Lenovo B575e User Manual

Contents
Aboutthismanual...........iii
Chapter1.Safetyinformation......1
Generalsafety................1
Electricalsafety...............2
Safetyinspectionguide............3
Handlingdevicesthataresensitivetoelectrostatic
discharge..................3
Groundingrequirements............4
Safetynotices(multilingualtranslations)......4
Lasercompliancestatement(multilingual
translations)................19
Chapter2.Importantservice
information..............27
StrategyforreplacingFRUs.........27
Strategyforreplacingaharddiskdrive...28
Importantnoticeforreplacingasystem
board................28
ImportantinformationaboutreplacingRoHS
compliantFRUs..............28
Chapter3.Generalcheckout.....29
Whattodorst..............29
Powersystemcheckout...........30
Checkingtheacpoweradapter......30
Checkingoperationalcharging......31
Checkingthebatterypack........31
Chapter4.Relatedservice
information..............33
Recoveringthecomputersettings.......33
Passwords................33
Power-onpassword...........34
Supervisorpassword..........34
Powermanagement............34
Screenblankmode...........34
Sleepmode..............34
Hibernationmode...........35
Chapter5.LenovoB575e.......37
Specications...............37
Statusindicators..............38
Fnkeycombinations............39
Chapter6.FRUreplacement
notices................41
Screwnotices...............41
Chapter7.Removingandreplacinga
FRU..................43
Generalguidelines.............43
1010Batterypack.............44
1020Bottomslotcover...........44
1030Harddiskdrive............45
1040Opticaldrive.............47
1050Memorymodules...........48
1060PCIExpressMiniCardforwirelessLAN..49
1070Backupbattery............50
1080Keyboard..............51
1090Keyboardbezel............54
1100LEDboardandpowerboard.......58
1110Microphoneassembly.........59
1120I/OboardandRJ45Ethernetboard....59
1130Systemboardassembly.........63
1140LCDunit...............65
1150Thermalfanassembly.........67
1160Speakerassembly...........69
1170DC-insubcardandbasecover......70
2010LCDfrontbezel............72
2020Integratedcamera...........74
2030LCDpanel,LCDcable,andhinges....74
2040Antennaassembly...........76
Chapter8.Locations.........79
Frontview................79
Bottomview...............80
Chapter9.Partslist..........81
Overall..................82
LCDFRUs................84
Keyboard.................86
Miscellaneousparts............89
acpoweradapters.............89
Powercords...............89
AppendixA.Notices..........93
Electronicemissionsnotices.........94
Trademarks................94
©CopyrightLenovo2012
i

Lenovo B575e Specifications

General

Processor cache	1 MB
Processor cores	2
Processor model	E2-1800
Processor family	AMD E
Processor frequency	1.7 GHz
Processor cache type	L2
Processor manufacturer	AMD
Motherboard chipset	AMD A70M
Internal memory	4 GB
Internal memory type	DDR3-SDRAM
Maximum internal memory	- GB
HDD speed	5400 RPM
HDD interface	SATA
Storage media	HDD
Optical drive type	DVD-RW
Card reader integrated	Yes
Total storage capacity	500 GB
Number of HDDs installed	1
Display diagonal	15.6 \
Display resolution	1366 x 768 pixels
Native aspect ratio	16:9
Contrast ratio (typical)	10000:1
LightScribe	-
Infrared data port	No
On-board graphics card model	AMD Radeon HD 7340G
On-board graphics card family	AMD Radeon HD 7000
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Networking features	Gigabit Ethernet
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Charging port type	DC-in jack
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
eSATA/USB 2.0 ports quantity	0
Pointing device	Touchpad
Operating system installed	Windows 7 Home Premium
Operating system architecture	64-bit
Form factor	Clamshell
Product color	Black
Battery life (max)	- h

Weight and Dimensions

Weight	2500 g