Lenovo B575 manual Base cover, speakers and bluetooth card, Step Screw quantity Color Torque

Page 60

Lenovo B575 Hardware Maintenance Manual

1130 Base cover, speakers and bluetooth card

For access, remove these FRUs in order:

•“1010 Battery pack” on page 34

•“1020 Dummy card” on page 35

•“1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover” on page 36

•“1040 Hard disk drive” on page 37

•“1050 Optical drive” on page 38

•“1060 DIMM” on page 39

•“1070 PCI Express Mini Card for wireless LAN/WAN” on page 40

•“1080 Keyboard” on page 42

•“1090 Keyboard bezel” on page 45

•“1100 System board” on page 49

•“1110 LCD unit” on page 52

Figure 14. Removal steps of base cover, speakers and bluetooth card (continued) Remove four screws a, and then remove the speakers in the direction shown by

arrows b.

1

1

2

1

1

2

Step

Screw (quantity)

Color

Torque

a

M2 × 3.5 mm, flat-head, nylok-coated (4)

Black

2.5 kgfcm

Remove the bluetooth card in the direction shown by arrow c.

3

56

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Contents Lenovo B575 Page Contents About this manual Lenovo B575Safety information General safety Electrical safety Lenovo B575 Hardware Maintenance Manual Safety inspection guide Grounding requirements Safety notices multilingual translations Safety noticeLenovo 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 Before replacing parts Strategy for replacing FRUsStrategy for replacing a hard disk drive Important notice for replacing a system boardImportant information about replacing RoHS compliant FRUs Original partGeneral checkout Following are not covered under warranty What to do firstPower system checkout Checking the AC adapterChecking operational charging Checking the battery pack Related service information Restoring the factory contents by using OneKey RecoveryPasswords Power-on passwordSupervisor password Power management Screen blank modeSleep standby mode Hibernation mode Specifications Feature DescriptionWlan Status indicators Indicator MeaningBlinking white OffFlashing white Fn key combinations Key combination DescriptionFRU replacement notices Screw noticesPlastic to plastic Logic card to plasticRemoving and replacing an FRU Battery pack Removal steps of battery packDummy card Removal steps of dummy cardsLoosen five screws a, then remove the compartment cover b Hard disk drive Step Screw quantity Color TorqueOptical drive Removal steps of optical driveDimm Removal steps of DimmPCI Express Mini Card for wireless LAN/WAN Removal steps of PCI Express Mini Card for wireless LAN/WANWhen installing Keyboard Removal steps of keyboardLenovo B575 Lenovo B575 Hardware Maintenance Manual Keyboard bezel Removal steps of keyboard bezelRemove the screw c Lenovo B575 M2 × 3.5 mm, flat-head, nylok-coated Black Kgfcm System board Important notices for handling the system boardRemoval steps of system board Lenovo B575 LCD unit Removal steps of LCD unitRemove the LCD unit in the direction shown by arrows c Fan assembly and Heat Sink assembly Removal steps of fan assembly and heat sink assemblyLenovo B575 Base cover, speakers and bluetooth card Lenovo B575 LCD front bezel Removal steps of LCD front bezelLCD panel, LCD cable and hinges Removal steps of LCD panel, LCD cable and hingesM2 × 2.5, flat-head, nylokcoated Black Kgfcm Lenovo B575 Integrated camera Removal steps of integrated cameraAntenna assembly and LCD cover Removal steps of antenna assembly and LCD coverLocations Front viewRight-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 Parts list-Miscellaneous parts Miscellaneous partsParts list-3-pin AC adapters AC adaptersPower cords Parts list-3-pin 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.
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