Fujitsu LIFEBOOK U904 User Manual

Troubleshooting and tips
Using the reset key
If the device stops responding and no longer reacts to the O N/O FF button,
use the reset key to shut down the device.
► Disconnect the device from the AC adapter.
► Push a pen o r a piece of wire (such as a paper clip) firmly into the opening
of the reset key to shut down the system.
► Connect the AC adapter to the de vice ag ain.
► Switch the device on again.
Recovering your Factor
yImage
Harddisk:Operating system,recoveringFactoryImage
In the event you need to restore your original Factory Image refer to the step s
in "Ap pendix: Miscellaneous Information".
The notebook’s date or time is incorrect
SummertimeTime,dayligh t savingsTimeno tcorrectTimenotc orrectIncorre ctda te/ti meDateisincorrectBufferbattery,load
Cause Troubleshooting
Time a nd date are incorrect. ► With the BIOS-Setup-Utility, you can set the
date and time in the main menu.
If the time and date are still set incorrectly after
switching on the notebook.
► Please contact your sales outlet or our
Hotline/Service Desk.
When certain characters are entered on the
keyboard, only numerals are written
Abeep sou nd
severy second
Cause Troubleshooting
The virtual numeric keypad of your device is
activated, see "
Virtual n umeric keypad", Page 28
► Press the
Num
key.
The notebook’s L CD screen remains blank
LCDscreenLCDscreenistoodark
Cause Troubleshooting
Monitor is switched off.
► Press a key or touch the touchpad.
External monitor or television set connecte d. ► Press the key combination to switch the
screen output, see "
Key combinations",
Page 28.
56 Fujitsu

Fujitsu LIFEBOOK U904 Specifications

General

Form factor	Clamshell
Product type	Laptop
Product color	Black, Silver
Housing material	Aluminium, Magnesium
Market positioning	Business
Bus type	DMI2
Stepping	D0
Tjunction	100 °C
Processor cache	4 MB
Processor cores	2
Processor model	i7-4600U
System bus rate	5 GT/s
Processor family	Intel® Core™ i7
Processor series	Intel Core i7-4600 Mobile series
Processor socket	BGA 1168
Processor threads	4
Processor codename	Haswell
Processor frequency	2.1 GHz
Processor cache type	Smart Cache
Processor lithography	22 nm
Processor manufacturer	Intel
Processor front side bus	- MHz
PCI Express slots version	2.0
Processor boost frequency	3.3 GHz
Processor operating modes	64-bit
ECC supported by processor	No
PCI Express configurations	4x1, 2x4
Thermal Design Power (TDP)	15 W
Maximum number of PCI Express lanes	12
Motherboard chipset	-
Memory slots	1x SO-DIMM
Internal memory	10 GB
Memory clock speed	1600 MHz
Memory form factor	SO-DIMM
Internal memory type	DDR3L-SDRAM
Memory layout (slots x size)	1 x 8 GB
SSD capacity	The Solid State Drive's storage capacity in Gigabytes.
SSD interface	SATA III
Storage media	SSD
Card reader integrated	Yes
Total storage capacity	256 GB
Compatible memory cards	SD, SDHC, SDXC
Number of SSDs installed	1
Display diagonal	14 \
Display resolution	3200 x 1800 pixels
Native aspect ratio	16:9
Contrast ratio (typical)	1000:1
On-board graphics card ID	0xA16
Discrete graphics card model	Not available
On-board graphics card model	Intel® HD Graphics 4400
On-board graphics card family	Intel® HD Graphics
Maximum on-board graphics card memory	1.74 GB
On-board graphics card OpenGL version	4.3
On-board graphics card base frequency	200 MHz
On-board graphics card DirectX version	11.2/12
On-board graphics card dynamic frequency (max)	1100 MHz
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Charging port type	DC-in jack
USB 2.0 ports quantity	0
Pointing device	Touchpad
Keyboard number of keys	85
Processor code	SR1EA
Processor ARK ID	76616
Intel TSX-NI version	0.00
Processor package size	40 x 24 x 1.5 mm
Intel ME Firmware Version	9.5
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2
Intel Smart Connect Technology version	1.00
Battery capacity	25 Wh
Battery life (max)	10 h
Battery recharge time	2 h
AC adapter frequency	50 - 60 Hz
AC adapter output current	3.42 A
AC adapter output voltage	19 V
Cable lock slot type	Kensington
Password protection type	BIOS, HDD, Supervisor, User
Operating temperature (T-T)	5 - 35 °C
Operating relative humidity (H-H)	20 - 85 %
Sustainability certificates	RoHS, ENERGY STAR

Weight and Dimensions

Depth	229.9 mm
Width	329.9 mm
Height	15.5 mm
Weight	- g