Operating Manual
Table Of Contents
- FUJITSU LIFEBOOK U938
- Contents
- Declarations of conformity
- Fujitsu Contact Information
- Ports and controls
- Important notes
- First-time setup of your device
- Working with the notebook
- Status indicators
- Switching the notebook on
- Switching the notebook off
- Keyboard
- Touchpad and touchpad buttons
- Touchscreen/LCD screen without touch function (device-dependent)
- Webcam
- Rechargeable battery
- Using the energy saving functions
- Memory cards
- Speaker and microphones
- Wireless€LAN/Bluetooth wireless components
- Ethernet and LAN
- Your USB Type-C dock (optional)
- Security functions
- Connecting external devices
- Removing and installing components during servicing
- Settings in BIOS Setup Utility
- Starting the BIOS Setup Utility
- BIOS Setup Utility operation
- Exiting BIOS Setup Utility
- Exit Saving Changes - save changes and exit BIOS Setup Utility
- Exit Discarding Changes - Reject changes and exit BIOS Setup Utility
- Load Setup Defaults – load default values
- Discard Changes - Discard Changes without exiting BIOS Setup Utility
- Save Changes - save changes without exiting the BIOS Setup Utility
- Save changes and power off
- Troubleshooting and tips
- Help if problems occur
- Reset by switching the battery off
- If you need to restore your system
- The notebook's date or time is incorrect
- When certain characters are entered on the keyboard, only numerals are written
- The notebook’s LCD screen remains blank
- The LCD screen of the notebook is difficult to read
- The external monitor remains blank
- The external monitor is blank or the image is unstable
- The notebook does not start after switching it on
- The notebook stops working
- The printer does not print
- The wireless connection to a network does not work
- Smart Card reader is not recognized
- Smart Card PIN forgotten
- Smart Card lost
- Error messages on the screen
- Technical data
- Manufacturer’s notes
- Appendix
- Index
- Blank Page
Important notes
Transporting the notebook
Protect the notebook from severe shocks and extreme temperatures
(e.g. direct s unlight in a car).
► Switch the notebook off.
► Unplug the A C plug of the AC adapter and all external devices from the power outlets.
► Disconnect the AC adapter cable and the data cables for all external devices.
► Close the LCD screen.
► To protect against damaging jolts and bumps, use a notebook carrying
case to transport your notebook.
Cleaning the notebook
Do not clean any interior parts yourself; leave this job to a service technician.
Only use cleaning products designed for computers. Normal household
cleaners and polishes can damage the markings on the keyboard and the
device, the paintwork or the notebook itself.
Ensure that no liquid enters the notebook.
The L C D scree n very sensitive to scratches. Only clean the disp lay
surface with a very soft, slightly damp cloth.
► Switch the notebook off.
CleaningInstru ction
s
NotebookKeyboardCleaningthe
touchpad
LCDscreenCrystalView
screen
► To prevent the device b eing switched on unintentionally, remove the AC plug
of the AC adapter from the power outlet.
The casing surfaces may be cleaned with a dry cloth. If particularly dirty, use a cloth w hich
has been moistened in mild domestic detergent and then carefully wrung out.
Use disinfectant wipes to clean the keyboard and the touchpad, if present.
Ensure tha t no liquid enters the device!
Fujitsu 15