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
Troubleshooting and tips
The external monitor remains bl
ank
Monitor
Cause Troub leshooting
Monitor is switched off. ► Switch the external monitor on.
Power saving h as been activated (monitor is
blank).
► Press any key to continue.
Brightness is set to dark.
► Adjust the brightness of the
monitor.
Screen output is set to the notebook’s LCD
screen
► Press the key for changing over the screen
output, see "
Hot keys", Page 24.
The external monitor’s AC cable or data cable is
not connecte d properly.
► Switch off the extern al monitor and the
notebook.
► Check whether the AC cable is plugged
properly into the external monitor and into
the power outlet.
► Check whether the data cable is properly
connected to the notebook and the external
monitor (if it is plugged in with a connector).
► Switch on the external monitor and the
notebook.
The external m on
itor is blank or the image is unstable
MonitorMonitor
Cause Troub lesho ot in
g
The wrong exter
nal monitor has been select ed
or the wrong sc
reen resolution has been set for
the applicati
on program.
► Te rminate the a
pplication program under
Windows by pre
ssing
Alt
+
F4
.Ifthe
error persist
s after term inating the program,
use the key for
switching the screen output
(see "
Hot key
s", Page 24), in order to switch
to the LCD scr
een of the notebook. Change
the followi
ng setting:
► Set the screen resolution: Set the screen
resolution as d escribed in the documentation
foryouroperatingsystem.
► Select mon
itor: Select monitor 1 or 2 as
describe
d in the documentation for your
operatin
gsystem.
60 Fujitsu