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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.
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Table of Contents
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Summarization of Contents

First Things First
Your Guides
Explains the different guides provided for the notebook.
Software Installation
Details the initial software installation process.
Recovery
Advises on creating recovery backups using Acer Care Center.
Acer Support
Acer Website
Directs users to the Acer website for support.
Warranty and Contact Information
Explains where to find warranty and support contact details.
Your Predator Notebook Tour
Screen View
Illustrates and describes the screen components of the notebook.
Keyboard View
Details the keyboard layout and specific keys for different models.
Left View
Details the ports and features on the left side of the notebook.
Right View
Details the ports and indicators on the right side of the notebook.
Base View
Illustrates and describes the underside components of the notebook.
Rear View
Details the ports and features on the rear of the notebook.
USB Type-C Information
Provides details about the USB Type-C/Thunderbolt 4 port.
Using the Keyboard
Introduces keyboard usage and hotkeys.
Hotkeys
Lists and explains various hotkey combinations for system functions.

Table of Contents