Lenovo B550 Notebook- User Manual

Lenovo B550 Notebook

Lenovo B550 Notebook– 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 3 – iii; Contents
  • Page 4 – iv; About this manual
  • Page 5 – Safety information
  • Page 6 – Lenovo B550 Hardware Maintenance Manual; General safety
  • Page 7 – Electrical safety
  • Page 9 – Safety inspection guide
  • Page 10 – Handling devices that are sensitive to electrostatic discharge
  • Page 11 – Safety notices: multilingual translations; Safety notice 1
  • Page 12 – Safety notice 2
  • Page 13 – Safety notice 3
  • Page 14 – Safety notice 4
  • Page 15 – Safety notice 5
  • Page 16 – Safety notice 6; Safety notice 7
  • Page 17 – Safety notice 8
  • Page 18 – Laser compliance statement; CAUTION; Do not open
  • Page 19 – DANGER
  • Page 20 – Important service information; Strategy for replacing FRUs; Before replacing parts:
  • Page 21 – Strategy for replacing a hard disk drive
  • Page 22 – Important information about replacing RoHS compliant FRUs; RoHS, The Restriction of Hazardous Substances in Electrical and
  • Page 23 – General checkout; • Replace an FRU only with another FRU of the correct model.; • Be careful not to replace a nondefective FRU.
  • Page 24 – What to do first; The following are not covered under warranty:
  • Page 25 – Power system checkout; Checking the AC adapter; Checking operational charging
  • Page 26 – Checking the battery pack
  • Page 27 – Related service information; Restoring the factory contents by using OneKey Recovery; Restore of factory default; Restore to factory default; Using recovery discs; Create recovery discs
  • Page 28 – Passwords; Exception; Supervisor password
  • Page 29 – Power management; Screen blank mode; Hibernate when battery becomes low
  • Page 30 – Hibernation mode
  • Page 31 – Specifications
  • Page 33 – Status indicators
  • Page 35 – Fn key combinations
  • Page 36 – FRU replacement notices; Screw notices; Plastic to plastic
  • Page 37 – Removing and replacing an FRU
  • Page 39 – 020 Hard disk drive (HDD) slot cover and HDD; • Do not drop the hard disk drive or apply any physical shock to it.
  • Page 44 – 060 Fan assembly and Heat Sink assembly
  • Page 48 – 080 PCI Express Mini Card for wireless LAN/WAN
  • Page 49 – MAIN; AUX
  • Page 50 – 090 Keyboard cover and power board
  • Page 58 – Remove the LCD unit in the direction shown by arrows
  • Page 63 – Important notices for handling the system board:
  • Page 66 – 140 Bluetooth daughter card, speakers and base cover
  • Page 69 – Note: Applying labels to the base cover
  • Page 74 – 180 Antenna assembly and LCD cover
  • Page 75 – Locations; Front view
  • Page 76 – Bottom and Left-side view
  • Page 77 – Parts list
  • Page 78 – Overall
  • Page 82 – LCD FRUs
  • Page 84 – Keyboard
  • Page 86 – Miscellaneous parts
  • Page 87 – AC adapters
  • Page 88 – Power cords
  • Page 90 – Notices
  • Page 91 – Trademarks
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Lenovo B550

Hardware
Maintenance
Manual

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Summary

Page 3 - iii; Contents

iii Contents About this manual ....................................... iv Safety information ........................................ 1 General safety ................................................ 2 Electrical safety .............................................. 3 Safety inspection guide ..........

Page 4 - iv; About this manual

iv About this manual This manual contains service and reference information for the following Lenovo product: Lenovo B550 Use this manual to troubleshoot problems.The manual is divided into the following sections: The common sections provide general information, guidelines, and safety • information ...

Page 5 - Safety information

1 Safety information Safety information This chapter presents the following safety information that you need to get familiar with before you service a Lenovo B550 computer:• “General safety” on page 2• “Electrical safety” on page 3• “Safety inspection guide” on page 5• “Handling devices that are sen...

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