Lenovo B50 Bruksanvisning
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Note:
Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformation
under“Notices” on page 83.
First Edition (April 2014)
© Copyright Lenovo 2014. All rights reserved.
LENOVOproducts,data,computersoftware,andserviceshavebeendevelopedexclusivelyatprivate
expenseandaresoldtogovernmentalentitiesascommercialitemsas defined by 48 2.101C.F.R. with
limitedandrestricted andrightstouse,reproduction disclosure.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:Ifproducts, data, computersoftware,orservicesare
deliveredpursuant a GeneralServicesAdministration“GSA”contract, reproduction,use, ordisclo‐
sureis insubjecttorestrictionsset forth ContractNo.GS‐35F 05925.‐
©2014Lenovo

iii
About this manual........................................iv
Safety information.........................................1
Generalsafety ...................................................... 2
Electricalsafety.................................................... 3
Safetyinspectionguide ...................................... 5
Handlingdevicesthataresensitivetoelectro‐
staticdischarge .................................................... 6
Groundingrequirements ................................... 6
Safetynotices:multilingualtranslations.......... 7
Lasercompliancestatement............................. 14
Important service information ...................16
StrategyforreplacingFRUs............................. 16
Strategyforreplacing a harddiskdrive.. 17
Importantnoticeforreplacing a system
board ............................................................. 17
ImportantinformationaboutreplacingRoHS
compliantFRUs ................................................. 18
General checkout........................................19
Whattodofirst.................................................. 20
Powersystemcheckout .................................... 21
CheckingtheACadapter........................... 21
Checkingoperationalcharging................. 21
Checkingthebatterypack ......................... 22
Related service information.......................23
Restoringthefactorycontents usingby Recov‐
eryDiscSet......................................................... 23
Passwords........................................................... 24
Power‐on password .................................... 24
Hard‐diskpassword ................................... 24
Supervisorpassword .................................. 24
Powermanagement .......................................... 25
Screenblankstate........................................ 25
Puttingthecomputerto sleep orshuttingit
down ............................................................. 25
Lenovo B50-30/B50-30 Touch/B50-45/B50-70
27
Specifications ..................................................... 27
Statusindicators ................................................ 29
Fnkeycombinations......................................... 30
Hotkeys............................................................... 30
FRUreplacementnotices.................................. 31
Screwnotices................................................ 31
RemovingandreplacinganFRU.................... 32
1010Batterypack......................................... 33
1020Opticaldrive ....................................... 34
1030Bottomslotcover ................................ 36
1040Harddiskdrive................................... 37
1050DIMM ................................................... 39
1060 PCI Card ExpressMini forwireless
LAN/WAN....................................................40
1070Keyboard..............................................41
1080Keyboardbezel ...................................43
1090Finger print and power board ..........45
1100USBboardand ODD board...............47
1110Ledboard............................................. 48
1120Docking board (on select models) .... 49
1130Systemboard....................................... 50
1140Fanandheatsinkassembly .............. 53
1150Speakersandbatteryboard............... 54
1160LCDunitandbasecover ................... 55
1170LCDfrontbezel................................... 59
1180LCDpanel............................................ 60
1190LCDhinges .......................................... 62
1200Antenna,LCDcable,andintegrated
camera ...........................................................63
Locations ............................................................. 65
Frontview..................................................... 65
Right‐sideview ............................................ 66
Bottomandleft‐sideview ..........................67
Partslist...............................................................68
Overall...........................................................69
LCDFRUs.....................................................73
Keyboard....................................................... 75
Miscellaneousparts..................................... 78
ACadapters.................................................. 79
Screws............................................................79
Powercords..................................................80
Notices .........................................................83
Trademarks.........................................................84
Contents
Produktspecifikationer
Varumärke: | Lenovo |
Kategori: | Laptop |
Modell: | B50 |
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