MSI Aegis B939 User manual

Aegis Series
Personal Computer
Aegis B939
User Guide

2Contents
Contents
Getting Started.............................................................................................................. 3
Package Contents................................................................................................... 3
Safety & Comfort Tips ............................................................................................ 3
System Overview..................................................................................................... 4
Hardware Setup...................................................................................................... 8
Windows 10 System Operations................................................................................ 10
Power Management ............................................................................................. 10
Network Connection............................................................................................. 12
System Recovery .................................................................................................. 15
Windows 11 System Operations................................................................................ 19
Power Management ............................................................................................. 19
Network Connections........................................................................................... 23
System Recovery .................................................................................................. 31
F3 Hotkey Recovery (Optional) .................................................................................. 33
Safety Instructions...................................................................................................... 34
Regulatory Notices..................................................................................................... 36
Revision
V1.0, 2021/11

3
Getting Started
Getting Started
This chapter provides you with the information on hardware setup procedures. While
connecting devices, be careful in holding the devices and use a grounded wrist strap
to avoid static electricity.
Package Contents
Personal Computer Aegis B939
Documentation
User Guide (Optional)
Quick Guide (Optional)
Warranty Book (Optional)
Accessories
Power Cord
Mouse (Optional)
Keyboard (Optional)
2.5”/3.5” SATA Cable (Optional)
3.5” HDD Bracket (Optional)
2.5” Screws (Optional)
⚠
Important
∙ Contact your place of purchase or local distributor if any of the items is damaged or
missing.
∙ Package contents may vary by country.
∙ The included power cord is exclusively for this personal computer and should not be
used with other products.
Safety & Comfort Tips
∙Choosing a good workspace is important if you have to work with your PC for a long
period of time.
∙Your work area should have enough illumination.
∙Choose the proper desk and chair and adjust their height to fit your posture when
operating.
∙When sitting on the chair, sit straight and keep a good posture. Adjust the chair’s
back (if available) to support your back comfortably.
∙Place you feet flat and naturally on the floor, so that your knees and elbows have the
proper position (about 90-degree) when operating.
∙Put your hands on the desk naturally to support your wrists.
∙Avoid using your PC in a place where discomfort may occur (such as on the bed).
∙The PC is an electrical device. Please treat it with great care to avoid personal
injury.

4Getting Started
System Overview
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5
Getting Started
1Headset Holder
Pull out the hanger, then a headset can be hung on the holder.
2Gaming Dial
Gaming Dial displays system information and supports quick switch
between functions like Mystic Light/ audio volume or game launch.
3Power Button / Power LED
The power LED glows when the system is turned on and goes off when
the system is shut down. In terms of power saving, the LED blinks in S3
(Suspend to RAM) mode and goes off in S4 (Suspend to Disk) mode.
4USB 3.2 Gen 1 Port
This connector is provided for USB peripheral devices. (Speed up to 5 Gbps)
5Microphone Jack
6Headphone Jack
7USB 3.2 Gen 2 Port (Type-C)
This connector is provided for USB peripheral devices. (Speed up to 10
Gbps)
8Hard Disk Drive LED
This indicator shows the activity status of the HDD. It flashes when the
system is accessing data on the HDD and remains off when no disk activity
is detected.
9Ventilator
10 Line-In Jack
11 Line-Out Jack
12 Mic-In Jack
13 CS-Out Jack
Center/ subwoofer line out in 5.1/ 7.1 channel mode.
14 RS-Out Jack
Rear surround sound line out in 4/ 5.1/ 7.1 channel mode.

6Getting Started
15 S/PDIF-Out
This S/PDIF (Sony & Philips Digital Interconnect Format) connector is
provided for digital audio transmission to external speakers through an
optical fiber cable.
16 2.5 Gbps LAN Jack
The standard RJ-45 LAN jack is provided for connection to the Local Area
Network (LAN). You can connect a network cable to it.
LINK/ACT
LED
SPEED
LED
LED Status Description
Link/ Activity
LED
Off No link
Yellow Linked
Blinking Data activity
Speed LED
Off 10 Mbps
Green 100/1000 Mbps
Orange 2.5 Gbps
17 USB 3.2 Gen 2 Port
This connector is provided for USB peripheral devices. (Speed up to 10
Gbps)
18 USB 3.2 Gen 2x2 Port (Type-C)
This connector is provided for USB peripheral devices. This connector can
provide up to 5V/3A of power. (Speed up to 20 Gbps)
19 LAN Jack
The standard RJ-45 LAN jack is provided for connection to the Local Area
Network (LAN). You can connect a network cable to it.
LINK/ACT
LED
SPEED
LED
LED Status Description
Link/ Activity
LED
Off No link
Yellow Linked
Blinking Data activity
Speed LED
Off 10 Mbps
Green 100 Mbps
Orange 1 Gbps

7
Getting Started
20 Thunderbolt™ 4 Port (USB Type-C) (Optional)
∙Support up to 40Gbps transfer rate with Thunderbolt devices.
∙Support up to 20Gbps transfer rate with USB 3.2 Gen 2x2 devices.
∙Support up to 10Gbps transfer rate with USB 3.2 devices.
∙Support up to 5V/3A, 9V/3A, 15V/3A, and 20V/3A power charging
∙Each port can daisy-chain up to three Thunderbolt 4 devices or five
Thunderbolt 3 devices.
∙Support up to 8K display.
21 HDMI 1.4b Port
Supports a maximum resolution of 4K 30Hz.
⚠
Important
∙ Graphics specifications may vary depending on the installed CPU.
∙ For processors without integrated graphics, connect your monitor to the
discrete graphics card.
22 PS/2® Keyboard/ Mouse Port
23 USB 2.0 Port
This connector is provided for USB peripheral devices. (Speed up to 480
Mbps)
⚠
Important
High-speed devices are recommended for USB 3.2 ports whereas low-
speed devices, such as mouse or keyboard, are suggested to be plugged
into the USB 2.0 ports.
24 Kensington Lock Port
This PC provides a Kensington lock port, which allows users to secure the
PC in place with a key or some mechanical PIN device and attached through
a rubberised metal cable. The end of the cable has a small loop which
allows the whole cable to be looped around a permanent object, such as a
heavy table or other similar equipment, thus securing the PC in place.
25 Power Jack

8Getting Started
Hardware Setup
Connect your peripheral devices to suitable ports.
⚠
Important
∙ For detailed instructions on how to connect, please refer to the manuals of your
peripheral devices.
∙ Reference image only. Appearance will vary.
Connecting Thunderbolt Devices via Daisy-chain (Optional)
Daisy-chain is a method of connecting multiple devices to a PC with only one output
terminal. Daisy-chain allows you to connect multiple Thunderbolt devices to a single
Thunderbolt port on the rear I/O panel.
You can also daisy-chain monitors on the rear I/O panel. Please note that monitors
should be the last devices on the chain.
If you want to connect USB devices, please place them at the end of the chain.

9
Getting Started
Connect the power cord to the system and electrical outlet.
Power Rating
•850W: 100-240V~, 50-60Hz, 12V-6A
Press the power button to power on the system.
⚠
Important
When unplugging the AC power cord,
always hold the connector part of the
cord. Never pull the cord directly.

10 Windows 10 System Operations
Windows 10 System Operations
This chapter provides you with essential information on system operations.
⚠
Important
All information is subject to change without prior notice.
Power Management
Power management of personal computers (PCs) and monitors has the potential to
save significant amounts of electricity as well as deliver environmental benefits.
To be energy efficient, turn off your display or set your PC to sleep mode after a period
of user inactivity.
Power Management in Windows 10
∙[Power Options] in Windows OS allow you to control the power management
features of your display, hard drive, and battery. Right-click [Start] , select
[Control Panel] from the list and then click [System and Security].
∙Select [Power Options] and choose a power plan that suits your personal needs. You
may also fine-tune the settings by clicking [Change plan settings].
∙The Shut Down Computer menu presents the options of Sleep (S3/S4) & Shut Down
(S5) for rapid and easy management of your system power.
Power Management
The power management feature allows the computer to initiate a low-power or
“Sleep” mode after a period of user inactivity. To take advantage of these potential
energy savings, the power management feature has been preset to behave in the
following ways when the system is operating on AC power:
∙Turn off the display after 10 minutes
∙Initiate Sleep after 30 minutes