Dell Vostro 3681 Operation and maintenance manual

Vostro 3681
Setup and Specifications
Regulatory Model: D15S
Regulatory Type: D15S002
August 2021
Rev. A02

Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid
the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2020 2021 Dell Inc. or its subsidiaries. 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.

Chapter 1: Set up your computer................................................................................................... 4
Chapter 2: Chassis overview......................................................................................................... 9
Front....................................................................................................................................................................................... 9
Back.......................................................................................................................................................................................10
Chapter 3: Specifications of Vostro 3681 .....................................................................................11
Dimensions and weight......................................................................................................................................................11
Processors............................................................................................................................................................................ 11
Chipset..................................................................................................................................................................................12
Operating system............................................................................................................................................................... 12
Memory.................................................................................................................................................................................12
Ports and connectors........................................................................................................................................................13
Communications................................................................................................................................................................. 14
Audio..................................................................................................................................................................................... 15
Storage................................................................................................................................................................................. 15
Media-card reader............................................................................................................................................................. 16
Power supply unit.............................................................................................................................................................. 16
Video......................................................................................................................................................................................17
CMOS battery.....................................................................................................................................................................17
Security.................................................................................................................................................................................17
Data security....................................................................................................................................................................... 18
Computer environment.....................................................................................................................................................18
Energy Star and Trusted Platform Module (TPM).................................................................................................... 18
Environmental..................................................................................................................................................................... 18
Service and support.......................................................................................................................................................... 19
Chapter 4: Software....................................................................................................................20
Operating system.............................................................................................................................................................. 20
Downloading the drivers..................................................................................................................................................20
Chapter 5: Getting help and contacting Dell.................................................................................21
Contents
Contents 3

Set up your computer
Steps
1. Connect the keyboard and mouse.
2. Connect to your network using a cable, or connect to a wireless network.
1
4 Set up your computer

3. Connect the display.
NOTE: If you ordered your computer with a discrete graphics card. Connect the display cable to the discrete graphics
card connectors.
4. Connect the power cable.
Set up your computer 5

5. Press the power button.
6Set up your computer

6. Finish operating system setup.
For Ubuntu:
Follow the on-screen instructions to complete the setup. For more information about installing and configuring Ubuntu, see
the knowledge base articles SLN151664 and SLN151748 at www.dell.com/support.
For Windows:Follow the on-screen instructions to complete the setup. When setting up, Dell recommends that you:
●Connect to a network for Windows updates.
NOTE: If connecting to a secured wireless network, enter the password for the wireless network access when
prompted.
●If connected to the internet, sign in with or create a Microsoft account. If not connected to the internet, create an
offline account.
●On the Support and Protection screen, enter your contact details.
a. Connect to a network.
b. Sign-in to your Microsoft account or create a new account.
Set up your computer 7

7. Locate and use Dell apps from the Windows Start menu—Recommended.
Table 1. Locate Dell apps
Dell Product Registration
Register your computer with Dell.
Dell Help & Support
Access help and support for your computer.
SupportAssist
Proactively checks the health of your computer’s hardware and
software.
NOTE: Renew or upgrade your warranty by clicking the
warranty expiry date in SupportAssist.
Dell Update
Updates your computer with critical fixes and important device
drivers as they become available.
Dell Digital Delivery
Download software applications including software that is
purchased but not preinstalled on your computer.
8 Set up your computer

Chassis overview
Front
1. Power button
2. SD card reader
3. HDD activity LED
4. Combo audio jack
NOTE: 3.5 mm Global Headset Jack functionality varies by model configuration. For best results, use Dell recommended
audio accessories.
5. 2 x USB 2.0 Type-A ports
6. 2 x USB 3.2 Gen 1 Type-A ports
7. 9.5 mm DVD +/- R/W tray type optical drive (optional)
2
Chassis overview 9

Back
1. ●Line-out re-tasking Line-in jack (For Computer with Realtek configuration)
●Line-out jack (For computer with C-Media configuration)
2. HDMI 1.4b port
3. VGA port
4. 2 x USB 3.2 Gen 1 Type-A ports
5. 2 x USB 2.0 Type-A ports with Smart Power On
6. Ethernet port
7. Expansion slots
8. Power port
9. PSU indicator LED
10. Padlock ring
11. Kensington cable lock slot
10 Chassis overview

Specifications of Vostro 3681
Dimensions and weight
Table 2. Dimensions and weight
Description Values
Height 290 mm (11.42 in.)
Width 92.6 mm (3.65 in.)
Depth 292.8 mm (11.53 in.)
Weight (approximate) 4.66 Kg (10.28 lb) — Maximum
NOTE: The weight of your system unit varies depending on the configuration ordered and the manufacturing variability.
Processors
NOTE: Global Standard Products (GSP) are a subset of Dell’s relationship products that are managed for availability and
synchronized transitions on a worldwide basis. They ensure the same platform is available for purchase globally. This allows
customers to reduce the number of configurations managed on a worldwide basis, thereby reducing their costs. They also
enable companies to implement global IT standards by locking in specific product configurations worldwide.
NOTE: Processor numbers are not a measure of performance. Processor availability is subject to change and may vary by
region/country.
Table 3. Processors
Processors Wattage Core count Thread count Speed Cache Integrated
graphics
10th Generation
Intel Pentium
Gold G-6400
58 W 2 4 Up to 4.0 GHz 4 MB Intel UHD
Graphics 610
10th Generation
Intel Core
i3-10100
65 W 4 8 3.6 GHz to 4.3
GHz
6 MB Intel UHD
Graphics 630
10th Generation
Intel Core
i5-10400F
65 W 6 12 2.9 GHz to 4.3
GHz
12 MB N/A
10th Generation
Intel Core
i5-10400
65 W 6 12 2.9 GHz to 4.3
GHz
12 MB Intel UHD
Graphics 630
10th Generation
Intel Core
i7-10700
65 W 8 16 2.9 GHz to 4.8
GHz
16 MB Intel UHD
Graphics 630
3
Specifications of Vostro 3681 11

Table 3. Processors (continued)
Processors Wattage Core count Thread count Speed Cache Integrated
graphics
10th Generation
Intel Core
i7-10700F
65 W 8 16 2.9 GHz to 4.8
GHz
16 MB N/A
10th Generation
Intel Celeron
G-5900
58 W 2 2 Up to 3.4 GHz 2 MB Intel UHD
Graphics 610
10th Intel
Celeron G5905
58 W 2 2 Up to 3.5 GHz 4 MB Intel UHD
Graphics 610
10th Intel
Pentium Gold
6405
58 W 2 4 Up to to 4.1
GHz
4 MB Intel UHD
Graphics
10th Intel Core
i3-10105
65 W 4 8 3.7 GHz to 4.4
GHz
6 MB Intel UHD
Graphics
10th Intel Core
i5-10505
65 W 6 12 3.2 GHz to 4.6
GHz
12 MB Intel UHD
Graphics 630
Chipset
Table 4. Chipset
Description Values
Chipset B460
Processor 10th Generation Intel Core i3/i5/i7 and Intel Pentium Gold
G-6400 and Celeron G-5900
DRAM bus width 64-bit
PCIe bus Up to Gen3
Operating system
Your Vostro 3681 supports the following operating systems:
●Windows 11 Home, 64-bit
●Windows 11 Home National Academic, 64-bit
●Windows 11 Pro, 64-bit
●Windows 11 Pro National Academic, 64-bit
●Windows 10 Home, 64-bit
●Windows 10 Pro, 64-bit
●Ubuntu 18.04 LTS, 64-bit
Memory
Table 5. Memory specifications
Description Values
Slots 2 UDIMM slots
12 Specifications of Vostro 3681

Table 5. Memory specifications (continued)
Description Values
Type DDR4
Speed ●2666 MHz
●2933 MHz (supported on Core i7-10700 processor)
NOTE: Memory speed may be subject to change by
regions.
Maximum memory 64 GB
Minimum memory 4 GB
Memory per slot 4 GB, 8 GB, 16 GB, 32 GB
Configurations supported: ●4 GB: 1 x 4 GB
●8 GB: 1 x 8 GB, 8 GB, 2 x 4 GB
●12 GB: 1 x 4 GB and 1 x 8 GB
●16 GB: 1 x 16 GB, 2 x 8 GB
●32 GB: 1 x 32 GB, 2 x 16 GB
●64 GB: 2 x 32 GB
Ports and connectors
Table 6. Ports and connectors
Description Values
Front
USB ●Two USB 3.2 Gen 1 Type-A ports
●Two USB 2.0 Type-A ports
Audio ●Universal audio jack (For computer with Realtek
configuration)
●Global headset jack (For computer with C-Media
configuration)
NOTE: 3.5 mm Global Headset Jack functionality varies
by model configuration. For best results, use Dell
recommended audio accessories.
Back
Network One RJ-45 Port 10/100/1000 Mbps
USB ●Two USB 3.2 Gen 1 Type-A ports
●Two USB 2.0 Type-A ports with Smart Power On
Audio ●Line-out re-tasking Line-in jack (For Computer with
Realtek configuration)
●Line-out jack (For computer with C-Media configuration)
Video ●One HDMI 1.4b port
●One VGA port
NOTE: Video ports are not available with systems
configured with Intel Core i5-10400F and i7-10700F
processors.
Specifications of Vostro 3681 13

Table 6. Ports and connectors (continued)
Description Values
Memory card reader SD 4.0 card reader (optional)
Security ●One Kensington cable lock slot
●One Padlock ring
Internal
Expansion ●One half-height PCIe x1 slot
●One half-height PCIe x16 slot
M.2 ●One M.2 2230 slot for Wi-Fi/Bluetooth card
●One M.2 2230/2280 slot for solid-state drive
NOTE: To learn more about the features of different
types of M.2 cards, see the knowledge base article at
https://www.dell.com.
Communications
Ethernet
Table 7. Ethernet specifications
Description Values
Model number Realtek RTL8111HS
Transfer rate 10/100/1000 Mbps
Wireless module
Table 8. Wireless module specifications
Description Values
Model number Intel Wireless-AC 3165
802.11ac 1x1 +
Bluetooth 4.2
Intel Wireless-AC 9260 802.11ac 2x2 + Bluetooth
5.0
Realtek RTL8723DE
802.11bgn 1x1 +
Bluetooth v4.2
Transfer rate Up to 433 Mbps Up to 1.73 Gbps Up to 150 Mbps
Frequency bands
supported
2.4 GHz/5 GHz 2.4 GHz/5 GHz 2.4 GHz
Wireless standards ●WiFi 802.11a/b/g
●Wi-Fi 4 (WiFi
802.11n)
●Wi-Fi 5 (WiFi
802.11ac)
●WiFi 802.11a/b/g
●Wi-Fi 4 (WiFi 802.11n)
●Wi-Fi 5 (WiFi 802.11ac)
●WiFi 802.11a/b/g
●Wi-Fi 4 (WiFi
802.11n)
Encryption ●64-bit/128-bit WEP
●AES-CCMP
●TKIP
●64-bit/128-bit WEP
●AES-CCMP
●TKIP
●64-bit/128-bit WEP
●AES-CCMP
●TKIP
Bluetooth Bluetooth 4.2 Bluetooth 5.0 Bluetooth 4.2
14 Specifications of Vostro 3681

Audio
Table 9. Audio specifications
Description Values
Option one Option two
Type Stereo High Definition Audio
Codec
Stereo USB Audio Codec
Controller Realtek ALC3246 (For computer
with Realtek configuration)
C-Media CM6548 (For computer with C-Media
configuration)
Internal interface High Definition Audio USB 2.0
External interface ●One Universal audio jack
(front)
●One Line-out re-tasking Line-in
audio jack (rear)
●One Global headset jack (front)
●One Line-out jack (rear)
Storage
Your computer supports one or more combination of the following configurations:
●One 3.5-inch, 7200 RPM, SATA hard drive
●One M.2 Gen 3 PCIe x4 NVMe Solid State Drive
●One 9.5 mm DVD +/- R/W tray type optical drive
The primary drive of your computer varies with the storage configuration. For computers:
●with a M.2 drive, the M.2 drive is the primary drive
●without a M.2 drive, the 3.5-inch hard drive is the primary drive
NOTE: For dual 2.5-inch hard drive and Intel Optane memory configuration, you must disconnect the 2nd hard drive from
the controller to support Intel Optane memory in the Windows operating system.
Table 10. Storage specifications
Storage type Interface type Capacity
3.5-inch, 7200 RPM, SATA hard-disk drive SATA AHCI, up to 6 Gbps Up to 2 TB
M.2 Class 35 solid-state drive PCIe x4 NVMe Up to 512 GB
8x Optical Disk Drive DVD +/- R/W SATA AHCI Supplier dependent
Table 11. 9.5 mm 8x Optical Disk Drive DVD Read/Write
Description Values
Type 8x Optical Disk 9.5 mm Drive DVD +/- R/W tray type (optional)
External dimensions without bezel (W x H X D) 8.0 mm (5.04 in)/ 9.5 mm (0.37 in)/ 126.1 mm (4.97 in)
Weight (max) 140 g (0.39 lb)
Interface type and speed SATA 1.5 Gb/s
Disc capacity Standard
Internal buffer size 0.5 MB
Access time (typical) Supplier dependent
Maximum data transfer rates
Specifications of Vostro 3681 15

Table 11. 9.5 mm 8x Optical Disk Drive DVD Read/Write (continued)
Description Values
Writes 8x DVD/24x CD
Reads 8x DVD/24x CD
Power source
DC power requirement 5 V
DC current 1300 mA
Environmental Operating Conditions (Non-
Condensing):
Operating Temperature Range 5°C to 50°C
Relative Humidity Range 10% to 90% RH
Maximum Wet Bulb Temperature 29°C
Altitude Range 0 m to 3048 m
Environmental Non-Operating Conditions (Non-
Condensing):
Operating Temperature Range -40°C to 65°C
Relative Humidity Range 5% to 95% RH
Maximum Wet Bulb Temperature 38°C
Altitude Range 0 m to 10600 m
Media-card reader
NOTE: Media-card reader is mutually exclusive with a dual M.2 configuration.
Table 12. Media-card reader specifications
Description Values
Type SD 4.0 card reader (optional)
Cards supported ●Secure Digital High Capacity (SDHC)
●Secure Digital Extended Capacity (SDXC)
●Secure Digital (SD)
Power supply unit
Table 13. Power supply unit specifications
Description Values
Type D9 200 W EPA Bronze
Input voltage 90 VAC to 264 VAC
Input frequency 47 Hz to 63 Hz
Input current (maximum) 3.20 A
Output current (continuous) ●+12 VA/16.50 A
●+12 VB/14 A
16 Specifications of Vostro 3681

Table 13. Power supply unit specifications (continued)
Description Values
Standby mode:
●+12 VA/0.5 A
●+12 VB/2.5 A
Rated output voltage ●+12 VA
●+12 VB
Temperature range:
Operating 5°C to 45°C (41°F to 113°F)
Storage -40°C to 70°C (-40°F to 158°F)
Video
Table 14. Integrated graphics specifications
Integrated graphics
Controller External display support Memory size Processor
Intel UHD 610 Graphics ●VGA
●HDMI 1.4b
Shared system memory 10th Generation Intel
Celeron and Pentium
Gold
Intel UHD 630 Graphics ●VGA
●HDMI 1.4b
Shared system memory 10th Generation
Intel Core i3/i5/i7
processor
Table 15. Discrete graphics specifications
Discrete graphics
Controller External display support Memory size Memory Type
NVIDIA GeForce GT730 ●One HDMI
●One Dual Link DVI-D
2 GB GDDR5
CMOS battery
Table 16. CMOS battery
Brand Type Voltage Composition Battery life
MITSUBISHI CR2032 3.0 V Lithium metal Continuous Discharge Under 15 kΩ Load to
2.0 V End-Voltage. 20℃±2℃940 Hrs. or
Longer.910 Hrs.or Longer after 12 mo.
Security
Table 17. Security
Security options Vostro 3681
Kensington cable lock Supported
Padlock Supported
Specifications of Vostro 3681 17

Data security
Table 18. Data security
Data security options Values
Microsoft Windows BitLocker Supported
Local hard drive data wipe through BIOS (secure erase) Supported
Computer environment
Airborne contaminant level: G1 as defined by ISA-S71.04-1985
Table 19. Computer environment
Description Operating Storage
Temperature range 10°C to 35°C (50°F to 95°F) -40 °C to 65 °C (-40 °F to 149 °F)
Relative humidity (maximum) 20% to 80% (non-condensing) 5% to 95% (non-condensing)
Vibration (maximum)*0.26 GRMS 1.37 GRMS
Shock (maximum) 40 G† 105 G†
Altitude (maximum) 0 m to 3048 m (0 ft to10,000 ft) 0 m to 10668 m (0 ft to 35,000 ft)
* Measured using a random vibration spectrum that simulates user environment.
† Measured using a 2 ms half-sine pulse when the hard drive is in use.
‡ Measured using a 2 ms half-sine pulse when the hard-drive head is in parked position.
Energy Star and Trusted Platform Module (TPM)
Table 20. Energy Star and TPM
Features Specifications
Energy Star Compliant
Discrete TPM Optional
Environmental
Table 21. Environmental specifications
Feature
Recyclable packaging Yes
BFR/PVC—free chassis No
Vertical orientation packaging support Yes
MultiPack packaging Yes (DAO only)
Energy-Efficient Power Supply Standard
ENV0424 compliant Yes
18 Specifications of Vostro 3681

NOTE: Wood‐based fiber packaging contains a minimum of 35% recycled content by total weight of wood‐based fiber.
Packaging that contains without wood‐based fiber can be claimed as Not Applicable. Anticipated Required Criteria for
EPEAT Revision Effective 1H 2018.
Service and support
NOTE: For more details on Dell Service Plans, see https://www.dell.com/learn/us/en/19/services/warranty-support-
services.
Table 22. Service and support
Vostro 3681
1-year Base Next Business Day On-site
warranty Standard
2-4 Year Warranty1Next Business Day
On-site2(3-3-3) Optional
ProSupport Optional
ProSupport Plus Optional
Accidental damage Optional
1For a copy of guarantees or limited warranties, write to Dell USA L.P., Attn: Warranties, One Dell Way, Round Rock, TX 78682.
For more information, go to www.dell.com/warranty.
2Service may be provided by third party. Technician is dispatched if necessary, following phone-based troubleshooting. Subject
to parts availability, geographical restrictions, and terms of service contract. Service timing dependent upon time-of-day call
placed to Dell. U.S.A only.
Specifications of Vostro 3681 19

Software
This chapter details the supported operating systems along with instructions on how to install the drivers.
Operating system
Your Vostro 3681 supports the following operating systems:
●Windows 11 Home, 64-bit
●Windows 11 Home National Academic, 64-bit
●Windows 11 Pro, 64-bit
●Windows 11 Pro National Academic, 64-bit
●Windows 10 Home, 64-bit
●Windows 10 Pro, 64-bit
●Ubuntu 18.04 LTS, 64-bit
Downloading the drivers
Steps
1. Turn on your computer.
2. Go to www.dell.com/support.
3. Enter the Service Tag of your computer, and then click Submit.
NOTE: If you do not have the Service Tag, use the auto-detect feature or manually browse for your computer model.
4. Click Drivers & downloads.
5. Click the Detect Drivers button.
6. Review and agree to the Terms and Conditions to use SupportAssist, then click Continue.
7. If necessary, your computer starts to download and install SupportAssist.
NOTE: Review on-screen instructions for browser-specific instructions.
8. Click View Drivers for My System.
9. Click Download and Install to download and install all driver updates detected for your computer.
10. Select a location to save the files.
11. If prompted, approve requests from User Account Control to make changes on the system.
12. The application installs all drivers and updates identified.
NOTE: Not all files can be installed automatically. Review the installation summary to identify if manual installation is
necessary.
13. For manual download and installation, click Category.
14. From the drop-down list, select the preferred driver.
15. Click Download to download the driver for your computer.
16. After the download is complete, navigate to the folder where you saved the driver file.
17. Double-click the driver file icon and follow the instructions on the screen to install the driver.
4
20 Software