Manager software enables you to perform the following: • Assign program shortcuts to device programmable buttons or keys through the Action tab. • View device information such as firmware version and battery status through the Info tab. • Upgrade the latest firmware updates on your devices. • Pair additional devices through the Dell Universal Dongle or directly to your computer through Bluetooth.
Setting up your wireless mouse 1. Locate the slot on the side of the mouse cover. Using your fingertip, pry open the cover. 2. Remove the Dell Universal Dongle from its compartment. 3. Replace the mouse cover.
Setting up your wireless mouse 4. Slide the power switch down to turn on the wireless mouse. NOTE: Ensure that the distance between your computer and mouse is within ten meters.
Pairing your wireless mouse Your Dell wireless mouse can be paired via the Dell Universal Dongle or direct Bluetooth connection. You can pair and switch between a laptop, desktop, and a compatible mobile device. Pairing with the Dell Universal Dongle NOTE: You can connect a device to your wireless mouse using the Dell Peripheral Manager. 1. Plug the Dell Universal Dongle into the USB port on your computer. NOTE: The Dell Universal Dongle is pre-paired with your wireless mouse in the factory.
Pairing your wireless mouse using Bluetooth You can connect up to two devices with your wireless mouse using Bluetooth. NOTE: Before pairing your wireless mouse using Bluetooth, ensure that you unpair the inactive devices on your computer, and update the Bluetooth driver to the latest version on your computer. For more information, see Drivers & Downloads at https://www.dell.com/support 1.
d. Ensure that the Bluetooth is turned on. e. Place your wireless mouse near your computer. The New Dell Mouse found window appears. f. Click Connect and confirm the pairing process on both wireless mouse and your computer. 1. Pair your wireless mouse with your Bluetooth-enabled computer. Add Device: a. In Windows Search, type Bluetooth. b. Click Bluetooth and other devices settings. The Settings window appears. c. Ensure that the Bluetooth is turned on. d. Click Add Bluetooth or other device > Bluetooth.
Pairing device three using Bluetooth NOTE: You can connect a third device to your wireless mouse using Bluetooth. NOTE: Before pairing your wireless mouse using Bluetooth, ensure that you unpair the inactive devices on your computer, and update the Bluetooth driver to the latest version on your computer. For more information, see Drivers & Downloads at https://www.dell.com/support 1.
e. Place your wireless mouse near your computer. The New Dell Mouse found window appears. f. Click Connect and confirm the pairing process on both wireless mouse and your computer. 1. Pair your wireless mouse with your Bluetooth-enabled computer. Add Device: a. In Windows Search, type Bluetooth. b. Click Bluetooth and other devices settings. The Settings window appears. c. Ensure that the Bluetooth is turned on. d. Click Add Bluetooth or other device > Bluetooth. e.
Charging your wireless mouse 1. When the amber LED of mouse blinks, you need to charge your wireless mouse. 2. Connect the USB-C cable to your wireless mouse. 3. Connect the USB-C cable to your laptop or desktop computer Laptop Desktop 4.
Specifications General Mouse model number MS7421W Connection type 2.4 GHz Wireless & Bluetooth dual mode technology Supported operating systems (2.4 GHz) • • • • • Supported operating systems (Bluetooth) • Windows 10/8 • Chrome and Android • MAC OS Electrical Windows 10/8/7/XP Server 2008/Server 2012 Linux 6.x, Ubuntu, Free DOS, Chrome and Android MAC OS From USB host (Operating) 5V Battery Voltage (Operating) 3.6 V to 4.
Troubleshooting Problems Possible causes Possible solutions Unable to use the wireless mouse The white LED indicator at top of the wireless mouse does not light up when the wireless mouse is turned on. 1. Check the battery level. This mouse uses a rechargeable battery, please ensure that the battery is fully charged. 2. Turn the wireless mouse off, and then turn on again. Check if the battery status light amber pulsing for 5 sec then dim off, flashing amber, indicating that the battery power is low.
Problems Possible causes Possible solutions Unable to pair the wireless mouse to the computer using Bluetooth The Bluetooth icon on 1. Check the battery level. the computer does not This wireless mouse uses a light up when connecting rechargeable battery, please the wireless mouse to the ensure that the battery is fully computer. charged. 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.
Problems Possible causes Mouse pointer does not move The wireless mouse pointer is not responding Possible solutions 1. Check the battery level This wireless mouse uses a rechargeable battery, please ensure that the battery is fully Left/right buttons No response when the charged. does not work left or right mouse button is pressed 2. Turn the wireless mouse off, and then turn it on. Check if the battery-status light is flashing amber ten times, indicating that the battery power is low.
Problems Possible causes Possible solutions Unable to pair the Wireless pairing error 2. Turn the wireless mouse off, wireless mouse message is received and then turn it on again. with the computer while pairing the wireless Check if the battery-status mouse with the computer light is flashing amber ten times, indicating that the battery power is low. If the battery is fully depleted, the battery-status light will not turn on. 3. Restart your computer.
Statutory information Warranty Limited warranty and return policies Dell-branded products carry three-year limited hardware warranty. If purchased together with a Dell system, it will follow the system warranty. For U.S. customers: This purchase and your use of this product are subject to Dell’s end user agreement, which you can find at Dell.com/terms. This document contains a binding arbitration clause.
