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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 dischargeAnycomputerpart

7Safety informationSafety notices: multilingual translationsThesafetynoticesinthissectionareprovided in English,French,German,Hebrew,Ital

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 statementSomemodelsofLenovocomputerareequippedfromthe

15Safety informationACD-ROMdrive,aDVD-ROMdrive,oranyotherstoragedeviceinstalledmaycontainanembeddedClass3AorClass3Blaserdiode.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 informationThischapterpresentsthefollowingimportantser

17Important service informationUsethefollowingstrategytopreventunnecessaryexpenseforreplacingandservicingFRUs:• Ifyouareinstructedto

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 Thischapterpresentsthefollowinginformation:• “Whattodorst”onpage20• “Powersystemcheckout”onpage

20G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualWhat to do rstWhenyoudoreturnanFRU,youmustincludethefollowinginfor

21General checkout Power system checkoutToverifyasymptom,followthestepsbelow:1. Turnoffthecomputer.2. Removethebatterypack.3. Connect

22G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualPerformoperationalcharging.Ifthebatterystatusindicatororicondoesnot

23Related service informationRelated service informationThischapterpresentsthefollowinginformation:• “RestoringthefactorycontentsbyusingOn

24G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualPasswordsAsmanyasthreepasswordsmay be neededforanyLenovocomputer:t

25Related service informationPower managementNote:PowermanagementmodesarenotsupportedforAPMoperatingsystem.Toreducepowerconsumption,the

iiiContentsAbout this manual ... ivSafety information ... 1Generalsafety...

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/Z50-75Thischapterpresentsthefol

27Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Table 1. Specications (continued)Feature DescriptionBusarchitecture(continued)• G50-45:GPU:GP

28G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualTable 1. Specications (continued)Feature DescriptionGraphic memory chip • In

29Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Status indicatorsThesystemstatusindicatorsbelowshowthecomputerstatus:Table 2. Status indi

30G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualHotkeysYoucanaccesscertainsystemsettingsquicklybypressingtheappropri

31Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75FRU replacement noticesThissectionpresentsnoticesrelated to removingand replacingparts.Re

32G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualRemoving and replacing an FRUThissectionpresentsexplodedgureswiththein

33Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-751010 Battery pack DANGEROnly use the battery specied 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 coverForaccess,removethisFRU:• “1010Batterypack”onpage33Fi

35Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Note: Applying labels to the base coverThenewbasecoverFRUisshippedwithakit containing la

ivAbout this manualThismanualcontainsserviceandreferenceinformationforthefollowingLenovoproduct: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 driveForaccess,removethisFRU:• “1010Batterypack”onpage3

37Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-751040 Hard disk driveForaccess,removetheseFRUsinorder:• “1010Batterypack”onpage33• “102

38G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualFigure 4. Removal steps of hard disk drive (continued)Removethescrews3and

39Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-751050 PCI Express Mini Card for wireless LANForaccess,removetheseFRUsinorder:• “1010Battery

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 DIMMForaccess,removetheseFRUsinorder:• “1010Batterypack”onpage33• “1020Basecov

42G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual1070 Fan assemblyAttention:For the Lenovo G50-30, select models (computers wit

43Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Figure 7. Removal steps of fan assembly (continued) Removethefan3.

44G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual1080 KeyboardForaccess,removetheseFRUsinorder:• “1010Batterypack”on

45Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Figure 8. Removal steps of keyboard (continued) Insertthescrewdriverintothebottomhole2.Then

1Safety informationSafety informationThischapterpresentsthefollowingsafetyinformationthatyouneedtogetfamiliarwithbeforeyouserviceaLe

46G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualFigure 8. Removal steps of keyboard (continued) Liftthekeyboardslightly4.

47Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-751090 Keyboard bezelForaccess,removetheseFRUsinorder:• “1010Batterypack”onpage33• “1020

48G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualFigure 9. Removal steps of keyboard bezel (continued)Disconnectthetouchpadc

49Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Figure 9. Removal steps of keyboard bezel (continued)Removethescrew5.Step Screw (quantity) Colo

50G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual1100 ODD board and USB&audio boardForaccess,removetheseFRUsinorder:•

51Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Figure 10. Removal steps of ODD board and USB&audio board (continued)RemovetheODDboard4.

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)RemovetheUSB&audiob

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)Unplugthespeakerconnectorinthedirections

2G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualGeneral safetyFollowtheserulesbelowtoensuregeneralsafety:• Observeago

56G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualFigure 11. Removal steps of system board (continued)Removethesystemboardin

57Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-751120 Heat sink assemblyForaccess,removetheseFRUsinorder:• “1010Batterypack”onpage33•

58G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual1130 Speakers and DC-in cableForaccess,removetheseFRUsinorder:• “1010B

59Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Figure 13. Removal steps of speakers and DC-in cable (continued)RemovetheDC-incableinthedirec

60G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual1140 LCD unitForaccess,removetheseFRUsinorder:• “1010Batterypack”on

61Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Figure 14. Removal steps of LCD unit (continued)RemovetheLCDunitinthedirectionshownbyarrow

62G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual1150 LCD front bezel, LCD panel, and hingesForaccess,removetheseFRUsinor

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)Removethescrews2.

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 CameraForaccess,removetheseFRUsinorder:• “1010Batterypack”onpage33• “1020Basec

3Safety informationElectrical safetyObservethefollowingruleswhenworkingonelectricalequipments.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)Removethecamerainthedirecti

67Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-751170 LCD cable and antenna assemblyForaccess,removetheseFRUsinorder:• “1010Batterypack”on

68G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualLocationsFront view and right-side view1 Integratedcamera2 Built-inmicroph

69Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Bottom and Left-side view 1 Speaker2 USBport3 HDMIport4 RJ-45port5 VGAport6 Fanlouvers7

70G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualParts listThissectionpresentsthefollowingserviceparts:• “Overall”onpa

71Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75OverallDCFE

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-dSee“Miscellaneousparts”

73Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75No. FRU FRU no. CRU ID.5LG50-45DISE2-61102G(G50-45)5B20F77215N5LG50-45DISE2-61101G(G50-45

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.5ACLU2MBW8PI3

75Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Table 4. Parts list—Overall (continued)No. FRU FRU no. CRU ID.5ACLU2MBW8PUMA2957U100M(G50-70)

4G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual• Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofth

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.5ACLUBMBDIS29

77Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Table 4. Parts list—Overall (continued)No. FRU FRU no. CRU ID.5LZ50-75W8SA8-7100DIS2G(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.13WirelessLan_No

79Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75LCD FRUsInLenovoG50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75,therearefollowingtypesofLCDs.

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.1ACLU2LCDBezelBl

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.Systemmiscellaneouspart

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.DeltaADLX45NDC

85Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Power cordsALenovopowercordforaspeciccountryorregionisusuallyavailableonlyinthatco

5Safety informationSafety inspection guideThepurposeofthisinspectionguideis to assist youinidentifying potentialunsafeconditions.Aseac

86G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualRegion P/N CRU ID.Switzerland3PIN• LongwellLP-37+H03VV-F+LS-181m145000565*

87Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75Region P/N CRU ID.Japan3PIN• VOLEXVAC5S+VCTF+M7551m145000530*Argentina3PIN• VOLEXVA2073+H03V

88G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance ManualNoticesLenovomaynotoffertheproducts,services,orfeaturesdiscussedint

89NoticesAnyperformancedatacontainedherein was determinedina controlledenvironment.Therefore,theresultobtainedinotheroperating envir