Lenovo B575e- User Manual

Lenovo B575e

Lenovo B575e– User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – under Appendix A “Notices” on page 93.
  • Page 3 – Contents; iii
  • Page 4 – ii
  • Page 5 – About this manual; Machine; Use this manual to troubleshoot problems.
  • Page 6 – iv
  • Page 7 – Chapter 1. Safety information; General safety
  • Page 8 – Electrical safety; exposed
  • Page 10 – Grounding requirements; DANGER
  • Page 25 – Laser compliance statement (multilingual translations)
  • Page 33 – Chapter 2. Important service information; Strategy for replacing FRUs; Before replacing parts:
  • Page 34 – For products shipped after June 2006; Current or original part
  • Page 35 – Chapter 3. General checkout; “What to do first” on page 29; Only certified trained personnel should service the computer.; Replace a FRU only with another FRU of the correct model.; Be careful not to replace a nondefective FRU.; What to do first; The following are not covered under warranty:
  • Page 36 – Pin
  • Page 37 – Noise from the ac power adapter does not always indicate a defect.; Checking operational charging; taskbar; Terminal; The resistance must be 4 to 30 K Ω.
  • Page 39 – Chapter 4. Related service information; “Recovering the computer settings” on page 33; Recovering the computer settings; Restoring factory contents using the Product Recovery program; Passwords
  • Page 40 – To end screen blank mode and resume normal operation, press any key.; Sleep mode; before taking any action to reenter operation mode.; Hibernation mode; In hibernation mode, the following occurs:
  • Page 41 – • If the timer conditions are satisfied in suspend mode.
  • Page 43 – Specifications; Start
  • Page 44 – • Integrated WiMAX; Status indicators; Indicator
  • Page 45 – Fn key combinations; Key combination
  • Page 47 – Chapter 6. FRU replacement notices; Screw notices; Do the following when you service the computer:; Plastic to plastic; If you have a torque screwdriver, refer to the; Torque; column in the screw information table for each step.
  • Page 49 – Chapter 7. Removing and replacing a FRU; the risk of damaging parts.
  • Page 50 – Removal steps of bottom slot cover; Loosen the screws
  • Page 51 – handling can cause damage and permanent loss of data.; Removal steps of hard disk drive assembly; Remove the screw; Step; Pull the tab in the direction shown by the arrow
  • Page 52 – Removal steps of hard disk drive bracket; Remove the screws; Removal steps of the optical drive
  • Page 54 – Removal steps of memory modules; , and then unplug the DIMM in the direction shown by the arrow; 060 PCI Express Mini Card for wireless LAN
  • Page 55 – Removal steps of PCI Express Mini Card for wireless LAN; . Then remove the screw
  • Page 56 – Removal steps of backup battery
  • Page 58 – Removal steps of keyboard; Push hard in the direction shown by the arrows
  • Page 59 – The keyboard will open up slightly
  • Page 61 – Removal steps of keyboard bezel; Remove screws
  • Page 64 – 100 LED board and power board; “1060 PCI Express Mini Card for wireless LAN” on page 48; Removal steps of LED board; Peel off the mylar tape; Removal steps of power board
  • Page 65 – Removal steps of microphone assembly; Peel off the tapes that secure the microphone assembly
  • Page 66 – Removal steps of I/O board; Make sure that the cable is attached firmly to the system board.
  • Page 68 – Removal steps of RJ45 Ethernet board
  • Page 69 – Remove the RJ45 Ethernet board; Important notices for handling the system board:
  • Page 70 – Removal steps of system board; Make sure that all the connectors are attached firmly.
  • Page 72 – Removal steps of LCD unit
  • Page 74 – Removal steps of thermal fan assembly; Detach the connector in the direction shown by the arrow
  • Page 76 – Removal steps of speaker assembly; 170 DC-in sub card and base cover
  • Page 77 – Removal steps of DC-in sub card
  • Page 78 – Applying labels to the base cover; If the Windows Certificate of Authentication label (COA)
  • Page 79 – Removal steps of LCD front bezel; Remove the LCD front bezel in the direction shown by the arrows
  • Page 80 – Removal steps of integrated camera; The integrated camera is stuck on the top center of the LCD cover.
  • Page 81 – Removal steps of LCD panel and hinges; Then lift the LCD panel in the direction shown by the arrow; Make sure that the connector is attached firmly.
  • Page 82 – Removal steps of LCD cable; Peel off the adhesive tape and detach the connector.; Removal steps of antenna assembly; Detach the antennas in the direction shown by the arrows
  • Page 85 – Front view; and
  • Page 86 – Bottom view
  • Page 87 – Chapter 9. Parts list
  • Page 88 – Overall
  • Page 90 – LCD FRUs
  • Page 91 – FRU; Keyboard; Language
  • Page 94 – Miscellaneous parts; ac power adapters; Power cords; Country or region
  • Page 100 – Electronic emissions notices; User Guide; Trademarks; Windows is a trademark of the Microsoft group of companies.
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Hardware Maintenance Manual

Lenovo B575e

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Summary

Page 2 - under Appendix A “Notices” on page 93.

Note: Before using this information and the product it supports, be sure to read the general information under Appendix A “Notices” on page 93. First Edition (July 2012) © Copyright Lenovo 2012. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Admini...

Page 3 - Contents; iii

Contents About this manual. . . . . . . . . . . iii Chapter 1. Safety information . . . . . . 1 General safety . . . . . . . . . . . . . . . . 1 Electrical safety . . . . . . . . . . . . . . . 2 Safety inspection guide . . . . . . . . . . . . 3 Handling devices that are sensitive to electrostaticdis...

Page 4 - ii

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