1. Introduction
Welcome to the user manual for your new Fusion5 14.1-inch A90B+ Pro Windows 10 Laptop. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your device. Please read it thoroughly to ensure optimal performance and longevity of your laptop.

Image: The Fusion5 A90B+ Pro laptop, shown open with a vibrant image displayed on its screen.
2. Safety Information
To prevent damage to your device or injury to yourself and others, please observe the following safety precautions:
- Power: Use only the original power adapter provided with your laptop. Do not use damaged power cords or adapters.
- Battery: Do not attempt to replace the battery yourself. Refer to qualified service personnel. Avoid exposing the battery to extreme temperatures or direct sunlight.
- Environment: Keep the laptop away from water, high humidity, dust, and extreme temperatures. Operate the device in a well-ventilated area.
- Cleaning: Disconnect the power adapter before cleaning. Use a soft, dry cloth. Avoid liquid cleaners.
- Handling: Avoid dropping or subjecting the laptop to strong impacts. Do not place heavy objects on the laptop.
3. Setup Guide
3.1 Initial Charging
Before first use, fully charge your laptop. Connect the power adapter to the laptop's charging port and then to a power outlet. The charging indicator light will typically turn from red to green when fully charged. It is recommended to charge the device completely before its initial use.
3.2 Powering On and Off
To power on, press and hold the power button until the screen illuminates. To power off, navigate to the Start Menu in Windows, select the power icon, and choose "Shut down." Avoid forced shutdowns by holding the power button for extended periods unless necessary.
3.3 Initial Windows Setup
Upon first startup, you will be guided through the Windows 10 Professional setup process. Follow the on-screen prompts to configure language, region, network settings, and user accounts. An active internet connection is recommended for this process to download necessary updates.

Image: The Fusion5 A90B+ Pro laptop displaying the Windows desktop environment.
3.4 Connecting to Wi-Fi
To connect to a wireless network, click the Wi-Fi icon in the system tray (bottom right corner of the screen). Select your desired network from the list, enter the password if prompted, and click "Connect." The laptop supports dual-band Wi-Fi (2.4GHz and 5GHz) for faster speeds.
4. Operating Instructions
4.1 Keyboard and Touchpad
The laptop features a full-sized QWERTY keyboard and a responsive touchpad. Use the touchpad for navigation and interaction with the operating system. Standard gestures such as tap-to-click, two-finger scroll, and pinch-to-zoom are supported.

Image: A detailed view of the laptop's keyboard and touchpad.
4.2 Display
Your Fusion5 A90B+ Pro is equipped with a 14.1-inch Full HD (1920x1080) IPS display, offering wide viewing angles and vibrant colors. Adjust brightness settings through Windows display options or using the function keys on the keyboard.
4.3 Storage Expansion
The laptop comes with 64GB of eMMC storage. You can expand storage up to 256GB using a Micro SD card (TF-card) or by installing an HDD (up to 1TB). Consult Fusion5 support for guidance on HDD installation.

Image: Visual representation of key features including IPS display, Windows OS, Intel chipset, RAM, storage, and WiFi.
4.4 Webcam and Microphone
A 2MP front-facing webcam is integrated for video calls and conferences. The laptop also includes a built-in microphone. Ensure privacy settings are configured in Windows to control access to the camera and microphone by applications.
4.5 Bluetooth Connectivity
The laptop supports Bluetooth 5.2 for connecting wireless peripherals such as headphones, speakers, or mice. To pair a device, go to Windows Settings > Devices > Bluetooth & other devices, and follow the pairing instructions for your accessory.
4.6 Ports and Connections
The Fusion5 A90B+ Pro includes various ports for connectivity:
- USB Ports: For connecting USB devices like external drives, keyboards, or mice.
- HDMI Output: For connecting to external displays or TVs.
- Audio Jack: For connecting headphones or external speakers.
- Micro SD Card Slot: For memory expansion.

Image: The left side of the laptop, highlighting the power input, USB port, and Mini HDMI port.
5. Maintenance
5.1 Cleaning Your Laptop
Regular cleaning helps maintain your laptop's appearance and functionality. Use a soft, lint-free cloth to wipe the screen and chassis. For stubborn marks, slightly dampen the cloth with water or a screen-safe cleaner. Avoid spraying liquids directly onto the laptop.
5.2 Software Updates
Keep your Windows 10 Professional operating system and drivers updated. Regular updates provide security enhancements and performance improvements. You can check for updates via Windows Settings > Update & Security > Windows Update.
5.3 Battery Care
To prolong battery life, avoid fully discharging the battery frequently. It is best to keep the battery charge between 20% and 80%. If storing the laptop for an extended period, ensure the battery is charged to about 50%.
6. Troubleshooting
This section addresses common issues you might encounter with your Fusion5 A90B+ Pro laptop.
| Problem | Possible Cause | Solution |
|---|---|---|
| Laptop does not power on. | Low battery or power adapter issue. | Ensure the laptop is fully charged. Verify the power adapter is correctly connected and functional. |
| Wi-Fi connection issues. | Incorrect password, router issues, or driver problems. | Check Wi-Fi password. Restart your router. Update Wi-Fi drivers via Device Manager. |
| Slow performance. | Too many applications running, low storage, or outdated software. | Close unnecessary applications. Free up storage space. Ensure Windows is updated. |
| Keyboard keys not responding. | Software glitch or hardware malfunction. | Restart the laptop. If the issue persists, contact support. |
7. Specifications
Key technical specifications for the Fusion5 14.1-inch A90B+ Pro Laptop:
| Feature | Detail |
|---|---|
| Brand | Fusion5 |
| Model Name | A90B+PRO-64GB |
| Screen Size | 14.1 Inches |
| Display Resolution | 1920x1080 Pixels (Full HD IPS) |
| CPU Model | Intel Celeron N3350 (Dual-Core) |
| RAM Memory | 4 GB DDR3 SDRAM |
| Hard Disk Size | 64 GB eMMC (Expandable up to 1TB HDD or 256GB Micro SD) |
| Operating System | Windows 10 Pro |
| Graphics Coprocessor | Intel HD Graphics 500 |
| Special Features | Dual Band Wi-Fi (802.11ac), Bluetooth 5.2, 2MP Webcam |
| Connectivity | Bluetooth, USB, HDMI, Mini HDMI |
| Item Weight | 1.29 Kilograms |
| Dimensions (LxWxTh) | 12.68"L x 8.5"W x 0.55"Th |
Video: An official product video showcasing the 14.1-inch Full HD Windows 10 Professional Laptop.
8. Warranty and Support
Fusion5 offers a full 12-month USA warranty period for the A90B+ Pro laptop, applicable to our Service Centre. For warranty claims, technical assistance, or any product-related inquiries, please contact Fusion5 customer support. Refer to the documentation included in your product packaging for specific contact details.
What's in the Box:
- Fusion5 A90B+ Pro Laptop
- Power Adapter
- Battery (integrated)
- Documentation (including this manual)

Image: The product box for the Fusion5 14.1-inch LapBook A90B+ Pro, highlighting its thin, light, and powerful features.