Lenovo B550 Notebook Bedienungsanleitung

Lenovo B550Hardware Maintenance Manual

6Lenovo B550 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 B550 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 B550 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 B550 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 B550 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 86.First Edition (Marc

16Lenovo B550 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 B550 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 B550 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 B550 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 B550 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 B550 Hardware Maintenance ManualHibernation modeIn hibernation mode, the following occurs:The system status, RAM, VRAM, and setup data are st

27Lenovo B550Lenovo B550This chapter presents the following product-specific service references and product-specic parts information:• “Speci

28Lenovo B550 Hardware Maintenance ManualTable 1. Specications (continued)Feature DescriptionKeyboard • 6-row Lenovo KeyboardTouch pad • Yes with t

29Lenovo B550Status indicatorsThe system status indicators below show the computer status:3 4 5 61 2Table 2. Status indicatorsIndicator Meaning1Caps l

30Lenovo B550 Hardware Maintenance ManualTable 2. Status indicators (continued)Indicator Meaning3Power on White: System is enabled. Blinking white: S

31Lenovo B550Fn key combinationsThe following table shows the function of each combination of Fn with a function key.Table 4. Fn key combi

32Lenovo B550 Hardware Maintenance ManualFRU replacement noticesThis section presents notices related to removing and replacing parts. Read this s

33Lenovo B550Removing and replacing an FRUThis section presents exploded gures with the instructions to indicate how to remove and replace the FRU. M

34Lenovo B550 Hardware Maintenance Manual1010 Battery pack DANGEROnly use the battery specied in the parts list for your computer. Any other battery

35Lenovo B5501020 Hard disk drive (HDD) slot cover and HDDFor access, remove this FRU: • “1010 Battery pack” on page 34Attention: • Donotdropthe

ivAbout this manualThis manual contains service and reference information for the following Lenovo product:Lenovo B550Use this manual to trou

36Lenovo B550 Hardware Maintenance ManualFigure 2. Removal steps of HDD slot cover and HDD (continued)Pull the tab up in the direction shown by arrows

37Lenovo B5501030 Memory/Wireless module/CPU (central processing unit) compartment coverFor access, remove this FRU:• “1010 Battery pack” on page 34F

38Lenovo B550 Hardware Maintenance Manual1040 Optical driveFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1030 Memory/Wir

39Lenovo B5501050 DIMMFor access, remove these FRUs in order: • “1010 Battery pack” on page 34• “1030 Memory/Wireless module/CPU (central processing

40Lenovo B550 Hardware Maintenance Manual1060 Fan assembly and Heat Sink assemblyFor access, remove these FRUs in order: • “1010 Battery pack” on pag

41Lenovo B550Figure 6. Removal steps of fan assembly and heat sink assembly (continued)Lift the fan assembly and heat sink assembly in the direction s

42Lenovo B550 Hardware Maintenance ManualFigure 6. Removal steps of fan assembly and heat sink assembly (continued)abWhen installing: Before you attac

43Lenovo B5501070 CPUFor access, remove these FRUs in order: • “1010 Battery pack” on page 34• “1030 Memory/Wireless module/CPU (central processing

44Lenovo B550 Hardware Maintenance Manual1080 PCI Express Mini Card for wireless LAN/WANFor access, remove these FRUs in order:• “1010 Battery pack”

45Lenovo B550Figure 8. Removal steps of PCI Express Mini Card for wireless LAN/WAN (continued) Remove the wireless LAN card in the direction

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

46Lenovo B550 Hardware Maintenance Manual1090 Keyboard cover and power boardFor access, remove this FRU: • “1010 Battery pack” on page 34Note: Power

47Lenovo B550Figure 9. Removal steps of Keyboard cover and power board (continued)Open the LCD at an angle about 120°.Lift the keyboard cover with ng

48Lenovo B550 Hardware Maintenance ManualFigure 9. Removal steps of Keyboard cover and power board (continued)Turn the keyboard cover over in the di

49Lenovo B5501100 KeyboardFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1090 Keyboard cover and power board” on page 46F

50Lenovo B550 Hardware Maintenance ManualFigure 10. Removal steps of keyboard (continued)Lift the keyboard a little 2, unlock the FPC connector a

51Lenovo B5501110 LCD unitFor access, remove these FRUs in order: • “1010 Battery pack” on page 34• “1030 Memory/Wireless module/CPU (central proces

52Lenovo B550 Hardware Maintenance ManualFigure 11. Removal steps of LCD unit (continued)Pull out the LCD cable and the two antenna cables from the

53Lenovo B550Figure 11. Removal steps of LCD unit (continued)Remove two screws 6. 66Step Screw (quantity) Color Torque6M2.5 × 8 mm, at-head, nylon-c

54Lenovo B550 Hardware Maintenance ManualFigure 11. Removal steps of LCD unit (continued)Remove the LCD unit in the direction shown by arrows 7.77

55Lenovo B5501120 Keyboard bezelFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1030 Memory/Wireless module/CPU (central p

2Lenovo B550 Hardware Maintenance ManualGeneral safetyFollow these rules below to ensure general safety:Observe a good housekeeping in the area w

56Lenovo B550 Hardware Maintenance ManualFigure 12. Removal steps of keyboard bezel (continued)Remove three screws 3 and one screw 4. 4333Step Screw (

57Lenovo B550Figure 12. Removal steps of keyboard bezel (continued) Detach two FPC connectors in the direction shown by arrows 5 6.65When installing:

58Lenovo B550 Hardware Maintenance ManualFigure 12. Removal steps of keyboard bezel (continued) Remove the keyboard bezel in the direction shown by ar

59Lenovo B5501130 System board Important notices for handling the system board:When handling the system board, bear the following in mind.• Be carefu

60Lenovo B550 Hardware Maintenance ManualFigure 13. Removal steps of system board (continued)Unplug two connectors (bluetooth connector and speaker

61Lenovo B550Figure 13. Removal steps of system board (continued)Remove the system board in the direction shown by arrow 4.a ab4When installing: When

62Lenovo B550 Hardware Maintenance Manual1140 Bluetooth daughter card, speakers and base coverFor access, remove these FRUs in order:• “1010 Battery

63Lenovo B550Figure 14. Removal steps of Bluetooth daughter card, speakers and base cover (continued)Remove four screws 3, release the speake

64Lenovo B550 Hardware Maintenance ManualFigure 14. Removal steps of Bluetooth daughter card, speakers and base cover (continued)Remove the power asse

65Lenovo B550Note: Applying labels to the base coverThe new base cover FRU is shipped with a kit containing labels of several kinds. When you repla

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

66Lenovo B550 Hardware Maintenance Manual1150 LCD front bezelFor access, remove these FRUs in order: • “1010 Battery pack” on page 34• “1030 Memory/

67Lenovo B5501160 LCD panel and hingesFor access, remove these FRUs in order: • “1010 Battery pack” on page 34• “1030 Memory/Wireless module/CPU (ce

68Lenovo B550 Hardware Maintenance ManualFigure 16. Removal steps of LCD panel and hinges (continued)Remove the LCD panel in the direction shown by ar

69Lenovo B5501170 Integrated cameraFor access, remove these FRUs in order:• “1010 Battery pack” on page 34• “1030 Memory/Wireless module/CPU (centra

70Lenovo B550 Hardware Maintenance Manual1180 Antenna assembly and LCD cover For access, remove these FRUs in order: • “1010 Battery pack” on page 34

71Lenovo B550LocationsFront view1 Integrated camera2 Array microphones (bulit-in)3 Wireless LAN antennas4 System status indicatorsNote: For the de

72Lenovo B550 Hardware Maintenance ManualRight-side view1 USB port2 Optical drive3 AC power adapter jack123Bottom and Left-side view 1 Battery lat

73Lenovo B550Parts listThis section presents the following service parts:• “Overall” on page 74• “LCD FRUs” on page 78• “Keyboard” on page 80• “Mi

74Lenovo B550 Hardware Maintenance ManualOverall5f126gh141622c784910311b121317151821a2019

75Lenovo B550Table 5. Parts list—OverallNo. FRU FRU no.1 LCD unit (see “LCD FRUs” on page 78.)2 NIWAB STRIP COVER-TEXTURE 15.6 71ER 20382013 NIWAB POW

4Lenovo B550 Hardware Maintenance ManualAlways look carefully for possible hazards in your work area. Examples of • these hazards are moist oors,

76Lenovo B550 Hardware Maintenance ManualTable 5. Parts list—Overall (continued)No. FRU FRU no.12 DDRIII 1066 1GB,Elpida,EBJ10UE8BDS0-AE-F (Rev D / 1G

77Lenovo B550Table 5. Parts list—Overall (continued)No. FRU FRU no.18 Hard disk drive, 250G 5400rpm SATA, Seagate ST9250315AS 250G 9NB HDD1600418618Ha

78Lenovo B550 Hardware Maintenance ManualLCD FRUsIn Lenovo B550, there are following types of LCDs.“15.6-in. HD TFT”• d65

79Lenovo B55015.6-in. HD TFTTable 6. Parts list—15.6-in. HD TFTNo. FRU FRU no.1 NIWAB LCD BEZEL W/CMOS-TEXTURE 15.6 310429832 KIWA7 LCD BRACKET L&

80Lenovo B550 Hardware Maintenance ManualKeyboardTable 7. Parts list—KeyboardLanguage P/NNew KB, add NM KB JMEEnglish 25008409U.K. English 25008420Ita

81Lenovo B550Table 7. Parts list—Keyboard (continued)Language P/NNew KB, add NM KB (continued)ChiconyEnglish 25008517U.K. English 25008516Italian 2500

82Lenovo B550 Hardware Maintenance ManualMiscellaneous partsTable 8. Parts list—Miscellaneous parts FRU P/NSystem miscellaneous parts:• (a) KIWA7 T/

83Lenovo B550AC adaptersTable 9. Parts list—3-pin AC adaptersFRU P/N65W, Delta ADP-65KH B adapter 3600164665W, Liteon PA-1650-56LC adapter 3600165165W

84Lenovo B550 Hardware Maintenance ManualPower cordsA Lenovo power cord for a specic country or region is usually available only in that country or r

85Lenovo B550Table 10. Parts list—3-pin power cords (continued)Region P/NSwitzerland• Longwell LP-37+H03VV-F+LS-18 1m145000565Brazil• Longwell LP-46

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

86Lenovo B550 Hardware Maintenance ManualNoticesLenovo may not offer the products, services, or features discussed in this document in al

87NoticesAny performance data contained herein was determined in a controlled environment. Therefore, the result obtained in other opera