Dell MS7421W User manual

Dell Premier Rechargeable Mouse MS7421W
Owner's Manual

Information in this document is subject to change without notice.
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2019 - 08 Rev. A00
Restrictions and Disclaimers
The information contained in this document, including all instructions, cautions, and
regulatory approvals and certifications, is provided by the supplier and has not been
independently verified or tested by Dell. Dell cannot be responsible for damage caused
as a result of either following or failing to follow these instructions.
Allstatementsorclaimsregardingtheproperties,capabilities,speedsorqualifications
of the part referenced in this document are made by the supplier and not by Dell. Dell
specifically disclaims knowledge of the accuracy, completeness or substantiation for
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should be directed to thesupplier.
Export Regulations
Customer acknowledges that these Products, which may include technology and
software, are subject to the customs and export control laws and regulations of the
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regulations of the country in which the Products are manufactured and/or received.
Customeragreestoabidebythoselawsandregulations.Further,underU.S.law,the
Products may not be sold, leased or otherwise transferred to restricted end-users or
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the support of missile projects, and chemical or biological weapons.

Contents
Setup
Mouse
Features
Troubleshooting
Specifications
Statutory Information
Warranty
Regulatory
Certifications

4
Setup
System Requirements
•One USB type A port (for the USB dongle)
•One USB-C port (for USB-C cable to recharge the mouse battery)
•Support OS : Microsoft Windows 10/8/7
Contents of the Box
One wireless mouse
One USB dongle
One USB-C cable for recharging
Product documentation
NOTE: The USB receiver may bepre-installed on your computer.
NOTE: The documents that shipped with the mouse may be
varied based on yourregion.

5
Setting Up Your Dell MS7421W Wireless Mouse with USB dongle
Your Dell wireless mouse can be paired with devices using USB and Bluetooth.
You can pair and switch between a laptop, desktop, and a compatible mobile device.
1. Locate the slot on the side of the mouse cover. Using your fingertip, pry open the
cover
2. Remove the USB dongle from its compartment.
3. Slide the power switch down to turn on the mouse.
4. Connect the USB receiver (dongle) to thecomputer .

6
NOTE: You can connect a device to your wireless mouse using the Dell Universal
pairing.
5. Install the Dell Universal USB dongle to the USB port on your computer.
NOTE: The RF device is pre-paired in the factory.
Laptop Desktop
6. The connection-mode light ( ) on the mouse turns on to indicate the Dell Universal
pairing, and then turns off.
7. The mouse is paired with your USB device.
If your mouse is not working, see the Troubleshooting section.

7
Dell Universal Dongle Pairing Features
TheUSBreceiverisawirelessreceiverthat can stay plugged into
your computer’s USB port, allowing you to easily connect your
wireless mouse to your computer and up to six additional
compatible wireless devices at the same time.
Tobegin usingyour receiver, ensureyourcomputerhas the software
installed. Dell Peripheral Manager may be pre-installed on your
computer. The software can also be downloaded from
www.dell.com/support/drivers

8
Setting up Your Dell MS7421W Wireless Mouse with
Bluetooth Pairing
NOTE: You can connect up to two devices with your wireless mouse using
Bluetooth.
1. Slide the power switch down to turn on the mouse.
2. Press the connection-mode button twice on your mouse (within 3 seconds) until the
connection-mode light ( ) turns on indicating that the second-Bluetooth connection be
selected.
3. The connection-mode light ( ) blinks for 3 minutes, indicating your mouse is in the
pairing mode.
4. Pair your mouse with your Bluetooth-enabled computer.

9
a. In Windows Search, type Bluetooth.
b. Click Bluetooth and other devices settings. The Settings window appears.
c. Click Bluetooth & other devices. Ensure that the Bluetooth is turned on.
d. From the list of devices, click Dell Mouse
NOTE: If Mouse M7421W is not listed, ensure that the pairing mode is enabled on the
mouse.
5. Confirm that the pairing process on both mouse and device.
The second-Bluetooth connection light turns solid white for 3 seconds to
confirm the connection is established, and then turns off. After the mouse
and a device are paired, they connect automatically when Bluetooth is
enabled and they are withinthe Bluetooth range.

10
Pairing device three using Bluetooth
NOTE: You can connect a third device to your wireless mouse
using Bluetooth.
1. Press the connection-mode button twice on your mouse (within 3 seconds) untilthe
connection-mode light ( ) turns on indicating that the third-bluetooth connection is
selected.
2. The third-bluetooth connection light ( ) starts blinking to confirm the
pairing mode is enabled.
3. Pair your mouse with your Bluetooth enabled computer.
a. In Windows Search, type Bluetooth.
b. Click Bluetooth and other devices settings. The Settings window appears.
c. Click Bluetooth & other devices. Ensure that the Bluetooth is turnedon.
d. From the list of devices, click Dell Mouse.
NOTE: If Mouse M7421W is not listed, ensure that the pairing
mode is enabled on the mouse.
4. The third-Bluetooth connection light turns solid white for 3 seconds to confirm the
connection is established then dims off. After the mouse and a device are paired, they
connect automatically when Bluetooth is enabled and they are within the Bluetooth
range.

11

12
Features
Top View
1. Left mouse button
2. Right mouse button
3. Tilt wheel
4. Front side button
5. Rear side button
6. LED indicator:
Dell Universal Dongle Connect
Bluetooth Connect Device 1
Bluetooth Connect Device 2
 Blinking amber - Battery charge is low. Plug in USB-C cable to recharge.
7. Pairing mode switch button
2
3
4
5
6
1
7

13
Features
Bottom View
1. Optical sensor
2. Power on/off switch
1
2

14
ShortcutGestures
Scroll and Tilt
4-way scroll
(Windows 7 /8 /10)
Forward function
Pressfrontsidebutton
(Windows 7 /8/10)
Back function
Press rear side button
(Windows 7 /8 /10)

15
Increasing the Battery Life of your Mouse
The mouse has fouroperating modes built in to conserve
battery power:
1. Idle mode: When the mouse has been inactive
for 7.5 ms(milliseconds).
To wake the mouse: Move, click or scroll the tilt wheel.
2. Sleep mode: When the mouse has been inactive
for 40 seconds.
To wake the mouse: Move, click or scroll the tilt wheel.
3. Deepsleepmode: Whenthemousehasbeen
disconnect with dongle or Host (BLE mode).
Towake the mouse: Move mouse or click any button.
4. Cut-off mode: When the mouse battery voltage
drop to about 3.6V, mouse disable all function.
The battery needs to be recharged with USB type-C
cable plug in.
To wake the mouse: recharge the battery for a while and turn on the
on/off switch.

16
Troubleshooting
If you have problems with your mouse, please follow below instructions:
Plug in USB cable and charge at least one minute if the battery runs
out of power.
Check if the mouse’s pairing mode LED light is on with corrected
pairing channel.
Unplug and reconnect the USB receiver on your computer under 2.4G
connection.
Insert the USB receiver into another USB port on system computer.
Restart your computer while above instructions are not working..

17
Specifications
General
Regulatory Model Number
MS7421Wc
Connection Type
2.4 GHz & BLE wireless technology
Supported Operating Systems
Microsoft Windows 10
Microsoft Windows 8
Microsoft Windows 7(RF
dongle only)
Electrical
From USB host (Operating)
Battery Voltage (Operating)
5V
3.6 V to 4.2 V
Battery Life
Approximately 6 months
Battery Requirements
Lithium Ion Battery
Physical Characteristics
Height
35.45 ± 0.3 mm
Width
61.88 ± 0.3 mm
Length
101.76 ± 0.5 mm
Weight
81 ± 3g (combined with dongle)
Environmental
Operating Temperature
0°C to 40°C
Storage Temperature
-40°C to 65°C
Operating Humidity
90%maximumRelativeHumidity,non
condensing
Storage Humidity
95%maximumRelativeHumidity,non
condensing
2.4 GHz/BLE Wireless
Radio Transmission
Bi-directional communication
(Transceiver)
Range
Up to 10 meters

18
Warranty
Limited Warranty and Return Policies
Dell-branded products carry a 1-year limited hardware warranty.
If purchased together with 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 www.dell.com/terms. This document
contains a binding arbitration clause.
For European, Middle Eastern and Africancustomers:
Dell-branded products that are sold and used are subject to applicable
national consumer legal rights, the terms of any retailer sale agreement
that you have entered into (which will apply between you and the retailer)
and Dell’s end user contract terms. Dell may also provide an additional
hardware warranty –full details of the Dell end user contract and warranty
terms can be found by going to www.dell.com , selecting your country
from the list at the bottom of the “home” page and then clicking the
“terms and conditions” link for the end user terms or the “support” link for
the warranty terms.
For non-U.S. customers:
Dell-branded products that are sold and used are subject to applicable
national consumer legal rights, the terms of any retailer sale agreement
that you have entered into (which will apply between you and the retailer)
and Dell’s warranty terms. Dell may also provide an additional hardware
warranty –full details of Dell’s warranty terms can be found by going
to www.dell.com , selecting your country from the list at the bottom of
the “home” page and then clicking the “terms and conditions” link or the
“support” link for the warranty terms.

21
Regulatory
Mouse Regulatory Model: MS7421Wc
Dongle Regulatory Model: RG-1216
Regulatory Information
These devices comply with Part 15 ofthe FCC Rules. Operation ofthe
devices is subject to the following two conditions : (1) The devices may
not cause harmful interference, and (2) The devices must accept any
interference that may cause undesiredoperation.
This equipment has been tested and found to comply with the limits
for a Class B digital device, pursuant to Part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful
interferenceinaresidentialinstallation.Thisequipmentgenerates,uses,
and can radiate radio frequency energy. If the equipment is not installed
and used in accordance with the instructions, the equipment may cause
harmful interference to radio communications. There is no guarantee,
however, that such interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television
reception (which can be determined by turning the equipment off and
on), the user is encouraged to try to correct the interference by taking one
or more of the following measures:
. Relocate this device.
.
Increase the separation between the device and the receiver.
.
Connect the device into an outlet on a circuit different from that of other
electronics.
.
Consult the dealer or an experienced radio technician for help.
Certifications
Microsoft WHQL Logo
The Dell MS7421W Wireless Mouse have passed WHQL logo testing by Microsoft
Windows Hardware Quality Labs.
WHQL Logo is a certification scheme operated by Microsoft Windows Hardware
Quality Labs. In this case it ensures that hardware is compatible with Microsoft
Operating Systems. The keyboard and mouse are qualified through the use of
WHQL test kits and have been included in the Microsoft Hardware Compatibility List.