PH315-55 Laptop

File:Acer Logo.svg - Wikimedia CommonsInstruction Manual


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.

First things first

We would like to thank you for making this Predator notebook your choice for meeting your mobile computing needs.
Your guides
To help you use your Predator notebook, we have designed a set of guides:
First off, the Setup Guide helps you get started with setting up your computer.
The Quick Guide introduces you to the basic features and functions of your new computer.
For more on how your computer can help you to be more productive, please refer to the Predator Helios 300 User’s Manual. The Predator Helios 300 User’s Manual contains useful information applying to your new computer. It covers basic topics such as using the keyboard and audio, etc.
This guide contains detailed information on such subjects as system utilities, data recovery, expansion options, and troubleshooting. In addition, it contains warranty information and the general regulations and safety notices for your notebook.
The User’s Manual can be downloaded from the Acer support website by going to:

Software installation

The first time you turn on your computer, it will automatically install software and set it up for use. This may take some time, please do not turn off your computer; wait until the installation has finished.
You should create recovery backups as soon as you can. The Acer Care Center program allows you to create recovery backups and then restore or reinstall applications and drivers provided by Acer.
Having trouble?
Acer provides several options to support your purchase.

Acer support
Make sure you write down your computer serial number, date and place of purchase, and model name on the area provided in this guide; save your proof of purchase. Before you call us, please write down any error message that accompanies the problem, and have the computer in front of you and switched on if possible. Having these items to hand when contacting us will ensure better and quicker service.

Acer website
Remember to visit and refer to the support section for up-to-date information, help, drivers, and downloads.

Warranty and contact information
You can find information about the warranty for your computer and how to contact technical support in your computer’s Warranty.

Your Predator notebook tour

After setting up your computer as illustrated in the Setup Guide, let us show you around your new Predator computer.

Screen view

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# Icon Item Description
1 Microphones Internal digital microphones for sound recording.
2 Webcam Web camera for video communication.
A light next to the webcam indicates that the webcam is active.
3 Screen Displays computer output.

Keyboard view

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# Icon Item Description
1 TURBO TURBO key Switches overclocking and fan speed level.
2 Keyboard For entering data into your computer.
See “USB Type-C information” on page 9.
3 Touchpad Touch-sensitive pointing device.
The touchpad and selection buttons form a single surface.
Press down firmly on the touchpad surface to perform a left click.
Press down firmly on the lower right corner to perform a right click.
4 acer PH315-55 Laptop - 3 PredatorSense key Launches PredatorSense application.
5 acer PH315-55 Laptop - 4 Power button Turns the computer on and off.
6 Ventilation and cooling fan Allows the computer to stay cool.
Do not cover or obstruct the openings.

Left view

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# Icon Item Description
1 Kensington lock slot Connects to a Kensington-compatible security lock.
2 Ventilation and cooling fan Allows the computer to stay cool.
Do not cover or obstruct the openings.
3 Ethernet (RJ-45) port Connects to an Ethernet 10/100/ 1000Mbps/2.5Gbps-based network.
4 USB port Connects to USB devices.
5 Headset/speaker jack Connects to audio devices (e.g., speakers, headphones) or a headset with a microphone.

USB 3.2 Gen 1 information

  • USB 3.2 Gen 1 compatible ports are blue.
  • Compatible with USB 3.2 Gen 1 and earlier devices.
  • For optimal performance, use USB 3.2 Gen 1-certified devices.
  • Defined by the USB 3.2 Gen 1 specification (SuperSpeed USB).

Right view

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# Icon Item Description
1 acer PH315-55 Laptop - 11 Battery indicator Indicates the computer’s battery status.
Amber when the battery is charging.
Blue when fully charged (with the AC adapter plugged in).
acer PH315-55 Laptop - 12 Power indicator Indicates the computer’s power status.
2 acer PH315-55 Laptop - 13 USB port with power-off charging Connects to USB devices.
3 acer PH315-55 Laptop - 8 USB port Connects to USB devices.
4 Ventilation and cooling fan Allows the computer to stay cool.
Do not cover or obstruct the openings.

USB 3.2 Gen 2 information

  • USB 3.2 Gen 2 compatible ports are blue.
  • Compatible with USB 3.2 Gen 2 and earlier devices.
  • For optimal performance, use USB 3.2 Gen 2-certified devices.
  • Defined by the USB 3.2 Gen 2 specification (SuperSpeed USB).

Base view

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# Icon Item Description
1 Ventilation and cooling fan Allows the computer to stay cool.
Do not cover or obstruct the openings.
2 Speakers Deliver stereo audio output.


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# Icon Item Description
1 acer PH315-55 Laptop - 17 DC-in jack Connects to an AC adapter.

Note: Please press the AC adapter into the tunnel to the power connector. You will feel a click indicating it is connected. Then, check the light of the battery indicator shows amber while charging.

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# Icon Item Description
2 acer PH315-55 Laptop - 19 USB Type-C /
Thunderbolt 4 port
Connects to USB devices with a USB TypeC connector.
Supports Thunderbolt™  4 and displays.
3 acer PH315-55 Laptop - 20 HDMI 2.1 port Supports high-definition digital video connections.
4 acer PH315-55 Laptop - 21 Mini DisplayPort Connects to an external display device.
5 Ventilation and cooling fan Allows the computer to stay cool.
Do not cover or obstruct the openings.

USB Type-C information

  • USB 3.2 Gen 2 with transfer speeds up to 10 Gbps.
  • Supports DisplayPort™ audio/video output.
  •  Compatible with Thunderbolt™ 4.
  • Delivers up to 3 A at 5 V DC for USB charging.
  • DC-in requires a power adapter or power source providing 100 W at 20 V.
    For optimal performance, please use a certified Acer power adapter or USB Power Delivery device.

Using the keyboard
The keyboard has full-sized keys, a numeric keypad, a separate cursor, lock, Windows keys, and hotkeys.

To activate hotkeys, press and hold the Fn key before pressing the other key in the hotkey combination.

Hotkey Icon Function Description
Fn + F2 acer PH315-55 Laptop - 22 Touchpad toggle Turns the built-in touchpad on and off.
Fn + F3 acer PH315-55 Laptop - 23 Flight mode Turns on / off the computer’s network devices.
Fn + F4 acer PH315-55 Laptop - 24 Sleep Puts the computer in Sleep mode.
Fn + F5 acer PH315-55 Laptop - 25 Display toggle Switches display output between the display screen, external monitor (if connected), and both.
Fn + F6 acer PH315-55 Laptop - 26 Display off Turns the display screen backlights off to save power. Press any key to return.
Fn + F7 acer PH315-55 Laptop - 27 Speaker toggle Turns the speakers on and off.
Fn + F8 acer PH315-55 Laptop - 28 Microphone toggle Turns the microphones on and off.
Fn + F9 acer PH315-55 Laptop - 29 Keyboard backlight decrease Decreases the intensity of the keyboard backlight.
Fn + F10 acer PH315-55 Laptop - 30 Keyboard backlight increase Increases the intensity of the keyboard backlight.
Fn + F11 Pause Pause Sends a Break Command.
Fn + F12 Scr Lk Scroll Lock Turns Scroll Lock on or off.
Fn + Right acer PH315-55 Laptop - 31 Brightness up Increases the screen brightness.
Fn + Left acer PH315-55 Laptop - 32 Brightness down Decreases the screen brightness.
Fn + Up Buttons acer PH315-55 Laptop - 33 Volume up Increases the sound volume.
Fn + Down Buttons acer PH315-55 Laptop - 34 Volume down Decreases the sound volume.

© 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: ____________________________________________

Documents / Resources

acer PH315-55 Laptop [pdf] Instruction Manual
AX211NG, HLZAX211NG, PH315-55 Laptop, Laptop


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