DEX3450-W - Desktop computer AOPEN - Free user manual and instructions

Product Type	Desktop Computer
Brand	AOpen
Model	DEX3450-W
Dimensions (W x D x H)	100 mm x 200 mm x 200 mm
Weight	2.5 kg
Power Supply	90 W AC adapter
Processor	Intel Celeron (est.)
Memory	4 GB DDR4
Storage	128 GB SSD
Operating System	Windows 10 Pro (pre-installed)
Ports	USB 3.0 x 4, HDMI, VGA, Ethernet, Audio jacks
Wireless Connectivity	Wi-Fi 5, Bluetooth 4.2
Cooling System	Passive or low-noise fan
Cleaning Instructions	Wipe with a soft, dry cloth. Do not use liquid cleaners.
Safety Warnings	Keep away from water and moisture; do not block vents.
Spare Parts Availability	Contact AOpen support for replacement parts.
Repairability	User-replaceable RAM, storage; other components require professional service.

Frequently Asked Questions - DEX3450-W AOPEN

How do I connect the DEX3450-W to a monitor?

Use the HDMI or VGA port on the back of the desktop. Connect one end of the cable to the computer and the other to your monitor. Then power on both devices.

How can I set up Wi-Fi on this desktop?

Go to Settings > Network & Internet > Wi-Fi. Turn on Wi-Fi and select your network from the list. Enter the password when prompted.

What should I do if the computer does not turn on?

Check that the power cable is securely connected to both the computer and the wall outlet. Ensure the power supply switch (if present) is on. Try a different outlet. If still not working, contact AOpen support.

Can I upgrade the RAM or storage?

Yes, the DEX3450-W has upgradable memory and storage. Refer to the manual for the location of the RAM slots and drive bay. Use compatible parts (DDR4 SODIMM for RAM, 2.5-inch SATA SSD for storage).

How do I clean the desktop computer?

Turn off and unplug the device. Use a soft, dry cloth to wipe the exterior. Do not use any liquid or aerosol cleaners. For vents, use compressed air carefully.

What operating system does it run?

The DEX3450-W comes with Windows 10 Pro pre-installed. It may also support other operating systems, but drivers are optimized for Windows.

Does it have Bluetooth?

Yes, the DEX3450-W includes Bluetooth 4.2 for connecting wireless peripherals like keyboards, mice, and headphones.

How can I get a copy of the manual?

You can download the manual for free from notice-facile.com or the AOpen support website. Use the model number DEX3450-W to find the correct document.

What is the power consumption?

The typical power consumption is around 30-50W under normal use, with a maximum of 90W from the included power adapter.

Can I use it for gaming?

The DEX3450-W is designed for office and basic computing tasks. It has integrated graphics suitable for light games, but not for demanding 3D titles.

USER MANUAL DEX3450-W AOPEN

Personal Computer User Guide for DEX3450-W series

Front view of a black server rack with ventilation grilles and two ports (no visible text or labels)

Disposal Instruction (US)

For better protection of our earth, please don't throw this electronic device into municipal trash bin when discarding. To minimize pollution and ensure utmost protection of the global environment, please recycle the product. For more information about the collection and recycling of Waste Electrical and Electronic Equipment (WEEE), you are invited to visit our homepage at www.aopen.com under “Green Products”

廃棄上の指示

Instruction de Disposition (French)

Copyright of this publication belongs to AOpen Inc. AOpen reserves the right to change the content of this publication without obligation to notify any party of such changes or revisions. No part of this publication may be reproduced, transcribed, transmitted, translated into any language, stored in a retrieval system in any form or by any means electronically, mechanically, optically without the prior written permission of this company.

Disclaimer

AOpen makes no warranties or representations, either expressed or implied, with respect to the content herein and specifically disclaims any warranties, merchantability of fitness for any particular purpose.

AOpen and AOpen logos used herein are registered trademarks of AOpen Inc. All other brand names and trademarks are owned by their respective owners.

Copyright © 2020 by AOpen Inc. All rights reserved.

Safety Instructions

1. Please read these safety instructions carefully.
2. Please keep this User's Manual for later reference.
3. Please disconnect this equipment from connector before cleaning. Don't use liquid or prayed detergent for cleaning. Use moisture sheet or cloth for cleaning.
4. Make sure the equipment is connected to the power source with the correct voltage, frequency, and ampere.
5. All cautions and warnings on the equipment should be noted.
6. Never pour any liquid into opening; this could cause fire or electrical shock.
7. Never open the equipment. For safety reason, the equipment should only be opened by qualified service personnel.
8. If one of the following situations arises, get the equipment checked by a service personnel :

a. Liquid has penetrated into the equipment.
b. The equipment has been exposed to moisture.
c. The equipment has not work well or you can not get it work according to user's manual.
d. The equipment has dropped and damaged.
e. If the equipment has obvious sign of breakage.

1. Caution on use of battery: Use the battery recommended by the manufacturer or the same type of battery installed by the Manufacturer and battery should only be replaced by qualified service personnel. If incorrect battery is used, it may cause explosion or fire hazard. Recycle or discard used batteries according to the manufacturer's instruction or your local authority.

1. Ambient operation temperature: 0 \~ 40 degrees C.
2. Risk of overheating!

- Do not install DEX3450-W in a closed space. Be sure the ventilation holes in the DE3450 side for at least 1 to 2 inches or 2 to 5cm of space for ventilation. To ensure that other objects do not cover the ventilation holes on DE3450

In right side and rear side keep space at least 5cm.

graph TD
    A["Input Air"] --> B{Air Cooling}
    B -->|Yes| C["Process"]
    B -->|No| D["Exit"]
    C --> E["Refrigeration"]
    E --> F["Refrigeration"]
    F --> G["Refrigeration"]
    G --> H["Refrigeration"]
    H --> I["Exit"]
    style A fill:#f9f,stroke:#333
    style I fill:#bbf,stroke:#333

Don't put operating device inside closed space.

FCC notice

This device 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 interference in a residential installation. This device generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.

However, there is no guarantee that interference will not occur in a particular installation. If this device does cause harmful interference to radio or television reception, which can be determined by turning the device off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

■ Reorient or relocate the receiving antenna.
■ Increase the separation between the device and receiver.
■ Connect the device into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/television technician for help

Notice: Shielded cables

All connections to other computing devices must be made using shielded cables to maintain compliance with FCC regulations.

Notice: Peripheral devices

Only peripherals (input/output devices, terminals, printers, etc.) certified to comply with Class B limits may be attached to this equipment. Operation with non-certified peripherals is likely to result in interference to radio and TV reception.

Caution

Changes or modifications not expressly approved by the manufacturer could void the user's authority, which is granted by the Federal Communications Commission, to operate this computer.

Operation conditions

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Notice: Canadian users

This Class B digital apparatus complies with Canadian ICES-003

Index

1. Outlook ...... 2
2. Product Specification....4
3. Internal Connectors....5
4. Function introduction....6
5. Packing List....8
6. Chassis and Holder Dimension....9

1. Outlook

Front IO

Rear IO

2. Product Specification

CPU	Intel Apollo Lake Celeron J3455 processor TDP≤10W
Chipset	NA
Memory	Dual Channel Mode, SO-DIMM DDR3Lx 2, 1866MT/s, Max memory size : 8GB
Graphics	Intel® HD Graphics 500
Expansion	M.2 2230 x 1(key E), M.2 2242 x 1(key B)
Slot	M.2 2242 x 1(key B)
Audio	Realtek ALC269Q HD Audio CODEC on-Board.
LAN	Realtek GbE LAN controller RTL8111H x 2
Front Panel IO	Power Button x 1 (with Power indicator (Blue)), HDD indicator (Blue) x 1, USB 3.0 Port x 2
Rear Panel IO	DC 19V Jack x 1, HDMI2.0 Port x 1, HDMI1.4b Port x 1, RJ45 LAN Jack x 2, USB 3.0 Port x 2, HD Audio ports (speaker out x 1, Mic in x 1), RS232 x 1, Extend power SW x 1, Remote.M x 1(Optional)
Adapter	90W (19V, 4.74A) AC Power Adapter
Input Voltage	AC 100 ~ 240V

3. Internal Connectors

4. Function Introduction

4.1 Extend power switch

Extend power switch at rear IO of DEX3450-W can allow customer to extend the power switch by their demand, and customer can decide their own switch specification and cable length just follow the wire gauge and strip length.

(The cable above is an illustration diagram only not an accessory)

Ground & SW+ are for connection to extend power switch, and PS_ON is a signal to present the system power on/off status, when PS_ON signal is low, then system is in power on status when PS_ON signal is high, then system is in power off status

This is a screwless type spring clamp pluggable terminal block, you can insert a wire by press the button on the terminal, please refer to the procedure below.

Step 1 please prepare a pin or rod that hard enough for pushing the button on the terminal block

Step 2 push the button in the end and hold it

Step 3 insert the wire into the hole and make sure the stripped portion is fully inserted

Step 4 release the pin or rod then the wire will clamp by the terminal block

step1

step2

step3

step4

3D diagram of a mechanical component with a downward arrow indicating force or direction (no text or symbols)

3D diagram of a mechanical component with a downward arrow indicating a process (no text or symbols)

Diagram showing a black cable being inserted into a plastic housing, with a pencil inserted (no text or symbols present)

Diagram showing a mechanical assembly with a curved pipe and a cylindrical component, no text or symbols present.

5. Packing List

DEX3450-W

1 x DEX3450-W system
1 x User Guide
1 x 90W Adapter and Power Cord
1 x power holder

6. Chassis and Holder Dimension

A. Dimension of DEX3450-W (unit: mm[inch])

P/N : 49.DEH04.0010