Lenovo G555 Notebook User Manual

Lenovo G555Hardware Maintenance Manual

6Lenovo G555 Hardware Maintenance ManualHandling devices that are sensitive to electrostatic dischargeAny computer part containing transistors or int

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

8Lenovo G555 Hardware Maintenance ManualSafety notice 2 DANGERSome standby batteries contain a small amount of nickel and cadmium. Do not disassemble

9Safety informationSafety notice 3 DANGERThe battery pack contains small amounts of nickel. Do not disassemble it, throw it into re or water, or shor

10Lenovo G555 Hardware Maintenance ManualSafety notice 4 DANGERThe lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge i

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

12Lenovo G555 Hardware Maintenance ManualSafety notice 6 DANGERTo avoid shock, do not remove the plastic cover that protects the lower part of the inv

13Safety informationSafety notice 8 DANGERBefore removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the

14Lenovo G555 Hardware Maintenance ManualLaser compliance statementSome models of Lenovo computer are equipped from the factory with an opt

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

Note:Before using this information and the product it supports, be sure to read the general information under “Notices” on page 87.First Edition (Jan.

16Lenovo G555 Hardware Maintenance ManualImportant service informationThis chapter presents the following important service information: • “Strategy

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

18Lenovo G555 Hardware Maintenance ManualImportant information about replacing RoHS compliant FRUsRoHS, The Restriction of Hazardous Substances

19General checkout General checkout This chapter presents the following information:• “What to do rst” on page 20• “Power system checkout” on page

20Lenovo G555 Hardware Maintenance ManualWhat to do rstWhen you do return an FRU, you must include the following information in the parts exchange fo

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

22Lenovo G555 Hardware Maintenance ManualPerform operational charging. If the battery status indicator or icon does not light on, remove the ba

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

24Lenovo G555 Hardware Maintenance ManualWhen you use the recovery discs to boot your computer, the system will enter the user interface for system re

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

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

26Lenovo G555 Hardware Maintenance ManualHibernation modeIn hibernation mode, the following occurs:The system status, RAM, VRAM, and setup data are st

27Lenovo G555Lenovo G555This chapter presents the following product-specific service references and product-specic parts information:• “Speci

28Lenovo G555 Hardware Maintenance ManualTable 1. Specications (continued)Feature DescriptionI/O port • External monitor connector• Stereo headpho

29Lenovo G555Status indicatorsThe system status indicators below show the computer status:3 4 5 61 2Table 2. Status indicatorsIndicator Meaning1Caps l

30Lenovo G555 Hardware Maintenance ManualTable 2. Status indicators (continued)Indicator Meaning3Power on White: System is enabled. Blinking white: S

31Lenovo G555Fn key combinationsThe following table shows the function of each combination of Fn with a function key.Table 4. Fn key combi

32Lenovo G555 Hardware Maintenance ManualFRU replacement noticesThis section presents notices related to removing and replacing parts. Read this s

33Lenovo G555Removing and replacing an FRUThis section presents exploded gures with the instructions to indicate how to remove and replace the FRU. M

34Lenovo G555 Hardware Maintenance Manual1010 Battery pack DANGEROnly use the battery specied in the parts list for your computer. Any other battery

35Lenovo G5551020 Dummy cards For access, remove this FRU: • “1010 Battery pack” on page 34Figure 2. Removal steps of dummy cardsRemove two dummy car

ivAbout this manualThis manual contains service and reference information for the following Lenovo product:Lenovo G555Use this manual to trou

36Lenovo G555 Hardware Maintenance Manual1030 Hard disk drive (HDD) slot cover and HDDFor access, remove this FRU: • “1010 Battery pack” on page 34At

37Lenovo G555Figure 3. Removal steps of HDD slot cover and HDD (continued)Pull the tab up in the direction shown by arrows 3 4 to remove the hard disk

38Lenovo G555 Hardware Maintenance Manual1040 Memory/Wireless module/CPU (central processing unit) compartment coverFor access, remove this FRU:• “10

39Lenovo G5551050 Optical driveFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1040 Memory/Wireless module/CPU (central p

40Lenovo G555 Hardware Maintenance Manual1060 DIMMFor access, remove these FRUs in order: • “1010 Battery pack” on page 34• “1040 Memory/Wireless mo

41Lenovo G5551070 Fan assembly and Heat Sink assemblyFor access, remove these FRUs in order: • “1010 Battery pack” on page 34• “1040 Memory/Wireless

42Lenovo G555 Hardware Maintenance ManualFigure 7. Removal steps of fan assembly and heat sink assembly (continued)Lift the fan assembly and heat sink

43Lenovo G555Figure 7. Removal steps of fan assembly and heat sink assembly (continued)Peel off the adhesive tape in the direction shown by arrow 6 to

44Lenovo G555 Hardware Maintenance Manual1080 CPUFor access, remove these FRUs in order: • “1010 Battery pack” on page 34• “1040 Memory/Wireless mod

45Lenovo G5551090 PCI Express Mini Card for wireless LAN/WANFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1040 Memory/Wi

1Safety informationSafety informationThis chapter presents the following safety information that you need to get familiar with before you servic

46Lenovo G555 Hardware Maintenance ManualFigure 9. Removal steps of PCI Express Mini Card for wireless LAN/WAN (continued) Remove the wirele

47Lenovo G5551100 Keyboard cover and power boardFor access, remove this FRU: • “1010 Battery pack” on page 34Note: Power board is attached to the key

48Lenovo G555 Hardware Maintenance ManualFigure 10. Removal steps of Keyboard cover and power board (continued)Open the LCD at an angle about 120°.Lif

49Lenovo G555Figure 10. Removal steps of Keyboard cover and power board (continued)Turn the keyboard cover over in the direction shown by arrow 4, d

50Lenovo G555 Hardware Maintenance Manual1110 KeyboardFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1100 Keyboard cover

51Lenovo G555Figure 11. Removal steps of keyboardLift the keyboard a little 2, unlock the FPC connector and then detach the connector in the di

52Lenovo G555 Hardware Maintenance Manual1120 LCD unitFor access, remove these FRUs in order: • “1010 Battery pack” on page 34• “1040 Memory/Wireles

53Lenovo G555Figure 12. Removal steps of LCD unit (continued)Pull out the LCD cable and the two antenna cables from the guide hole and release them

54Lenovo G555 Hardware Maintenance ManualFigure 12. Removal steps of LCD unit (continued)Remove two screws 6. 66Step Screw (quantity) Color Torque6M2

55Lenovo G555Remove the LCD unit in the direction shown by arrows 7.77

2Lenovo G555 Hardware Maintenance ManualGeneral safetyFollow these rules below to ensure general safety:Observe a good housekeeping in the area w

56Lenovo G555 Hardware Maintenance Manual1130 Keyboard bezelFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1040 Memory/Wi

57Lenovo G555Figure 13. Removal steps of keyboard bezel (continued)Remove three screws 3 and one screw 4. 4333Step Screw (quantity) Color Torque3M2.5

58Lenovo G555 Hardware Maintenance ManualFigure 13. Removal steps of keyboard bezel (continued) Detach three FPC connectors in the direction shown by

59Lenovo G555Figure 13. Removal steps of keyboard bezel (continued) Remove the keyboard bezel in the direction shown by arrow 7.7

60Lenovo G555 Hardware Maintenance Manual1140 System board Important notices for handling the system board:When handling the system board, bear the fo

61Lenovo G555Figure 14. Removal steps of system board (continued)Unplug two connectors (bluetooth connector and speakers connector) in the direc

62Lenovo G555 Hardware Maintenance ManualFigure 14. Removal steps of system board (continued)Remove the system board in the direction shown by arrow 4

63Lenovo G5551150 Bluetooth daughter card, speakers and base coverFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1030 Har

64Lenovo G555 Hardware Maintenance ManualFigure 15. Removal steps of Bluetooth daughter card, speakers and base cover (continued)Remove four

65Lenovo G555Figure 15. Removal steps of Bluetooth daughter card, speakers and base cover (continued)Remove the power assembly in the direction shown

3Safety informationElectrical safetyObserve the following rules when working on electrical equipments.Important:Use only approved tools and test equip

66Lenovo G555 Hardware Maintenance ManualNote: Applying labels to the base coverThe new base cover FRU is shipped with a kit containing labels of sev

67Lenovo G5551160 LCD front bezelFor access, remove these FRUs in order: • “1010 Battery pack” on page 34• “1040 Memory/Wireless module/CPU (central

68Lenovo G555 Hardware Maintenance Manual1170 LCD panel and hingesFor access, remove these FRUs in order: • “1010 Battery pack” on page 34• “1040 Me

69Lenovo G555Figure 17. Removal steps of LCD panel and hinges (continued)Remove the LCD panel in the direction shown by arrow 2.2Note: The LCD circuit

70Lenovo G555 Hardware Maintenance Manual1180 Integrated cameraFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1040 Memory

71Lenovo G5551190 Antenna assembly and LCD cover For access, remove these FRUs in order: • “1010 Battery pack” on page 34• “1040 Memory/Wireless mod

72Lenovo G555 Hardware Maintenance ManualLocationsFront view1 Integrated camera2 Array microphones (bulit-in)3 Wireless LAN antennas4 System statu

73Lenovo G555Right-side view1 USB port2 Optical drive3 AC power adapter jack123Bottom and Left-side view 1 Battery latch - manual2 Battery pack3

74Lenovo G555 Hardware Maintenance ManualParts listThis section presents the following service parts:• “Overall” on page 75• “LCD FRUs” on page 79•

75Lenovo G555Overall12e5gh131522c18674893f10b111216141721a2019

4Lenovo G555 Hardware Maintenance ManualAlways look carefully for possible hazards in your work area. Examples of • these hazards are moist oors,

76Lenovo G555 Hardware Maintenance ManualTable 5. Parts list—OverallNo. FRU FRU no.1 LCD unit (see “LCD FRUs” on page 79.)2 KIWA7 STRIP COVER-TEXTURE

77Lenovo G555Table 5. Parts list—Overall (continued)No. FRU FRU no.12 WLAN card, 802.11b/g/n 2*2, Cbt AR9283 HB93 BGN MOW NB WLAN card2000227612WLAN c

78Lenovo G555 Hardware Maintenance ManualTable 5. Parts list—Overall (continued)No. FRU FRU no.17 Hard disk drive, 320G 5400rpm SATA, Fujitsu MJA2320B

79Lenovo G555LCD FRUsIn Lenovo G555, there are following types of LCDs.“15.6-in. HD TFT”• d65

80Lenovo G555 Hardware Maintenance Manual15.6-in. HD TFTTable 6. Parts list—15.6-in. HD TFTNo. FRU FRU no.1 NAWA2 LCD BEZEL CCFL W/CMOS F-TEX 15.6 310

81Lenovo G555KeyboardTable 7. Parts list—KeyboardLanguage P/NNew KB, add NM KB JMEEnglish 25008409U.K. English 25008420Italian 25008611Spanish 2500851

82Lenovo G555 Hardware Maintenance ManualTable 7. Parts list—Keyboard (continued)Language P/NNew KB, add NM KB (continued)ChiconyEnglish 25008517U.K.

83Lenovo G555Miscellaneous partsTable 8. Parts list—Miscellaneous parts FRU P/NSystem miscellaneous parts:• (a) KIWA7 T/P BRACKET EC07Q000500• (b)

84Lenovo G555 Hardware Maintenance ManualAC adaptersTable 9. Parts list—3-pin AC adaptersFRU P/N65W, Delta ADP-65KH B adapter 3600164665W, Liteon PA-1

85Lenovo G555Power cordsA Lenovo power cord for a specic country or region is usually available only in that country or region: Table 10. Parts list—

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

86Lenovo G555 Hardware Maintenance ManualTable 10. Parts list—3-pin power cords (continued)Region P/NBrazil• Longwell LP-46+H03VV-F+LS-18 1m145000564

87NoticesNoticesLenovo may not offer the products, services, or features discussed in this document in all countries. Consult your lo

88Lenovo G555 Hardware Maintenance ManualAny performance data contained herein was determined in a controlled environment. Therefore, the re