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Fujitsu LIFEBOOK T939 - User Manual

Fujitsu LIFEBOOK T939
128 pages
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System
Operating Manual
FUJITSU LIFEBOOK T939

Table of Contents

Questions and Answers

  • S
    Shawn WelchAug 17, 2025
    What to do if my Fujitsu LIFEBOOK T939 cannot be started?
    • W
      Wayne RossAug 17, 2025
      If your Fujitsu Laptop cannot be started, ensure the battery is correctly installed in its compartment. Also, check if the battery is dead and needs charging, or connect the laptop to the mains adapter. Verify that the power adapter is properly connected to the notebook.
  • M
    Mr. Leonard RobertsAug 20, 2025
    Why battery indicator does not illuminate on Fujitsu Laptop?
    • B
      baileykennethAug 20, 2025
      If the battery indicator on your Fujitsu Laptop does not illuminate, ensure the battery is correctly installed in its compartment and switch the notebook on. If the battery is not being charged, connect the Tablet PC to a mains outlet using the mains adapter. Note that the battery will only be charged again when the battery capacity is less than 90%.
  • J
    John KennedyAug 22, 2025
    Why Fujitsu LIFEBOOK T939 Laptop battery discharges too quickly?
    • S
      Sara CampbellAug 22, 2025
      To address the issue of a Fujitsu Laptop battery discharging too quickly, bring the notebook to a normal temperature if it's too hot or cold. If the operating time is extremely short, replace the battery if necessary. Use the mains adapter as frequently as possible. Slightly darken the screen using the key combination for decreasing screen brightness.
  • T
    Tracy PerezAug 26, 2025
    How to fix wireless connection on Fujitsu LIFEBOOK T939 Laptop?
    • R
      Robert ChandlerAug 26, 2025
      If the wireless connection to a network does not work on your Fujitsu Laptop, ensure the wireless component is switched on. Check whether the wireless connection is switched on via the software. Further information on using the wireless component can be found in the help files.
  • T
    taylor06Aug 27, 2025
    What to do if Fujitsu Laptop keyboard types only numerals?
    • K
      Kimberly GordonAug 28, 2025
      If certain characters are entered on the keyboard of your Fujitsu Laptop and only numerals are written, press the Num key.
  • A
    ashleyalexanderAug 30, 2025
    Why does my Fujitsu LIFEBOOK T939 Laptop keep stopping?
    • D
      Dana MercadoAug 30, 2025
      If your Fujitsu Laptop stops working, first, ensure it is not in energy-saving mode and leave energy saving mode. If an application is causing the issue, close the application or restart the notebook. Also, check if the battery is dead and charge it, insert a charged battery, or connect the mains adapter.
  • A
    Andrew ArellanoSep 5, 2025
    How to troubleshoot printer that does not print from Fujitsu Laptop?
    • J
      Joseph BauerSep 5, 2025
      If the printer does not print from your Fujitsu Laptop, ensure the printer is switched on and ready (refer to the printer documentation). Check that the data cable connecting the notebook to the printer is properly connected. Verify that the correct printer driver is loaded (refer to the printer documentation).
  • C
    Chelsea WilliamsSep 7, 2025
    How to correct date or time on Fujitsu LIFEBOOK T939?
    • A
      Andrew JordanSep 8, 2025
      To correct an incorrect date or time on your Fujitsu Laptop, you can set the date and time in the main menu using the BIOS-Setup-Utility. Alternatively, contact your sales outlet or our Hotline/Service Desk.
  • K
    Kenneth ClarkSep 10, 2025
    What to do if SmartCard reader is not recognised on Fujitsu LIFEBOOK T939 Laptop?
    • A
      Aaron MillerSep 12, 2025
      Check if you inserted your SmartCard into the SmartCard reader correctly. Check whether the SmartCard you are using is supported. Your SmartCard must comply with the ISO standard 7816-1, -2, -3 and -4.
  • T
    Travis AllenSep 13, 2025
    What to do if previous boot incomplete on Fujitsu Laptop?
    • L
      Lisa FitzgeraldSep 13, 2025
      Press the F1 function key when prompted to do so.

Summary

Fujitsu Contact Information

Notational conventions

Explains symbols and text formatting used in the manual.

Important notes

Safety instructions

Provides essential safety information and warnings for notebook use.

Energy saving

Tips for reducing power consumption and extending battery life.

Traveling with your notebook

Guidelines for safe travel with the notebook, including packing and country considerations.

Transporting the notebook

Recommendations for safely transporting the notebook to prevent damage.

Cleaning the notebook

Proper methods and precautions for cleaning the notebook's exterior and screen.

First-time setup of your device

Unpacking and checking the device

Steps for unpacking the device and checking for any shipping damage.

Choose a location

Guidance on selecting a suitable and safe location for setting up the notebook.

Connecting the AC adapter

Instructions on how to connect the AC adapter for power.

Switching on the device for the first time

Steps to power on the notebook for the initial setup process.

Working with the notebook

Status indicators

Explains the various status lights and their meanings on the notebook.

Switching the notebook on

Instructions for powering on the notebook.

From notebook to Tablet PC

Instructions for converting the notebook into a tablet.

From Tablet PC to notebook

Instructions for converting the notebook back from tablet to notebook mode.

Switching off the notebook

Steps for properly shutting down the notebook.

LCD screen

Details about the LCD screen, including background lighting and brightness.

Using your fingers

Instructions for using finger touch input on the screen.

Using the stylus

Instructions for using the stylus for navigation and input.

Touchpad and touchpad buttons

Explanation of the touchpad and its buttons for cursor control and selection.

Hot keys and function keys

Explanation of special keys and their functions.

Rechargeable battery

Information about the notebook's battery life and care.

Removing and installing the battery

Step-by-step guide for removing and installing the notebook battery.

Inserting a SIM card

Step-by-step guide for inserting a SIM card.

Ethernet and LAN

Instructions for connecting to a wired network via Ethernet.

Your USB Type-C dock (optional)

Information about the optional USB Type-C docking station.

Connecting the notebook to the dock

Steps to connect the notebook to the USB Type-C dock.

Security functions

Brief overview of the security functions

A summary of the notebook's security features and their purpose.

Configuring the palm vein sensor (configuration dependent)

How to set up and use the biometric palm vein sensor for security.

Configuring password protection in BIOS Setup Utility

How to set up password protection for the BIOS Setup Utility.

Password protection for booting the operating system

How to prevent unauthorized boot-up of the OS.

Trusted Platform Module - TPM

Information and setup for the Trusted Platform Module (TPM) for enhanced security.

Connecting external devices

Connecting an external monitor

Instructions for connecting external monitors via VGA or DisplayPort.

Connecting USB devices

How to connect various external devices using USB ports.

USB port with charging function (USB Type-C)

Using the USB Type-C port for charging devices or power supply.

How to remove USB devices correctly

Safe procedures for disconnecting USB devices to prevent data loss.

Removing and installing components during servicing

Notes on installing and removing boards and components

Important notes and safety precautions for handling internal components.

Removing and installing memory expansion

Guide for adding or replacing RAM modules.

Remove the cover

Instructions on how to remove the notebook's bottom cover.

Installing and removing an M.2 module

Guide for installing or removing M.2 storage devices.

Settings in BIOS Setup Utility

Starting the BIOS Setup Utility

How to access the BIOS Setup Utility during system startup.

BIOS Setup Utility operation

General instructions and navigation within the BIOS Setup Utility.

Exiting BIOS Setup Utility

Options for saving or discarding changes and exiting BIOS Setup.

Troubleshooting and tips

Help if problems occur

General advice on what to do when encountering computer problems.

In the event you need to recover your system

Guidance on system recovery and restoring the factory image.

The notebook’s date or time is incorrect

Troubleshooting steps for incorrect system date and time settings.

Battery indicator does not illuminate

Solutions for when the battery status indicator is not working.

The notebook’s LCD screen remains blank

Troubleshooting steps if the notebook's screen remains blank.

The external monitor remains blank

Troubleshooting steps for an external monitor not displaying an image.

The notebook does not start after switching it on

Solutions for when the notebook fails to power on.

The notebook stops working

Steps to take if the notebook freezes or becomes unresponsive.

The wireless connection to a network does not work

Solutions for problems with Wi-Fi network connectivity.

The battery discharges too quickly

Reasons and fixes for rapid battery drain.

Smart Card reader is not recognized

Troubleshooting steps if the Smart Card reader is not detected.

Error messages on the screen

Information on troubleshooting common error messages displayed on screen.

Technical data

Notebook

Technical specifications for the notebook hardware components.

WLAN specifications

Technical details regarding the wireless LAN card and its performance.

USB Type-C dock (optional)

Technical specifications for the optional USB Type-C docking station.

AC adapter for use with notebook and USB Type-C dock

Technical data for the notebook's AC adapter.

Manufacturer’s notes

Disposal and recycling

Information on how to properly dispose of and recycle the notebook and its components.

UL Notice

Safety instructions and compliance for UL-listed adapters.

ENERGY STAR Compliance

Information on the notebook's energy efficiency compliance.

FCC and IC Regulatory Information

Regulatory Notes and Statements

General regulatory statements concerning wireless LAN usage.

FCC Interference Statement

FCC statement on potential radio or television interference.

FCC Radio Frequency Exposure statement

FCC statement on radio frequency exposure limits.

Export restrictions

Information regarding export restrictions for products with encryption.

Canadian Notice

Specific notices for Canadian users regarding wireless band usage.

Appendix

Before Using the Optional Wireless LAN

Preparation and setup instructions for the optional wireless LAN device.

Wireless LAN Modes Using this Device

Explains different wireless network modes like Ad Hoc and Infrastructure.

Deactivating;Disconnecting the WLAN Device

How to turn off or disconnect the wireless LAN adapter.

Configuring the Wireless LAN

Steps for configuring the wireless LAN connection.

Troubleshooting the WLAN

Common problems and solutions for wireless LAN connectivity.

Using the Bluetooth Device

Instructions for enabling and using the Bluetooth device.

4 G Sierra Wireless AirPrime EM7455 B Regulatory and Safety Information

Regulatory and safety info for the 4G WWAN module.

Image Backup and Recovery Procedures

Steps for backing up system images and creating recovery media.

Creating a recovery drive

How to create a bootable recovery drive for system repair.

Recovery options in Windows 10

Overview of Windows 10 recovery options like system restore and reset.

Downloading driver updates

How to download and install the latest drivers and software updates.

Fujitsu LIFEBOOK T939 Specifications

General IconGeneral
Display Size13.3 inches
Display Resolution1920 x 1080 pixels
Operating SystemWindows 10 Pro
TouchscreenYes
Display TypeIPS LCD
ProcessorIntel Core i5 or i7
StorageUp to 1TB SSD (varies by model)
GraphicsIntel UHD Graphics
WeightApprox. 1.4 kg
Battery LifeUp to 10 hours
PortsHDMI
WirelessBluetooth 5.0
SecurityFingerprint reader

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