Lenovo B575 manual M2 × 2.5, flat-head, nylokcoated Black Kgfcm

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Lenovo B575 Hardware Maintenance Manual

Figure 16. Removal steps of LCD panel, LCD cable and hinges (continued)

Remove four screws dand remove the hinges in the direction shown by arrow

e.

4

5

4

4

5

4

Step	Screw (quantity)	Color	Torque
d	M2 × 2.5, flat-head, nylokcoated (4)	Black	1.5 kgfcm

60

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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 firstChecking the AC adapter Power system checkoutChecking operational charging Checking the battery pack Related service information Restoring the factory contents by using OneKey RecoveryPower-on password PasswordsSupervisor password Screen blank mode Power managementSleep standby mode Hibernation mode Specifications Feature DescriptionWlan Status indicators Indicator MeaningOff Blinking whiteFlashing 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