Lenovo THINKPAD L420 User Manual

Contents
Readthisrst..............v
Importantsafetyinformation..........vi
Conditionsthatrequireimmediateaction..vii
Safetyguidelines............vii
Chapter1.ProductOverview......1
Locatingcomputercontrols,connectors,features,
andindicators................1
Frontview................2
Right-sideview..............4
Left-sideview..............5
Bottomview...............7
Rearview................8
Statusindicators.............9
Locatingimportantproductinformation.....11
Machinetypeandmodellabel.......11
FCCIDandICCerticationnumberlabel..11
CerticateofAuthenticitylabel......13
Features.................13
Specications...............14
Operatingenvironment...........15
ThinkVantageTechnologiesandsoftware....16
AccessingapplicationsinWindows7....16
AccessConnections..........17
ActiveProtectionSystem.........18
FingerprintSoftware...........18
LenovoSolutionCenter.........18
LenovoThinkVantageTools........18
LenovoThinkVantageToolbox.......19
MessageCenterPlus..........19
PasswordManager...........19
PowerManager............19
ProductRecovery...........19
PresentationDirector..........20
RescueandRecovery..........20
SimpleTap..............20
SystemUpdate............20
ThinkVantageGPS...........20
ThinkVantageProductivityCenter.....21
Chapter2.Usingyourcomputer...23
Registeryourcomputer...........23
Frequentlyaskedquestions.........23
Specialkeysandbuttons..........25
ThinkVantagebutton..........25
Numerickeypad............25
Functionkeycombinations........27
Volumeandmutebuttons........30
WindowskeyandApplicationkey.....31
UsingtheUltraNavpointingdevice.......32
UsingtheTrackPointpointingdevice....33
Usingthetouchpad...........34
BehavioroftheUltraNavandanexternal
mouse................35
AddingtheUltraNavicontothesystemtray.35
Powermanagement............36
Checkingbatterystatus.........36
Usingtheacpoweradapter........36
Chargingthebattery..........37
Maximizingbatterylife..........37
Managingyourbatterypower.......37
Power-savingmodes..........37
Handlingthebattery...........39
Connectingtothenetwork..........40
Ethernetconnections..........40
Wirelessconnections..........40
Usingaprojectororexternaldisplay......48
Changingdisplaysettings........48
Connectingaprojectororexternaldisplay..49
Settingupapresentation.........53
Usingdualdisplays...........54
Usingacolorprole............55
Usingaudiofeatures............56
Usinganintegratedcamera.........56
Usingopticaldrive.............57
Usingthemediacardreader.........57
InsertinganExpressCard,aSmartcard,ora
FlashMediaCard............58
RemovinganExpressCard,aSmartcard,ora
FlashMediaCard............59
Chapter3.Youandyourcomputer..61
Accessibilityandcomfort..........61
Ergonomicinformation..........61
Adjustingyourcomputertotyou.....62
Accessibilityinformation.........63
FullScreenMagnierfunction.......63
Travelingwithyourcomputer.........64
Traveltips...............64
Travelaccessories...........64
Chapter4.Security..........67
Attachingamechanicallock.........67
Usingpasswords..............67
©CopyrightLenovo2012
i

Lenovo THINKPAD L420 Specifications

General

Bus type	DMI
L3 cache	3 MB
Stepping	J1
Tjunction	100 °C
Processor cores	2
Processor model	i5-2520M
System bus rate	5 GT/s
Processor family	Intel® Core™ i5
Processor series	Intel Core i5-2500 Mobile Series
Processor socket	Socket 988
Processor threads	4
Processor codename	Sandy Bridge
Processor frequency	2.5 GHz
Processor cache type	Smart Cache
Processor lithography	32 nm
Processor manufacturer	Intel
Processor front side bus	- MHz
PCI Express slots version	2.0
Processor boost frequency	3.2 GHz
Processor operating modes	64-bit
ECC supported by processor	No
PCI Express configurations	1x16, 2x8, 1x8+2x4
Thermal Design Power (TDP)	35 W
CPU multiplier (bus/core ratio)	25
Maximum number of PCI Express lanes	16
HDD speed	- RPM
HDD interface	SATA
Optical drive type	DVD-RW
Total storage capacity	320 GB
Number of HDDs installed	1
Display diagonal	14 \
Display resolution	1366 x 768 pixels
Native aspect ratio	16:9
Memory slots	2x SO-DIMM
Internal memory	3 GB
Memory clock speed	1333 MHz
Internal memory type	DDR3-SDRAM
Maximum internal memory	8 GB
Memory layout (slots x size)	1 x 1 + 1 x 2 GB
On-board graphics card	Yes
On-board graphics card ID	0x116
Discrete graphics card model	-
On-board graphics card model	Intel® HD Graphics 3000
On-board graphics card family	Intel® HD Graphics
On-board graphics card base frequency	650 MHz
On-board graphics card dynamic frequency (max)	1300 MHz
Type	PC
Power requirements	100-240V
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Audio system	HD
Speaker power	1.5 W
Pointing device	ThinkPad UltraNav
Cabling technology	10/100/1000Base-T(X)
Networking features	Gigabit Ethernet
Charging port type	DC-in jack
USB 2.0 ports quantity	3
Firewire (IEEE 1394) ports	0
Cable lock slot type	Kensington
Sustainability certificates	ENERGY STAR
Product color	Black
AC adapter power	65 W
Processor code	SR048
Processor ARK ID	52229
Processor package size	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023) mm
Supported instruction sets	AVX
Intel Identity Protection Technology version	1.00

Weight and Dimensions

Depth	232.9 mm
Width	343.9 mm
Weight	2300 g
Height (rear)	36 mm
Height (front)	32 mm