Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/ Z50-75Hardware Maintenance Manual
6G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualHandling devices that are sensitive to electrostatic dischargeAnycomputerpart
7Safety informationSafety notices: multilingual translationsThesafetynoticesinthissectionare provided inEnglish,French, German,Hebrew,Ita
8G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualSafety notice 2 DANGERSome standby batteries contain a small amount of nickel
9Safety informationSafety notice 3 DANGERThe battery pack contains small amounts of nickel. Do not disassemble it, throw it into re or water, or shor
10G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualSafety notice 4 DANGERThe lithium battery can cause a fire, an explosion, or
11Safety informationSafety notice 5If the LCD breaks and the uid from inside the LCD gets into your eyes or on your hands, immediately wash the affec
12G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualSafety notice 6 DANGERTo avoid shock, do not remove the plastic cover that pro
13Safety informationSafety notice 8 DANGERBefore removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the b
14G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualLaser compliance statementSomemodelsofLenovocomputerareequippedfromthe
15Safety informationACD-ROMdrive,aDVD-ROMdrive,oranyotherstoragedeviceinstalledmaycontainanembeddedClass3AorClass3Blaserdiode.N
Notes:•Before using this information and the product it supports, be sure to read the general information under “Notices” on page 88.•This manual ap
16G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualImportant service informationThischapterpresentsthefollowingimportantser
17Important service informationUsethefollowingstrategytopreventunnecessaryexpenseforreplacingandservicingFRUs:• Ifyouareinstructedto
18G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualImportant information about replacing RoHS compliant FRUsRoHS, The Restriction
19General checkout General checkout Thischapterpresentsthefollowinginformation:• “Whattodorst”onpage20• “Powersystemcheckout”onpage
20G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualWhat to do rstWhenyoudoreturnanFRU,youmustincludethefollowinginfor
21General checkout Power system checkoutToverifyasymptom,followthestepsbelow:1. Turnoffthecomputer.2. Removethebatterypack.3. Connect
22G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualPerformoperationalcharging.Ifthebatterystatusindicatororicondoesnot
23Related service informationRelated service informationThischapterpresentsthefollowinginformation:• “RestoringthefactorycontentsbyusingOn
24G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualPasswordsAsmanyasthreepasswordsmay be neededforany Lenovo computer:
25Related service informationPower managementNote:PowermanagementmodesarenotsupportedforAPMoperatingsystem.Toreducepowerconsumption,the
iiiContentsAbout this manual ... ivSafety information ... 1Generalsafety...
26G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualLenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Thischapterpresentsthefol
27Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Table 1. Specications (continued)Feature DescriptionBusarchitecture(continued)•G50-45: GPU:GP
28G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualTable 1. Specications (continued)Feature DescriptionGraphicmemorychip• In
29Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Status indicatorsThesystemstatusindicatorsbelowshowthecomputerstatus:Table 2. Status indi
30G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualHotkeysYoucanaccesscertainsystemsettingsquicklybypressingtheappropri
31Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75FRU replacement noticesThissectionpresentsnoticesrelated to removingand replacingparts.Re
32G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualRemoving and replacing an FRUThissectionpresentsexplodedgureswiththein
33Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-751010 Battery pack DANGEROnly use the battery specied in the parts list for your computer. Any othe
34G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual1020 Base coverForaccess,removethisFRU:• “1010Batterypack”onpage33Fi
35Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Note: Applying labels to the base coverThenewbasecoverFRUisshippedwitha kit containing l
ivAbout this manualThismanualcontainsserviceandreferenceinformationforthefollowingLenovoproduct:Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/
36G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual1030 Optical driveForaccess,removethisFRU:• “1010Batterypack”onpage3
37Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-751040 Hard disk driveForaccess,removetheseFRUsinorder:• “1010Batterypack”onpage33• “102
38G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualFigure 4. Removal steps of hard disk drive (continued)Removethescrews3and
39Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-751050 PCI Express Mini Card for wireless LANForaccess,removetheseFRUsinorder:• “1010Battery
40G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualFigure 5. Removal steps of PCI Express Mini Card for wireless LAN (continued)
41Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-751060 DIMMForaccess,removetheseFRUsinorder:• “1010Batterypack”onpage33• “1020Basecov
42G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual1070 Fan assemblyForaccess,removetheseFRUsinorder:• “1010Batterypack
43Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Figure 7. Removal steps of fan assembly (continued) Removethefan3.
44G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual1080 KeyboardForaccess,removetheseFRUsinorder:• “1010Batterypack”on
45Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Figure 8. Removal steps of keyboard (continued) Insertthescrewdriverintothebottomhole2.Then
1Safety informationSafety informationThischapterpresentsthefollowingsafetyinformationthatyouneedtogetfamiliarwithbeforeyouserviceaLe
46G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualFigure 8. Removal steps of keyboard (continued) Liftthekeyboardslightly4.
47Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-751090 Keyboard bezelForaccess,removetheseFRUsinorder:• “1010Batterypack”onpage33• “1020
48G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualFigure 9. Removal steps of keyboard bezel (continued)Disconnectthetouchpadc
49Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Figure 9. Removal steps of keyboard bezel (continued)Removethescrew5.Step Screw (quantity) Colo
50G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual1100 ODD board and USB&audio boardForaccess,removetheseFRUsinorder:•
51Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Figure 10. Removal steps of ODD board and USB&audio board (continued)RemovetheODDboard4.
52G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualFigure 10. Removal steps of ODD board and USB&audio board (continued)Detac
53Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Figure 10. Removal steps of ODD board and USB&audio board (continued)RemovetheUSB&audiob
54G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual1110 System boardImportant notices for handling the system board:When handling
55Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Figure 11. Removal steps of system board (continued)Unplugthespeakerconnectorinthedirections
2G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualGeneral safetyFollowtheserulesbelowtoensuregeneralsafety:• Observeago
56G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualFigure 11. Removal steps of system board (continued)Removethesystemboardin
57Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-751120 Heat sink assemblyForaccess,removetheseFRUsinorder:• “1010Batterypack”onpage33•
58G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual1130 Speakers and DC-in cableForaccess,removetheseFRUsinorder:• “1010B
59Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Figure 13. Removal steps of speakers and DC-in cable (continued)RemovetheDC-incableinthedirec
60G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual1140 LCD unitForaccess,removetheseFRUsinorder:• “1010Batterypack”on
61Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Figure 14. Removal steps of LCD unit (continued)RemovetheLCDunitinthedirectionshownbyarrow
62G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual1150 LCD front bezel, LCD panel, and hingesForaccess,removetheseFRUsinor
63Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Figure 15. Removal steps of LCD front bezel, LCD panel, and hinges (continued)Removethescrews2.
64G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualFigure 15. Removal steps of LCD front bezel, LCD panel, and hinges (continued
65Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-751160 CameraForaccess,removetheseFRUsinorder:• “1010Batterypack”onpage33• “1020Basec
3Safety informationElectrical safetyObservethefollowingruleswhenworkingonelectricalequipments.Important:Use only approved tools and test equip
66G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualFigure 16. Removal steps of camera (continued)Removethecamerainthedirecti
67Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-751170 LCD cable and antenna assemblyForaccess,removetheseFRUsinorder:• “1010Batterypack”on
68G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualLocationsFront view and right-side view1 Integratedcamera2 Built-inmicroph
69Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Bottom and Left-side view 1 Speaker2 USBport3 HDMIport4 RJ-45port5 VGAport6 Fanlouvers7
70G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualParts listThissectionpresentsthefollowingserviceparts:• “Overall”onpa
71Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75OverallDCFE
72G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualTable 4. Parts list—OverallNo. FRU FRU no. CRU ID.a-d See“Miscellaneousparts
73Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75No. FRU FRU no. CRU ID.5 LG50-45DISE2-61102G(G50-45)5B20F77215N5 LG50-45DISE2-61101G(G50-
74G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualTable 4. Parts list—Overall (continued)No. FRU FRU no. CRU ID.5 ACLU2MBW8PI
75Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Table 4. Parts list—Overall (continued)No. FRU FRU no. CRU ID.5 ACLU2MBW8PUMA2957U100M(G50-70
4G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual• Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofth
76G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualTable 4. Parts list—Overall (continued)No. FRU FRU no. CRU ID.5 ACLUBMBDIS2
77Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Table 4. Parts list—Overall (continued)No. FRU FRU no. CRU ID.5 LZ50-75W8SA8-7100DIS2G(Z50-75
78G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualTable 4. Parts list—Overall (continued)No. FRU FRU no. CRU ID.13 WirelessLan_N
79Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75LCD FRUsInLenovoG50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75,therearefollowingtypesofLCDs.
80G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualTable 5. Parts list—15.6-in. HD LEDNo. FRU FRU no. CRU ID.1 ACLU2LCDBezelB
81Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75KeyboardTable 6. Parts list—KeyboardLanguage P/N CRU ID.ChiconyEnglish 25214725NU.K.English 252147
82G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualLanguage P/N CRU ID.SunrexArabic 25214769NBrazilian 25214770Japanese 25214771D
83Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Miscellaneous partsTable 7. Parts list—Miscellaneous partsFRU P/N CRU ID.Systemmiscellaneouspart
84G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualAC adaptersTable 8. Parts list—3-pin AC adaptersFRU P/N CRU ID.DeltaADLX45NDC
85Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Power cordsALenovopowercordforaspeciccountryorregionisusuallyavailableonlyinthatco
5Safety informationSafety inspection guideThepurposeofthisinspectionguide is to assistyouin identifying potentialunsafeconditions.Asea
86G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualRegion P/N CRU ID.Switzerland3PIN• LongwellLP-37+H03VV-F+LS-181m145000565*
87Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Region P/N CRU ID.Japan3PIN• VOLEXVAC5S+VCTF+M7551m145000530*Argentina3PIN• VOLEXVA2073+H03V
88G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualNoticesLenovomaynotoffertheproducts,services,orfeaturesdiscussedint
89NoticesAnyperformancedatacontainedherein was determinedin a controlledenvironment.Therefore,theresultobtainedinotheroperating envi
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