ASUS G635LX

ASUS ROG Strix Scar 18 G835 Gaming Laptop User Manual

Model: G635LX

1. Introduction

This manual provides essential information for setting up, operating, maintaining, and troubleshooting your ASUS ROG Strix Scar 18 G835 gaming laptop. Please read this manual thoroughly to ensure proper usage and to maximize the performance and longevity of your device.

The ASUS ROG Strix Scar 18 G835 is a high-performance gaming laptop designed for demanding applications and immersive gaming experiences. Key features include:

  • High Speed RAM And Enormous Space: 64GB high-bandwidth DDR5 RAM and 2TB PCIe M.2 Solid State Drive for fast performance and ample storage.
  • Powerful Processor: Intel Core Ultra 9 275HX (24 Cores, 24 Threads, up to 5.40GHz) with NVIDIA GeForce RTX 5090 (24GB GDDR7).
  • Stunning Display: 18" ROG Nebula HDR Display, WQXGA (2560 x 1600), Mini LED, 240Hz, 3ms Response Time.
  • Advanced Connectivity: 2 x Thunderbolt 5, 3 x USB 3.2 Gen 2 Type-A, RJ-45, HDMI, Wi-Fi 7 & Bluetooth.
  • Operating System: Windows 11 Pro.
ASUS ROG Strix Scar 18 G835 Gaming Laptop with PCO Laptop Cooler and Windows 11 Pro box

Image 1.1: ASUS ROG Strix Scar 18 G835 Gaming Laptop with included PCO Laptop Cooler and Windows 11 Pro software.

2. Product Features

2.1 Design and Display

The ROG Strix Scar 18 features a sleek design with a focus on performance and aesthetics. The 18-inch ROG Nebula HDR display provides exceptional visual clarity and color accuracy, crucial for both gaming and content creation.

Rear view of the ASUS ROG Strix Scar 18 laptop highlighting its design and features like high performance processor support, AI acceleration, and strong gaming performance.

Image 2.1: Rear view of the ASUS ROG Strix Scar 18 laptop, emphasizing its design and core capabilities.

ROG Nebula HDR Mini LED Panel with ACR Technology for 180-degree ultra-clear view and better contrast.

Image 2.2: ROG Nebula HDR Mini LED Panel with ACR Technology for superior viewing angles and contrast.

2.2 Performance Hardware

Equipped with cutting-edge components, the Strix Scar 18 delivers powerful performance for the most demanding tasks.

Intel Core Ultra 9 275HX processor details showing 24 total cores, 24 total threads, 36MB Intel Smart Cache, and 5.4 GHz Max Turbo Frequency.

Image 2.3: Intel Core Ultra 9 275HX processor specifications.

NVIDIA GeForce RTX 5090 Laptop GPU details including 32 GB GDDR7, 21760 NVIDIA CUDA Cores, 2.41 GHz Boost Clock, and 512-bit Memory Interface Width.

Image 2.4: NVIDIA GeForce RTX 5090 Laptop GPU specifications.

Video 2.1: Official ASUS ROG Strix SCAR product overview video. This video highlights key features such as tool-less access for upgrades, intelligent cooling, and display technology.

2.3 Cooling System

The ROG Intelligent Cooling system is designed to maintain optimal temperatures during intense gaming sessions, ensuring stable performance and longevity of components.

Diagram illustrating ROG Intelligent Cooling with vapor chamber, tri-fan technology, and sandwiched heatsink design, showing airflow and temperature reduction.

Image 2.5: ROG Intelligent Cooling system overview.

2.4 Connectivity

The laptop offers a comprehensive array of ports for connecting peripherals, external displays, and network devices.

Diagram showing the various I/O ports on the ASUS ROG Strix Scar 18, including USB 3.2 Gen 2 Type-A, 2.5G Ethernet, Power Port, Thunderbolt 5 (USB Type-C), Audio Jack, and HDMI 2.1.

Image 2.6: Incredible I/O ports available on the laptop.

2.5 Keyboard and Touchpad

The Strix Scar 18 features a professional esports-grade keyboard with per-key RGB lighting and a large, responsive touchpad for precise control.

Top-down view of the ASUS ROG Strix Scar 18 keyboard, highlighting Per-Key RGB, Full-Size Keyboard, and Gaming Hotkeys with ASUS Aura Sync.

Image 2.7: Keyboard features of the Strix Scar 18.

Close-up of the large touchpad on the ASUS ROG Strix Scar 18 laptop.

Image 2.8: Large touchpad for effortless navigation.

2.6 Audio System

Experience immersive sound with Dolby Atmos-powered speakers, featuring two tweeters and two downward-firing woofers, complemented by Two-Way AI Noise Cancelation.

Diagram showing the Studio-Quality Sound system with Smart Amp Technology, 5.1.2 Channel Virtual Surround Sound, and Two-Way AI Noise Cancelation with Dolby Atmos.

Image 2.9: Studio-Quality Sound system.

2.7 Battery and Power

The Strix Scar 18 is equipped with a 90Wh battery, providing extended usage time, and supports rapid Type-C charging for convenience.

Illustration of the 90Wh battery and Rapid Type-C Charging feature for all-day endurance.

Image 2.10: Battery and charging features.

3. Initial Setup

3.1 Unboxing and Inspection

Carefully remove the laptop and all accessories from the packaging. Inspect all components for any signs of damage. The package should include the ASUS Gaming Laptop and the PCO Notebook Folding Radiator (Laptop Cooler).

3.2 Power Connection

  1. Connect the AC adapter to the laptop's power input port.
  2. Plug the power cord into a grounded electrical outlet.
  3. Ensure the battery is sufficiently charged before initial use.

3.3 Initial Boot and Operating System Setup

  1. Open the laptop lid and press the power button.
  2. Follow the on-screen instructions to complete the Windows 11 Pro setup process. This includes selecting your region, language, creating a user account, and connecting to a network.
  3. It is recommended to connect to the internet during setup to download the latest updates for Windows and drivers.

4. Operating Your Laptop

4.1 Basic Operation

Familiarize yourself with the keyboard and touchpad. The keyboard features RGB backlighting and a numeric keypad. The large touchpad supports multi-touch gestures for enhanced navigation.

4.2 Performance Modes

Your laptop supports various performance modes to optimize power consumption and performance. These modes can typically be adjusted via ASUS Armoury Crate software or dedicated function keys.

Diagram showing Max Wattage distribution between CPU and GPU in Turbo mode and Manual mode, with a total of 255W.

Image 4.1: Max Wattage distribution in different performance modes.

Refer to the Armoury Crate software for detailed control over CPU and GPU power limits, fan speeds, and other performance-related settings.

5. Maintenance and Upgrades

5.1 Cleaning

  • Regularly clean the screen with a soft, lint-free cloth and a screen-safe cleaning solution.
  • Use compressed air to clear dust from keyboard keys and ventilation grilles.
  • Wipe the chassis with a slightly damp cloth. Avoid harsh chemicals.

5.2 Software Updates

Keep your operating system, drivers, and ASUS utilities (like Armoury Crate) updated to ensure optimal performance, security, and compatibility. Windows Update will handle OS updates, while ASUS provides driver and utility updates through their support website or dedicated software.

5.3 Hardware Upgrades

The ROG Strix Scar 18 is designed for easy upgrades, featuring tool-less access to key components.

Diagram showing tool-less access for RAM and SSD upgrades, highlighting Q-Latch System, Storage Upgrade, Limitless Connectivity, and RAM Upgradability.

Image 5.1: Tool-less access for RAM and SSD upgrades.

You can upgrade the RAM up to 64GB DDR5 and expand storage with additional PCIe M.2 SSDs. Refer to the official ASUS support resources for detailed instructions on hardware upgrades to avoid voiding your warranty.

6. Troubleshooting

This section provides solutions to common issues you might encounter with your laptop.

ProblemPossible CauseSolution
Laptop does not power onNo power, discharged battery, hardware issueEnsure AC adapter is properly connected and outlet is working. Try charging for a few minutes. If issue persists, contact support.
Screen is blank or blackDisplay settings, external monitor connection, driver issuePress Fn + F7 (or relevant display toggle key) to cycle display modes. Disconnect external monitors. Update graphics drivers.
Wi-Fi connection issuesDriver issue, router problem, Wi-Fi disabledEnsure Wi-Fi is enabled (Fn + F2). Restart router and laptop. Update Wi-Fi drivers.
Overheating during useBlocked vents, high-performance settings, dust buildupEnsure vents are clear. Use the PCO Laptop Cooler. Adjust performance modes. Clean internal components if comfortable, or seek professional service.
Slow performanceToo many background applications, low disk space, outdated driversClose unnecessary applications. Free up disk space. Update all drivers and Windows. Check for malware.

7. Technical Specifications

Detailed specifications for the ASUS ROG Strix Scar 18 G635LX laptop:

FeatureSpecification
BrandASUS
Model NameG635LX
Standing Screen Display Size18 Inches
Max Screen Resolution2560x1600 Pixels
ProcessorIntel Core Ultra 9 275HX (5.4 GHz max turbo frequency)
RAM64 GB DDR5 RAM (4800 MHz)
Hard Drive2 TB SSD (PCIE x 4 interface)
Graphics CoprocessorNVIDIA GeForce RTX 5090 (Dedicated)
Wireless TypeWi-Fi 7 (802.11ax) & Bluetooth
USB 3.0 Ports5
Operating SystemWindows 11 Pro
Item Weight49.8 pounds
Product Dimensions (LxWxH)15.71 x 11.73 x 0.93 inches
ColorBlack
Power SourceAC & Battery
Batteries1 Lithium Ion batteries required (included)
Special FeatureBacklit Keyboard, Numeric Keypad

8. Warranty and Support

Your ASUS ROG Strix Scar 18 G835 laptop comes with a standard manufacturer's warranty. Please refer to the warranty card included in your product packaging or visit the official ASUS support website for detailed warranty terms and conditions specific to your region.

For technical assistance, driver downloads, and further support, please visit the ASUS official support website. You may also contact ASUS customer service directly for personalized assistance.

Online Resources:

© 2025 ASUS. All rights reserved.

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