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
Appendix
Problem Possible Cause Possible Solution
The WLAN device was
deactivated or is disabled
Check if the wireless switch
is turned On. Go to Start >
Control Panel, and doubleclic
k
on Windows Mobility Center.If
the wireless network is off, c
lick
the Turn wireless on button.
The comput er to be connect
ed
is turned off
Check if the computer to be
connected is turned ON.
Incorrectly configured netwo rk
settings
Recheck the configuration of
your network settings.
RF interferen ce from Ac
cess
Points or other wireles
s
networks
The use of identical or
overlapping RF chann el
scan
cause interference wi
th the
operation of the WLAN d
evice.
Change the channel o
f your
Access Point to a cha
nnel
that does not overla
p with the
interfer ing devic
e.
Wireless netw o rk
authentication
has failed
Re-check your Net
work
Authentication,
Encryption,
and Security sett
ings.
Incorrectly con
figured
security setti
ngs such as
an incorrectly
typed WEP
key, a mis-con
figured LEAP
username, or a
nincorrectly
chosen authen
tication method
will cause th
eLANdeviceto
associate bu
t not authenticate
to the wirele
ss network.
Unavailable network connection
(continued)
Incorrect I
P address
configurat
ion
This only ap
plies to netw orks
using stat
ic IP addresses.
Please con
tact your network
administ
rator for the correct
settings
.
80 Fujitsu