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
Working with the notebook
Display Description
Power-on indicator/Standby
StandbyindicatorPower-onindicator
• The indicator is illuminated: The notebook is switched on.
• The indicator flashe s: The not ebook is in standby mode.
• Indicator is off: The notebook is switch ed off.
Battery charging indicator/
AC connection
The battery charging level
is shown by the rechargeable battery indicator.
• The indicator lights up wh
ite: The rechargeable battery is charged or no
rechargeable battery is i
nserted.
• The indicator light is orange: The AC adapter is connected and the battery
is being charged.
• The indicator is flashin
g orange : The AC adapter is connected but the battery
cannot be charged as the
battery is too hot or too cold for charging. The
charging process is con
tinued as soon as the rechargeable battery has reached
a permissible temper
ature again.
• The indicator is flashing red: A fault has occurred.
• The indicator is not
lit up: The AC adapter is not connected.
BatterystatusindicatorBatterysymbolBatteryindicator
Battery indicator
• The indicator lights up white: The rechargeable battery is charged to between
51% and 100% of its maximum capacity.
• The indicator lig
ht is orange: The rechargeable battery is charged to between
13% and 50% of its
maximum capacity.
• The indicator lights up red: The rechargeable battery is charged to between
0% and 12% of its maximum capacity.
• The indicator
is flashing red: A fault has occurred.
Drive indicat
or
DriveIndicator
The indicator
is illuminated: The hard disk drive is being accessed.
Wireless ind
icator
• The indicat
or is illuminated: The wireless components are switched on.
• Indicator is off: The w ireless components are switch ed off.
F
F Lock indicator
Indicato
r
FLock
The indicator is illuminated: The key combination
Fn
+
F
has been pressed.
Instead of the special functions p rinted on the function keys, the Fn functions can
be executed by pressing the keys directly ( see chapter "
Hot keys", Page 24).
Num Lock indicator
IndicatorNumLock
The indicator is illuminated: The
Num Lock
key has been pressed. The virtual
number keys have been switched on. You can output the characters indicated
on the upper right of the keys.
20 Fujitsu