1. Introduction
This manual provides essential information for setting up, operating, maintaining, and troubleshooting your LG Gram 17Z90TL-H 17-inch laptop. Please read this guide thoroughly to ensure proper use and to maximize the performance and longevity of your device.
2. What's in the Box
Upon unpacking your LG Gram laptop, verify that all the following items are included:
- LG Gram 17Z90TL-H 17-inch Laptop
- 65W AC Adapter
- USB Drive (Rock eDigital 32GB)
- Quick Start Guide (if applicable)

Figure 2.1: Front view of the LG Gram 17Z90TL-H laptop.
3. Setup
3.1 Initial Power On
- Charge the Battery: Connect the 65W AC adapter to the laptop's USB-C power port and a power outlet. Allow the battery to charge for at least 30 minutes before first use, or until the charging indicator shows a sufficient charge.
- Power On: Open the laptop lid and press the power button, typically located on the keyboard deck.
- Windows Setup: Follow the on-screen instructions to complete the Windows 11 Home setup process. This includes selecting your region, connecting to a Wi-Fi network, and creating a user account.
3.2 Connecting Peripherals
Your LG Gram laptop offers various ports for connecting external devices:
- USB Thunderbolt 4 / USB4 Type-C (x2): Located on the left side. These ports support data transfer up to 40Gbps, Power Delivery, and DisplayPort 1.4 for external monitors.
- USB 3.2 Gen 1 Type-A (x2): Located on the right side. These ports support data transfer up to 5Gbps for standard USB devices.
- HDMI v2.1: Located on the left side. Connect to external displays or projectors.
- Headphone/Microphone Combo Jack: Located on the left side. For audio input/output.

Figure 3.1: Left side ports (HDMI, Thunderbolt 4, Audio Jack).

Figure 3.2: Right side ports (USB 3.2 Gen 1 Type-A).
4. Operating Your Laptop
4.1 Touchscreen Usage
Your LG Gram features a 17-inch WQXGA (2560 x 1600) IPS touchscreen. Use familiar touch gestures for navigation, zooming, and interaction with applications. Ensure your screen is clean for optimal responsiveness.
4.2 Keyboard and Touchpad
The full-size backlit keyboard includes a numeric keypad for enhanced productivity. The integrated touchpad supports multi-touch gestures for precise control. Adjust touchpad settings in Windows for personalized sensitivity and gestures.
4.3 Fingerprint Reader
For secure and convenient login, the laptop includes a fingerprint reader. Set up your fingerprint(s) through Windows Hello in the Windows Settings. This allows for quick authentication without typing a password.
4.4 Connectivity
- Wi-Fi: The laptop supports Intel Wi-Fi 7 BE201 (2x2) for high-speed wireless internet access. Connect to available networks via the Windows network settings.
- Bluetooth: Integrated Bluetooth 5.4 allows for wireless connection to compatible devices such as headphones, mice, and keyboards. Pair devices through Windows Bluetooth settings.
4.5 Power Management
The LG Gram 17Z90TL-H is equipped with a 2-cell 77Wh battery, providing up to 8 hours of average usage. To optimize battery life:
- Adjust screen brightness.
- Close unnecessary applications.
- Utilize Windows power saving modes.
Always use the provided 65W AC adapter for charging.
5. Maintenance
5.1 Cleaning
- Screen: Use a soft, lint-free cloth specifically designed for electronics. Dampen the cloth slightly with water or a screen cleaner solution. Avoid harsh chemicals.
- Keyboard and Chassis: Use a soft cloth to wipe surfaces. Compressed air can remove dust from between keys.
5.2 Battery Care
- Avoid extreme temperatures.
- Do not fully discharge the battery frequently.
- If storing the laptop for an extended period, ensure the battery is charged to approximately 50-70%.
5.3 Software Updates
Regularly check for and install updates for Windows 11 Home and LG drivers. This ensures optimal performance, security, and compatibility.
6. Troubleshooting
If you encounter issues with your LG Gram laptop, consider the following basic troubleshooting steps:
- No Power: Ensure the AC adapter is securely connected to both the laptop and a working power outlet. Check the power indicator light.
- Screen Issues: If the screen is blank, try adjusting brightness or connecting an external monitor to check if the display output is working.
- Connectivity Problems: For Wi-Fi or Bluetooth issues, try restarting the laptop and your router/device. Check Windows network settings.
- Slow Performance: Close unnecessary applications, check for background processes, and ensure sufficient free storage space.
- System Not Responding: Press and hold the power button for 10-15 seconds to force a shutdown, then restart the laptop.
For more complex issues, refer to the LG support website or contact customer service.
7. Specifications
| Feature | Detail |
|---|---|
| Model Name | Gram 17Z90TL-H |
| Processor | Intel Core Ultra 7 258V 8-Core (up to 4.8 GHz) |
| Graphics | Intel Arc Graphics 140V (Integrated) |
| Display | 17-inch WQXGA (2560 x 1600) IPS Touchscreen, 320 nits, Anti-glare, 60Hz |
| Memory | 32GB LPDDR5 SDRAM 8533 MHz |
| Storage | 1TB NVMe M.2 SSD |
| Operating System | Windows 11 Home |
| Wireless Connectivity | Intel Wi-Fi 7 BE201 (2x2), Bluetooth 5.4 |
| Ports | 2x Thunderbolt 4 (USB4 40Gbps, PD, DP), 2x USB 3.2 Gen 1 Type-A (5Gbps), 1x HDMI v2.1, 1x Headphone/Microphone Combo Jack |
| Camera | 1080p FHD Camera |
| Keyboard | Full-size Backlit Keyboard with Numpad, Fingerprint Reader |
| Battery | 2-cell 77Wh, up to 8 hours average usage |
| Dimensions (L x W x Th) | 14.91 x 10.19 x 0.74 inches |
| Weight | 3.22 lbs |
| Color | Black |
8. Warranty and Support
Your LG Gram 17Z90TL-H laptop is covered by LG's standard product warranty. For detailed warranty terms and conditions, please refer to the warranty card included with your product or visit the official LG support website.
For technical assistance, driver downloads, or service requests, please visit the LG Support website or contact LG customer service directly. Have your model number (17Z90TL-H) and serial number ready when contacting support.







