Használati útmutató Lenovo Essential B40-45
Olvassa el alább 📖 a magyar nyelvű használati útmutatót Lenovo Essential B40-45 (85 oldal) a laptop kategóriában. Ezt az útmutatót 17 ember találta hasznosnak és 9 felhasználó értékelte átlagosan 4.9 csillagra
Oldal 1/85


Note:
Beforeusingthisinformationandtheproductitsupports,besuretoreadthegeneralinformation
under“Notices” on page 80.
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 B40-30/B40-45/B40-70...................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, power board and led
board..............................................................45
1100USBboard............................................47
1110Systemboard....................................... 48
1120Fanandheatsinkassembly .............. 50
1130Speakers ............................................... 51
1140LCDunitandbasecover ................... 52
1150LCDfrontbezel................................... 56
1160LCDpanel............................................ 57
1170LCDhinges .......................................... 59
1180Antenna,LCDcable,andintegrated
camera ...........................................................60
Locations ............................................................. 62
Frontview..................................................... 62
Right‐sideview ............................................ 63
Bottomandleft‐sideview ..........................64
Partslist...............................................................65
Overall...........................................................66
LCDFRUs.....................................................70
Keyboard....................................................... 72
Miscellaneousparts..................................... 75
ACadapters.................................................. 76
Screws............................................................76
Powercords..................................................77
Notices .........................................................80
Trademarks.........................................................81
Contents
Termékspecifikációk
Márka: | Lenovo |
Kategória: | laptop |
Modell: | Essential B40-45 |
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