Lenovo B575 manual Contents

Page 3

Contents

 

About this manual

iv

Safety information

1

General safety

2

Electrical safety

3

Safety inspection guide

5

Handling devices that are sensitive to

 

electrostatic discharge

6

Grounding requirements

6

Safety notices: multilingual translations

7

Laser compliance statement

14

Important service information

16

Strategy for replacing FRUs

16

Strategy for replacing a hard disk drive

17

Important notice for replacing a system

 

board

17

Important information about replacing

 

RoHS compliant FRUs

18

General checkout

19

What to do first

20

Power system checkout

21

Checking the AC adapter

21

Checking operational charging

21

Checking the battery pack

22

Related service information

23

Restoring the factory contents by using

 

OneKey Recovery

23

Restore of factory default

23

Using recovery discs

23

Passwords

24

Power-on password

24

Supervisor password

24

Power management

25

Screen blank mode

25

Sleep (standby) mode

25

Hibernation mode

26

Lenovo B575

27

Specifications

27

Status indicators

29

Fn key combinations

31

FRU replacement notices

32

Screw notices

32

Removing and replacing an FRU

33

1010 Battery pack

34

1020 Dummy card

35

1030 Hard disk drive(HDD)/Memory/Mini

PCI Express Card slot compartment

 

cover

36

1040 Hard disk drive

37

1050 Optical drive

38

1060 DIMM

39

1070 PCI Express Mini Card for wireless

 

LAN/WAN

40

1080 Keyboard

42

1090 Keyboard bezel

45

1100 System board

49

1110 LCD unit

52

1120 Fan assembly and Heat Sink

 

assembly

54

1130 Base cover, speakers and bluetooth

 

card

56

1140 LCD front bezel

58

1150 LCD panel, LCD cable and hinges ...

59

1160 Integrated camera

62

1170 Antenna assembly and LCD cover...

63

Locations

64

Front view

64

Right-side view

65

Bottom and Left-side view

66

Parts list

67

Overall

68

LCD FRUs

72

Keyboard

74

Miscellaneous parts

76

AC adapters

77

Power cords

78

Notices

81

Trademarks

82

iii

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Contents Lenovo B575 Page Contents Lenovo B575 About this manualSafety information General safety Electrical safety Lenovo B575 Hardware Maintenance Manual Safety inspection guide Grounding requirements Safety notice Safety notices multilingual translationsLenovo B575 Hardware Maintenance Manual Safety information Lenovo B575 Hardware Maintenance Manual Safety information Lenovo B575 Hardware Maintenance Manual Safety information Laser compliance statement Safety information Strategy for replacing FRUs Before replacing partsImportant notice for replacing a system board Strategy for replacing a hard disk driveOriginal part Important information about replacing RoHS compliant FRUsGeneral checkout What to do first Following are not covered under warrantyPower system checkout Checking the AC adapterChecking operational charging Checking the battery pack Restoring the factory contents by using OneKey Recovery Related service informationPasswords Power-on passwordSupervisor password Power management Screen blank modeSleep standby mode Hibernation mode Feature Description SpecificationsWlan Indicator Meaning Status indicatorsBlinking white OffFlashing white Key combination Description Fn key combinationsLogic card to plastic FRU replacement noticesScrew notices Plastic to plasticRemoving and replacing an FRU Removal steps of battery pack Battery packRemoval steps of dummy cards Dummy cardLoosen five screws a, then remove the compartment cover b Step Screw quantity Color Torque Hard disk driveRemoval steps of optical drive Optical driveRemoval steps of Dimm DimmRemoval steps of PCI Express Mini Card for wireless LAN/WAN PCI Express Mini Card for wireless LAN/WANWhen installing Removal steps of keyboard KeyboardLenovo B575 Lenovo B575 Hardware Maintenance Manual Removal steps of keyboard bezel Keyboard bezelRemove the screw c Lenovo B575 M2 × 3.5 mm, flat-head, nylok-coated Black Kgfcm Important notices for handling the system board System boardRemoval steps of system board Lenovo B575 Removal steps of LCD unit LCD unitRemove the LCD unit in the direction shown by arrows c Removal steps of fan assembly and heat sink assembly Fan assembly and Heat Sink assemblyLenovo B575 Base cover, speakers and bluetooth card Lenovo B575 Removal steps of LCD front bezel LCD front bezelRemoval steps of LCD panel, LCD cable and hinges LCD panel, LCD cable and hingesM2 × 2.5, flat-head, nylokcoated Black Kgfcm Lenovo B575 Removal steps of integrated camera Integrated cameraRemoval steps of antenna assembly and LCD cover Antenna assembly and LCD coverFront view LocationsRight-side view Bottom and Left-side view Parts list Overall Parts list-Overall LA57 Lower Case UMA NEW W/SPEAKER/DC-IN LA57 HDD Door Assy LCD FRUs 15.6-in. HD TFT Keyboard Lenovo B575 Miscellaneous parts Parts list-Miscellaneous partsAC adapters Parts list-3-pin AC adaptersParts list-3-pin power cords Power cordsLenovo B575 Lenovo B575 Hardware Maintenance Manual Page Trademarks

B575 specifications

The Lenovo B575 is a notable entry in the realm of budget-friendly laptops, catering to users who seek a reliable and functional machine without breaking the bank. This device embodies the essential features and technologies that are ideal for everyday computing tasks, making it a popular choice for students, professionals, and casual users alike.

One of the standout features of the Lenovo B575 is its ergonomic design. The laptop sports a sleek and compact chassis, which makes it highly portable and easy to carry. Weighing in at just around 5.5 pounds, it is an adequate companion for individuals who are always on the go. Additionally, the 15.6-inch display provides ample screen real estate for various tasks, with a resolution that delivers clear and vibrant visuals, enhancing the overall viewing experience.

Under the hood, the Lenovo B575 is powered by AMD processors, commonly featuring the AMD E-Series or A-Series APUs. These processors are known for their balance of performance and energy efficiency, allowing users to enjoy seamless multitasking capabilities without excessive power consumption. Whether it’s browsing the web, streaming media, or working on documents, the B575 handles these tasks effectively.

To complement its processing power, the B575 generally comes with a standard configuration of 4GB of RAM, which can be upgraded depending on the user's needs. This memory configuration ensures smooth performance during typical usage scenarios. The device also offers a variety of storage options, including traditional hard drives, which provide ample space for files and applications.

Connectivity is another strong point of the Lenovo B575. It features multiple USB ports, an HDMI output for connecting to external displays, and a built-in card reader. The inclusion of Wi-Fi and Ethernet capabilities ensures that users can stay connected to the internet, whether at home, in the office, or on the move.

The B575's battery life is commendable for a budget laptop, allowing for several hours of usage on a single charge. This longevity is particularly appealing for students or professionals who may not have immediate access to power outlets.

In summary, the Lenovo B575 offers a robust set of features and capabilities that cater to everyday computing demands. Its balance of performance, portability, and functionality makes it an attractive option for users seeking an affordable laptop that meets their essential needs while providing a satisfying user experience.