1. Introduction and Overview
This manual provides essential information for the safe and efficient use of your Fujitsu LIFEBOOK A3511 laptop. Please read this manual thoroughly before operating the device to ensure proper setup, functionality, and longevity.
The Fujitsu LIFEBOOK A3511 is a versatile 15.6-inch laptop designed for everyday computing tasks. It features an Intel Core i3-1115G4 processor, 8GB of RAM, and a 256GB SSD, offering reliable performance for office work, browsing, and multimedia consumption. Please note that this model is shipped without a pre-installed operating system.
Key Features:
- Intel Core i3-1115G4 Processor (up to 4.1 GHz, Dual-Core)
- 15.6-inch Full HD (1920x1080) Anti-glare Display
- 8 GB DDR4 RAM
- 256 GB SSD Storage
- Integrated Intel UHD Graphics
- Integrated Webcam
- Connectivity: HDMI, WLAN-ac, Bluetooth
- Approximate Battery Life: Up to 9 hours
- Weight: Approximately 2 kg
2. What's in the Box
Upon opening the packaging, please verify that all components are present and undamaged:
- Fujitsu LIFEBOOK A3511 Laptop
- AC Power Adapter and Power Cord
- Quick Start Guide and Safety Information
If any items are missing or damaged, please contact your retailer or Fujitsu support immediately.
3. Setup Guide
3.1 Unpacking and Initial Inspection
Carefully remove the laptop and all accessories from the packaging. Inspect the device for any visible damage. Place the laptop on a stable, flat surface.
3.2 Connecting the Power Adapter
Connect the AC power adapter to the power input port on the side of the laptop. Plug the power cord into a suitable electrical outlet. The battery will begin charging automatically.

Figure 3.1: Front view of the Fujitsu LIFEBOOK A3511, showing the display and keyboard.
3.3 First Boot and Operating System Installation
Since this model does not come with a pre-installed operating system, you will need to install one (e.g., Windows, Linux) before full use. Prepare a bootable USB drive or DVD with your preferred operating system installer.
- Press the power button to turn on the laptop.
- During startup, repeatedly press the designated key (often F2, F12, or Del, consult the Quick Start Guide for your specific model) to enter the BIOS/UEFI settings or boot menu.
- Configure the boot order to prioritize your USB drive or DVD drive.
- Save changes and exit. The laptop will restart and boot from your installation media.
- Follow the on-screen instructions to install your operating system.
3.4 Connecting Peripherals
Once the operating system is installed, you can connect external devices such as a mouse, keyboard, external monitor, or USB drives to the available ports.

Figure 3.2: Side view of the laptop, highlighting available ports for connectivity.
4. Operating Instructions
4.1 Powering On/Off
- To Power On: Press the power button located on the keyboard deck.
- To Shut Down: In your operating system, select 'Shut Down' from the power options. Avoid forced shutdowns by holding the power button unless absolutely necessary.
- Sleep Mode: Close the lid or select 'Sleep' from the power options.
4.2 Using the Keyboard and Touchpad
The laptop features a full-sized keyboard and a precision touchpad. Familiarize yourself with the function keys (Fn) which, when pressed in combination with F-keys (F1-F12), control various settings like screen brightness, volume, and Wi-Fi.

Figure 4.1: Angled view of the laptop, showcasing the keyboard layout and touchpad.
4.3 Network Connectivity
- Wi-Fi: Access your operating system's network settings to connect to available Wi-Fi networks. Ensure Wi-Fi is enabled (often via a function key or software switch).
- Bluetooth: Enable Bluetooth in your operating system settings to pair with compatible devices like headphones or external keyboards.
4.4 External Display Connection
Use the HDMI port to connect an external monitor or projector. Once connected, you can configure display settings (duplicate, extend, second screen only) through your operating system's display settings.
5. Maintenance
5.1 Cleaning
- Screen: Use a soft, lint-free cloth specifically designed for electronics. Dampen slightly with water or a screen cleaner if necessary. Do not spray liquid directly onto the screen.
- Keyboard and Chassis: Use a soft cloth to wipe surfaces. For dust in crevices, use compressed air.
- Always power off and unplug the laptop before cleaning.
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 about 50-60%.
5.3 Software Updates
Regularly update your operating system, drivers, and security software to ensure optimal performance and protection against vulnerabilities.
5.4 Storage Management
Periodically clean up unnecessary files and applications to maintain sufficient free space on your SSD, which contributes to faster performance.
6. Troubleshooting
This section addresses common issues you might encounter with your Fujitsu LIFEBOOK A3511.
6.1 No Power / Laptop Not Turning On
- Ensure the AC adapter is securely connected to both the laptop and a working power outlet.
- Check if the power outlet is functional by plugging in another device.
- If the battery is completely drained, it may take a few minutes of charging before the laptop can power on.
6.2 Display Issues
- Blank Screen: Ensure the laptop is powered on. Try adjusting screen brightness using function keys. If an external monitor is connected, try disconnecting it.
- External Monitor Not Detected: Verify the HDMI cable connection. Check display settings in your operating system.
6.3 Wi-Fi Connectivity Problems
- Ensure Wi-Fi is enabled in your operating system and via any physical or function key switch.
- Restart your router/modem.
- Forget the network and reconnect, entering the password again.
- Update Wi-Fi drivers if available.
6.4 Slow Performance
- Close unnecessary applications running in the background.
- Check for sufficient free space on your SSD.
- Run a virus/malware scan.
- Ensure your operating system and drivers are up to date.
6.5 No Operating System Found (After Installation)
- Re-enter BIOS/UEFI settings and verify the boot order. Ensure the SSD is recognized as a bootable device.
- If the SSD is not detected, it may indicate a hardware issue or improper installation.
For persistent issues not covered here, please refer to the Fujitsu support website or contact their customer service.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | Fujitsu |
| Model Name | A3511 |
| Color | Black |
| Processor | Intel Core i3-1115G4 (up to 4.1 GHz, Dual-Core) |
| Display Size | 15.6 inches |
| Display Resolution | 1920 x 1080 Pixels (Full HD) |
| RAM | 8 GB DDR4 SDRAM |
| Storage | 256 GB SSD |
| Graphics | Integrated Intel UHD Graphics |
| Operating System | None (User-installable) |
| Connectivity | WLAN-ac, Bluetooth, HDMI |
| Audio Output | Headphones |
| Battery Life (Average) | Up to 9 hours |
| Item Weight | 2 Kilograms |
| Product Dimensions | 50 x 50 x 28 cm |
8. Warranty and Support
Your Fujitsu LIFEBOOK A3511 is covered by a manufacturer's warranty. The specific terms and duration of the warranty may vary by region and retailer. Please refer to the warranty card included with your product or visit the official Fujitsu website for detailed warranty information.
For technical support, driver downloads, or further assistance, please visit the official Fujitsu support website. You may also find frequently asked questions (FAQs) and troubleshooting guides there.
Fujitsu Official Website: www.fujitsu.com





