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© 2021. All Rights Reserved.
Predator Helios 300
Covers: PH315-55 / PH317-56
This revision: December 2021
This manual contains proprietary information that is protected by copyright
laws. The information contained in this manual is subject to change without
notice. Some features described in this manual may not be supported
depending on the Operating System version. Images provided herein are for
reference only and may contain information or features that do not apply to
your computer. Acer Group shall not be liable for technical or editorial errors
or omissions contained in this manual.
Model number: _________________________________________________
Serial number: _________________________________________________
Date of purchase: _____________________________________________
Place of purchase: ____________________________________________
E
NVIRONMENT
Temperature:
­ Operating: 5 °C to 35 °C
­ Storage: -20 °C to 60 °C
Humidity (non-condensing):
­ Operating: 20% to 80%
­ Storage: 20% to 60%
WARNING! To reduce the possibility of heat-related injuries or of overheating the
computer, do not place the computer directly on your lap or obstruct the computer air
vents. Use the computer only on a hard, flat surface. Do not allow another hard surface,
such as an adjoining optional printer, or a soft surface, such as pillows or rugs or clothing,
to block airflow. Also, do not allow the AC adapter to come into contact with the skin or a
soft surface, such as pillows or rugs or clothing, during operation.
1

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Table of Contents
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Summarization of Contents

Environmental Specifications
Temperature Ranges
Specifies operating and storage temperature limits for the computer.
Humidity Levels
Specifies operating and storage humidity levels for the computer.
Getting Started and Guides
User Guides Overview
Introduces the Setup Guide, Quick Guide, and User's Manual for the notebook.
Software and Recovery
Initial Software Installation
Describes the automatic software installation process upon first startup.
System Recovery Backups
Explains the importance and process of creating system recovery backups.
Support and Troubleshooting
Acer Support Information
Provides guidance on contacting Acer support and using online resources.
Acer Website Resources
Directs users to the Acer website for up-to-date information, help, and downloads.
Warranty and Contact Details
Explains how to find warranty information and contact technical support.
Notebook Overview
Screen and Webcam View
Illustrates and describes the computer's screen and webcam components.
Keyboard View
Keyboard Layouts and Features
Identifies keyboard layouts, touchpads, and special function keys.
Left View
Ports and Connectivity
Details the Kensington lock slot, Ethernet, USB ports, and audio jack.
Right View
Indicators and Ports
Describes battery/power indicators and USB ports on the right side.
Base and Rear Views
Base Components
Identifies ventilation, speakers, and other components on the base.
Rear Ports and Connectors
Details the DC-in jack on the rear of the notebook.
Using the Keyboard
USB Type-C and Thunderbolt
Information on USB Type-C/Thunderbolt 4 port capabilities and charging.
Hotkeys Functions
Explains how to use function keys (Fn) for various system controls.

Table of Contents