Introduction
This manual provides essential information for setting up, operating, maintaining, and troubleshooting your Acer Predator Helios 300 PH317-55-77S4 Gaming Laptop. Please read this manual thoroughly to ensure proper use and to maximize the performance and longevity of your device.
Package Contents
Before you begin, ensure all items are present in the package:
- Acer Predator Helios 300 PH317-55-77S4 Gaming Laptop
- AC Adapter
- Power Cord
- Hard Drive Upgrade Kit (for 2.5-inch drive bay)

Figure 1: Items included in the Acer Predator Helios 300 PH317-55-77S4 package.
Setup
1. Initial Power-On and Charging
- Connect the AC adapter to the laptop's DC-in jack.
- Plug the power cord into a power outlet.
- Allow the laptop to charge for at least 30 minutes before initial use.
- Press the power button to turn on the laptop.
2. Operating System Setup
Follow the on-screen instructions to complete the Windows 10 Home setup process. This includes selecting your region, language, creating a user account, and connecting to a Wi-Fi network.
3. Connecting Peripherals
The laptop features various ports for connecting external devices:
- USB 3.2 Gen 2 Type-C (Thunderbolt 4): For high-speed data transfer, DisplayPort over USB Type-C, and USB charging.
- USB 3.2 Gen 2: One port with Power-off Charging capability.
- USB 3.2 Gen 1: Two standard USB ports.
- HDMI 2.1: For connecting to external displays with HDCP support.
- Mini DisplayPort 1.4: Another option for external display connectivity.
- Ethernet (RJ-45): For wired network connection.
- Headphone/Speaker/Line-out Jack: For audio output.

Figure 2: Overview of laptop ports and features.
Operating Instructions
1. Power Management
The laptop is equipped with an 11th Generation Intel Core i7-11800H processor and NVIDIA GeForce RTX 3070 Laptop GPU for high performance. Manage power settings through Windows to optimize battery life or performance as needed. The typical battery life is up to 5.5 hours for video playback.
2. Display Settings
The 17.3-inch QHD (2560 x 1440) IPS display features a 165Hz refresh rate and 3ms Overdrive response time. Adjust display settings in Windows for resolution, refresh rate, and color profiles.

Figure 3: The high-refresh-rate QHD display.
3. Audio Features
Experience enhanced audio with DTS:X Ultra and Acer True Harmony Technology through the dual stereo speakers. Acer Purified.Voice technology with two built-in microphones improves communication clarity.

Figure 4: DTS:X Ultra for immersive audio.
4. Network Connectivity
The laptop features Killer Wi-Fi 6 AX 1650i and Killer Ethernet E2600. Intel Killer DoubleShot Pro allows simultaneous use of Wi-Fi and Ethernet, prioritizing gaming traffic for optimal performance.

Figure 5: Prioritize network traffic with Killer DoubleShot Pro.
5. PredatorSense Software
Utilize the dedicated Turbo key for instant overclocking or launch the PredatorSense application to monitor system performance, customize RGB lighting, and manage fan control settings.

Figure 6: PredatorSense for system control.
Maintenance
1. Cleaning
- Regularly clean the screen with a soft, lint-free cloth and a screen-safe cleaning solution.
- Use compressed air to clear dust from the keyboard and cooling vents.
- Wipe the exterior surfaces with a damp cloth. Avoid harsh chemicals.
2. Cooling System
The laptop features a 5th Generation AeroBlade Fan and Vortex Flow Design for efficient cooling. Ensure vents are unobstructed during use to maintain optimal performance and prevent overheating.

Figure 7: Cooling system with AeroBlade Fan technology.
3. Storage and Memory Upgrades
The laptop supports upgrades for memory and storage. It has two SODIMM slots for up to 64GB DDR4 3200MHz memory, two PCIe Gen 4 M.2 slots for SSDs, and one available 2.5-inch hard drive bay.

Figure 8: Upgradable internal components.
Troubleshooting
1. Power Issues
- Laptop not turning on: Ensure the AC adapter is securely connected and the battery has sufficient charge. Try a different power outlet.
- Battery not charging: Verify the AC adapter and power cord are functioning correctly. Check for any damage to the charging port.
2. Display Problems
- No display: Connect an external monitor to check if the issue is with the laptop's internal display. Ensure display drivers are updated.
- Flickering or distorted display: Update graphics drivers. Check display cable connections if using an external monitor.
3. Performance Issues
- Slow performance: Close unnecessary applications. Check for malware. Ensure sufficient free storage space. Monitor CPU/GPU temperatures using PredatorSense.
- Overheating: Clean cooling vents. Ensure the laptop is on a hard, flat surface to allow proper airflow. Adjust fan settings in PredatorSense.
Specifications
| Feature | Specification |
|---|---|
| Model Name | PH317-55-77S4 |
| Processor | 11th Generation Intel Core i7-11800H (8 Cores, up to 4.6 GHz) |
| Graphics | NVIDIA GeForce RTX 3070 Laptop GPU with 8 GB GDDR6 VRAM |
| Display | 17.3" QHD (2560 x 1440) IPS LED-backlit, 165Hz Refresh Rate, 3ms Overdrive Response Time |
| RAM | 16GB DDR4 3200MHz (Expandable to 64GB) |
| Storage | 1TB PCIe Gen 4 SSD (2 x M.2 slots, 1 x 2.5" HDD bay available) |
| Wireless Connectivity | Killer Wi-Fi 6 AX 1650i, Bluetooth 5.0 |
| Ethernet | Killer Ethernet E2600 (10/100/1000 Gigabit LAN) |
| Ports | 1x USB 3.2 Gen 2 Type-C (Thunderbolt 4), 1x USB 3.2 Gen 2 (Power-off Charging), 2x USB 3.2 Gen 1, 1x HDMI 2.1, 1x Mini DisplayPort 1.4, 1x Ethernet (RJ-45), 1x Headphone/Speaker/Line-out Jack |
| Keyboard | 4-Zone RGB Backlit Keyboard |
| Operating System | Windows 10 Home |
| Battery | Lithium Ion, up to 5.5 hours video playback |
| Dimensions (WxDxH) | 15.67 x 10.84 x 1.18 inches |
| Weight | 6.39 lbs (2.9 kg) |
Warranty and Support
Your Acer Predator Helios 300 PH317-55-77S4 Gaming Laptop comes with a One-Year International Travelers Limited Warranty (ITW).
For technical support, warranty claims, or service inquiries, please visit the official Acer support website or contact their customer service. Keep your proof of purchase for warranty validation.
Online Support: www.acer.com/support





