User Manual
Table Of Contents
- FUJITSU LIFEBOOK U7312 | U7412 | U7512
- Contents
- Innovative technology
- Ports and controls
- Important notes
- First-time setup of your device
- Working with the notebook
- Status indicators
- Switching on the notebook
- Switching off the notebook
- Keyboard
- Touchpad and touchpad buttons
- Touchscreen/LCD screen without touch function (device-dependent)
- WebCam and Infrared Camera
- ePrivacy Filter (optional)
- Rechargeable battery
- Using the power-management features
- Memory cards
- Loudspeakers and microphones
- SIM card (configuration dependent)
- Wireless components: wireless LAN / Bluetooth / LTE / 5G (optional)
- Ethernet and LAN
- Your Port Replicator
- Security functions
- Connecting external devices
- Removing and installing components during servicing
- Settings in BIOS Setup Utility
- Starting the BIOS Setup Utility
- Operating the BIOS Setup Utility
- Exiting BIOS Setup Utility
- Exit Saving Changes - save changes and exit BIOS Setup Utility
- Exit Discarding Changes – Discard changes and exit BIOS Setup Utility
- Load Setup Defaults – Copy Standard Entries
- Discard Changes – Discard changes without exiting the BIOS Setup Utility
- Save Changes - save changes without exiting the BIOS Setup Utility
- Save Changes and Power Off
- Erase Disk
- Troubleshooting and tips
- Help if problems occur
- Recovering drive contents from the Recovery DVD
- Restoring the system under Windows
- 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 is difficult to read
- The external monitor remains blank
- The external monitor is blank or the image is unstable
- The notebook cannot be started
- The notebook stops working
- The printer does not print
- The wireless connection to a network does not work
- SmartCard reader is not recognised.
- SmartCard PIN forgotten
- SmartCard lost
- Error messages on the screen
- Technical data
- Manufacturer’s notes
- Index
Troubleshooting and tips
When certain characters are ent
ered on the
keyboard, only n umerals are written
Cause Troubleshooting
The virtual numeric keypad of y
our device is
activated, see "
Virtual nume
ric keypad", Page 30
► Press the
Num
key.
The notebook’s LCD screen remains blank
LCDscreenLCDscreenistoodark
Cause Troubleshooting
Monitor is sw itched off.
► Press a key or touch the touchpad.
External monitor or te levision set connected. ► Press the key combination to switch the
screen output, see "
Functio n keys and key
combinations", Page 31.
The LCD screen is dif
ficult to read
LCDscreenLCDscreen
Cause Troubleshooting
Reflected glare ► Turn the notebook or alter the tilt of the LCD
screen.
► Increase the brightness of the screen.
The external monitor remains blank
Monitor
Cause Troubleshooting
Monitor is swi
tched off.
► Switch the ext
ernal mon itor on.
Power saving has been activated (monitor is
blank).
► Press any key
to continue.
Brightness is set to dark.
► Adjust the brightness of the monitor.
Screen out
put is set to the notebook’s LCD
screen
► Press the key combination to switch the
screen output, see "
Functio n keys and key
combinations", Page 31.
The external monitor’s power cable or data
cable is n ot connected properly.
► Switch of
f the external monitor and the
noteboo
k.
► Check whether the power cable is plugged
properly into the external monitor and into
the power socket.
► Check w
hether the data cable is properly
conne
cted to the notebook and the external
monit
or (if it is plugged in with a c onnector).
► Switch on the external monitor and the
notebook.
Fujitsu 73