Owner's manual
Table Of Contents
- About this manual
- Chapter 1. Safety information
- Chapter 2. General checkout
- Chapter 3. Important service information
- Chapter 4. Status indicators
- Chapter 5. Fn key combinations
- Chapter 6. Locations
- Chapter 7. FRU replacement notices
- Chapter 8. Removing or replacing a FRU
- General guidelines
- 1010 Battery pack
- 1020 Bottom slot cover
- 1030 Memory modules
- 1040 Hard disk drive assembly
- 1050 PCI Express Mini Card for wireless LAN
- 1060 mSATA solid-state drive
- 1070 Backup battery
- 1080 Keyboard
- 1090 Keyboard bezel
- 1110 Fingerprint board bracket and fingerprint board with cable
- 1120 Power board
- 1130 Media card reader slot board
- 1140 System board assembly
- 1150 Thermal module assembly
- 1160 Speakers, LCD unit and base cover
- 1170 DC-in connector
- 2010 LCD front bezel
- 2020 Camera and microphone board
- 2030 LCD panel, LCD cable, and hinges
- 2040 Antenna assembly and LCD rear cover
- Appendix A. Notices

•IfyouareinstructedtoreplaceaFRUbutthereplacementdoesnotsolvetheproblem,reinstallthe
originalFRUbeforeyoucontinue.
•Somecomputershavebothaprocessorboardandasystemboard.Ifyouareinstructedtoreplaceeither
theprocessorboardorthesystemboard,butthereplacementdoesnotsolvetheproblem,reinstallthe
originalboard,andthenreplacetheotherone.
•IfanadapteroradeviceconsistsofmorethanoneFRU,anyoftheFRUsmightbethecauseoftheerror.
Beforereplacingtheadapterordevice,removetheFRUsonebyonetoseeifthesymptomschange.Find
andreplaceonlytheFRUthatchangedthesymptoms.
Screwnotices
TheLenovonotebookcomputerusesspecialnylon-coatedscrewsthathavethefollowingcharacteristics:
•Theymaintaintightconnections.
•Theydonoteasilycomeloose,evenwithshockorvibration.
•Theyarehardertotighten.
Dothefollowingwhenyouareservicingthecomputer:
•Keepthescrewkitinyourtoolbag.
•Itisrecommendedthatyouusenewscrews.
•Itisrecommendedthatyouuseeachscrewonlyonce.
•Useatorquescrewdriverifyouhaveone.
Tightenscrewsasfollows:
•Plastictoplastic
Turnanadditionalangleof90degreesafterthescrewheadtouchesthesurfaceoftheplasticpart.
•Logiccardtoplastic
Turnanadditionalangleof180degreesafterthescrewheadtouchesthesurfaceofthelogiccard.
Notes:
•Ensurethatyouusethecorrectscrew.Itisrecommendedthatyouusenewscrewsforreplacements.If
youhaveatorquescrewdriver,firmlytightenallscrewstothetorquespecifiedinthescrewinformation
tableforeachstep.
•Ensurethattorquescrewdriversarecalibratedcorrectlyfollowingcountryspecifications.
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