1. Introduction
Welcome to the Adreamer LeoBook16S user manual. This document provides essential information for setting up, operating, maintaining, and troubleshooting your new 16-inch notebook. The LeoBook16S is designed for learning, business, and daily entertainment, featuring a high-resolution display and powerful performance.
Video: Adreamer LeoBook 16S Product Overview
2. Package Contents
Please check the contents of your package. If any items are missing or damaged, contact your retailer.
- 1x Adreamer LeoBook16S Laptop
- 1x DC Charger/Cable (12V/2A)
- 1x User Manual (this document)
- 1x Warranty Card
3. Product Overview
The Adreamer LeoBook16S is a portable computer designed for efficiency and entertainment. Familiarize yourself with its features and ports.
3.1 Key Features
- 16-inch 2.5K UHD IPS Display (2560x1600, 16:10 aspect ratio, 100% sRGB, 400cd/m² brightness)
- 12th Generation Intel® Core™ i5-1240P Processor (12 Cores, 16 Threads, up to 4.4GHz)
- Intel® Iris® Xe Graphics
- 16GB LPDDR4 RAM
- High-speed SSD (up to 1TB, expandable)
- 55Wh Battery with PD65W Fast Charging support
- Windows 11 Operating System
- Full-size keyboard with numeric keypad and large touchpad
- Integrated camera with physical privacy lens cover
- Dual-band Wi-Fi (2.4G/5G) and Bluetooth 5.0

Figure 1: Adreamer LeoBook 16S Laptop Overview
3.2 Ports and Connectors
The LeoBook16S offers a variety of ports for connectivity:
- DC Power Input
- HDMI Output
- USB 3.1 Type-C (2x)
- USB 3.0 (1x)
- USB 2.0 (1x)
- RJ45 Ethernet Port
- 3.5mm Headset Port
- Micro SD Card Slot

Figure 2: Laptop Ports (Right Side)

Figure 3: Laptop Ports (Left Side)
4. Specifications
| Feature | Specification |
|---|---|
| Brand Name | ADREAMER |
| Model | LeoBook 16S |
| Type | Laptop |
| Operating System | Windows 11 |
| CPU Brand/Model | Intel Core i5-1240P |
| Number of Cores | 12 |
| Base Frequency | 3.30 GHz |
| Max Turbo Frequency | 4.40 GHz |
| Graphics Card Model | Intel Iris Xe Graphics |
| Graphic Type | Integrated |
| RAM | 16 GB DDR4 |
| Hard Drive Type | SSD |
| Hard Drive Capacity | 512GB (Expandable to 2TB SSD) |
| Hard Drive Interface | M.2 |
| Display Size | 16 Inches (400mm) |
| Display Resolution | 2560x1600 |
| Panel Type | IPS |
| Screen Refresh Rate | 60 Hz |
| Display Ratio | 16:10 |
| Screen Surface | Glossy |
| Touch Screen | No |
| Battery Capacity | 55Wh |
| Battery Lifetime | Up to 7-9 hours |
| Network Communication | LAN, WiFi (2.4G/5G) |
| Wireless Interfaces | Bluetooth 5.0 |
| Keyboard Language | English |
| Keyboard Backlit Type | No |
| Keyboards | Numeric Keypad |
| Dimensions (WxHxD) | 362.1 x 253.76 x 23.2 mm |
| Weight (Battery Included) | 1.5Kg - 1.8Kg |
| Body Material | Plastic |
| Certification | CE |
| Recommended Use | Learning, Business Use, Daily Entertainment |
5. Setup
5.1 Initial Power On
- Unpack your LeoBook16S and place it on a stable, flat surface.
- Connect the DC charger to the laptop's DC power input port and then to a power outlet.
- Open the laptop lid.
- Press the independent power button located on the top right of the keyboard to turn on the laptop.
- Follow the on-screen instructions to complete the initial Windows 11 setup, including language, region, network connection, and user account creation.

Figure 4: Independent Power Button
5.2 Connecting to a Network
Your LeoBook16S supports both Wi-Fi and wired Ethernet connections.
- Wi-Fi: During initial setup or via Windows settings, select your desired Wi-Fi network and enter the password.
- Ethernet: Connect an Ethernet cable to the RJ45 port on the side of the laptop.
6. Operating Instructions
6.1 Display
The 16-inch 2.5K UHD IPS display provides a clear and vibrant visual experience. The laptop features a 180° screen flip angle for flexible viewing.

Figure 5: 16:10 Aspect Ratio Display
6.2 Keyboard and Touchpad
The full-size keyboard includes a numeric keypad for enhanced productivity. The large touchpad offers convenient and precise navigation.

Figure 6: Full-size Large Keycap Keyboard

Figure 7: Large Touchpad
6.3 Camera Privacy
The integrated camera features a physical privacy lens cover. Slide the cover to the left or right to open or close the camera for enhanced privacy.

Figure 8: Camera Privacy Lens Cover
7. Maintenance
7.1 Cleaning
- Always power off the laptop and disconnect the charger before cleaning.
- Use a soft, lint-free cloth slightly dampened with water or a screen cleaner for the display.
- For the keyboard and chassis, use a soft, dry cloth. Avoid harsh chemicals or abrasive materials.
7.2 Battery Care
- To prolong battery life, avoid fully discharging the battery frequently.
- Store the laptop in a cool, dry place if not used for extended periods, with the battery charged to around 50-70%.
- The laptop supports PD65W fast charging. Use the provided charger or a compatible PD charger for optimal charging.
7.3 Storage Expansion
The LeoBook16S features expandable storage with two SSD card slots, allowing you to upgrade your storage capacity up to 2TB SSD.

Figure 9: Internal Memory and SSD Slots
7.4 Cooling System
The laptop is equipped with an efficient cooling system featuring a large fan and super heat pipe design to maintain optimal performance and prevent overheating.

Figure 10: Cooling System Diagram
8. Troubleshooting
If you encounter issues with your LeoBook16S, refer to the following common problems and solutions:
- Laptop does not power on:
Ensure the charger is securely connected to both the laptop and a working power outlet. Check if the power button is pressed correctly. If the battery is completely drained, it may take a few minutes of charging before the laptop can power on. - Screen is blank or black:
Check if the laptop is powered on. Try adjusting the display brightness. If connected to an external monitor, ensure the correct display output is selected (Fn + Fx key combination, where Fx is the display toggle key). - Wi-Fi connection issues:
Ensure Wi-Fi is enabled in Windows settings. Restart your router and the laptop. Check if other devices can connect to the same Wi-Fi network. - Slow performance:
Close unnecessary applications. Check for background processes consuming high CPU or RAM. Ensure Windows is up to date. Consider running a disk cleanup. - Keyboard or touchpad not responding:
Restart the laptop. Ensure no external devices are interfering. Check Windows device manager for driver issues.
9. User Tips
- Type-C Charging: The LeoBook16S supports charging via its Type-C port using a compatible PD65W (Power Delivery) charger. This offers flexibility for charging with universal Type-C power adapters.
- Storage Management: Regularly check your SSD storage to ensure sufficient free space for optimal performance. Utilize the expandable SSD slots if you require more storage.
- Software Updates: Keep your Windows operating system and drivers updated to ensure security and performance.
10. Warranty and Support
10.1 Warranty Information
Your Adreamer LeoBook16S comes with a 1-year hardware warranty. Accessories included in the package are covered by a 6-month warranty. Please retain your warranty card and proof of purchase.
Important: Rooting the device without permission or any other personal action of modifying the system will void your warranty.
Additionally, you may be eligible for free returns within 90 days of purchase. Please refer to the specific terms and conditions provided at the point of sale.
10.2 Customer Support
For technical assistance, warranty claims, or any other inquiries, please contact ADREAMER customer service. Provide proof of video if products have any problem after receiving the parcel within 7 days for replacement or refund consideration.





