1. Introduction
This manual provides essential information for setting up, operating, maintaining, and troubleshooting your DUNHOO UL154Y 15.6-inch laptop. Please read this guide thoroughly to ensure optimal performance and longevity of your device.

Figure 1.1: DUNHOO UL154Y 15.6-inch Laptop
2. What's in the Box
Upon opening your DUNHOO UL154Y laptop package, you should find the following items:
- 15.6 Inch Laptop
- AC Adapter
- Instructions (this manual)
3. Getting Started (Setup)
3.1 Initial Power On
- Unpack the laptop and all accessories from the box.
- Connect the AC adapter to the laptop's DC-in port and then to a power outlet.
- Open the laptop lid.
- Press the power button, typically located on the top right of the keyboard, to turn on the laptop.
- Follow the on-screen instructions to complete the Windows 11 Pro initial setup, including language selection, network connection, and user account creation.
3.2 Connecting Peripherals
Your laptop is equipped with various ports for connecting external devices:
- USB 3.0 Ports: For connecting USB devices such as external hard drives, mice, or keyboards.
- HDMI Port: For connecting to external displays or projectors.
- 3.5mm Headphone Jack: For connecting headphones or external speakers.
- TF Card Socket: For inserting a TF (MicroSD) memory card.

Figure 3.1: Laptop Ports and Dimensions
4. Key Features and Components
4.1 Display
The UL154Y features a 15.6-inch Full HD (1920x1080) IPS display, offering clear visuals and vibrant colors.

Figure 4.1: 15.6-inch FHD IPS Display
4.2 Processor
Powered by a 12th Generation N95 processor, the laptop is designed for efficient multitasking and general computing tasks.

Figure 4.2: 12th Gen N95 Processor
4.3 Memory and Storage
The laptop includes 16GB of DDR4 RAM and a 1TB SSD for fast performance and ample storage capacity.

Figure 4.3: Memory and Storage Configuration
4.4 Keyboard and Touchpad
The full-size keyboard features backlighting for use in low-light conditions. The touchpad includes a fingerprint sensor for secure login.

Figure 4.4: Backlit Keyboard and Fingerprint Sensor
4.5 180-Degree Hinge
The laptop's hinge allows for a 180-degree opening, providing flexibility for various viewing angles.

Figure 4.5: 180-Degree Hinge Functionality
5. Operating Instructions
5.1 Power On/Off
- To Power On: Press the power button.
- To Shut Down: Click the Start button (Windows icon), then Power, and select 'Shut down'.
- To Restart: Click the Start button, then Power, and select 'Restart'.
- To Sleep: Click the Start button, then Power, and select 'Sleep'.
5.2 Using the Touchpad
- Single Tap: Left-click.
- Two-Finger Tap: Right-click.
- Two-Finger Scroll: Scroll up or down.
- Pinch-to-Zoom: Zoom in or out.
5.3 Keyboard Functions
- Backlight Control: Press Fn + F5 to toggle the keyboard backlight on or off.
- Brightness Adjustment: Use Fn + F6 (decrease) and Fn + F7 (increase) for screen brightness.
- Volume Control: Use the dedicated function keys (F1-F3) for volume mute, decrease, and increase.
5.4 Fingerprint Unlock
To set up fingerprint unlock, navigate to Windows Settings > Accounts > Sign-in options > Fingerprint recognition (Windows Hello Fingerprint) and follow the instructions to register your fingerprint.
5.5 Battery Management
The laptop has a built-in 5000mAh/38Wh battery. To maximize battery life:
- Adjust screen brightness to a comfortable level.
- Close unused applications.
- Enable battery saver mode in Windows settings.
- Avoid extreme temperatures.
6. Maintenance and Care
- Cleaning: Use a soft, lint-free cloth to clean the screen and exterior. Avoid harsh chemicals.
- Software Updates: Regularly check for and install Windows updates to ensure system stability and security.
- Storage: Store the laptop in a cool, dry place when not in use.
- Handling: Avoid dropping the laptop or exposing it to excessive force.
7. Troubleshooting
If you encounter issues with your DUNHOO UL154Y laptop, refer to the following common solutions:
- Laptop not powering on: Ensure the AC adapter is securely connected and the power outlet is functional. Try charging the laptop for at least 30 minutes before attempting to power it on again.
- Keyboard backlight not working: Press Fn + F5 to ensure the backlight is enabled. Check Windows settings for keyboard backlight options.
- Fingerprint unlock issues: Ensure your finger is clean and dry. Re-register your fingerprint in Windows Settings if the issue persists.
- Slow performance: Close unnecessary applications, check for background processes, and ensure sufficient free storage space on the SSD.
- No internet connection: Verify Wi-Fi is enabled and you are connected to the correct network. Restart your router if necessary.
For further assistance, please contact customer support.
8. Product Specifications
| Feature | Specification |
|---|---|
| Brand | DUNHOO |
| Model Name | UL154Y |
| Screen Size | 15.6 Inches |
| Screen Resolution | 1920 x 1080 pixels (FHD IPS) |
| Processor | 12th Gen N95 Processor (up to 3.4GHz) |
| RAM | 16 GB LPDDR4 |
| Hard Drive | 1 TB SSD |
| Operating System | Windows 11 Pro |
| Graphics Card | Integrated |
| Wireless Type | 802.11a/b/g/n, Bluetooth 4.2 |
| USB 3.0 Ports | 2 |
| HDMI Port | 1 |
| Headphone Jack | 1 (3.5mm) |
| TF Card Socket | 1 |
| Battery | 5000mAh/38Wh (Approx. 4 hours average battery life) |
| Item Weight | 3.52 pounds |
| Product Dimensions | 14 x 0.7 x 9 inches |
| Special Features | 180-Degree Opening, Backlit Keyboard, Fingerprint Reader, HD Audio, Numeric Keypad |
9. Warranty and Support
9.1 Warranty Period
We provide customers with a one-year effective warranty period, including free return or exchange service.
9.2 How to Contact Support
For any product-related matters or to utilize offline maintenance services, you can consult our professional service team via email. To find us:
- Log in to your Amazon account.
- Go to "Your orders".
- Find the relevant order.
- Click "Contact seller".
We are committed to your satisfaction and will help resolve any issues as soon as possible.