Lenovo G555 Notebook- Manuals

2 Lenovo G555 Hardware Maintenance Manual General safety Follow these rules below to ensure general safety: Observe a good housekeeping in the area where the machines are put • during and after the maintenance.When lifting any heavy object: • 1. Make sure that you can stand safely without slipping.2...

3 Safety information Electrical safety Observe the following rules when working on electrical equipments. Important: Use only approved tools and test equipments. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents.Many custo...

5 Safety information Safety inspection guide The purpose of this inspection guide is to assist you in identifying potential unsafe conditions. As each machine was designed and built, required safety items were installed to protect users and service personnel from injury. This guide addresses only th...

6 Lenovo G555 Hardware Maintenance Manual Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge (ESD). ESD damage can occur when there is a difference in charge be...

7 Safety information Safety notices: multilingual translations The safety notices in this section are provided in English, French, German, Hebrew, Italian, Japanese, and Spanish. Safety notice 1 Before the computer is powered on after FRU replacement, make sure all screws, springs, and other small p...

8 Lenovo G555 Hardware Maintenance Manual Safety notice 2 DANGER Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery, recharge it, throw it into fire or water, or short- circuit it. Dispose of the battery as required by local ordinances or regula...

9 Safety information Safety notice 3 DANGER The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, or short-circuit it. Dispose of the battery pack as required by local ordinances or regulations. Use only the battery in the appropriate parts listing wh...

10 Lenovo G555 Hardware Maintenance Manual Safety notice 4 DANGER The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its polarized connector, disassemble it, heat it above 100°C (212°F), incinerate it, or expose its cell contents to water. Dispose of the...

11 Safety information Safety notice 5 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the affected areas with water at least for 15 minutes. Seek medical care if any symptoms caused by the fluid are present after washing.Si le panneau d’affi...

12 Lenovo G555 Hardware Maintenance Manual Safety notice 6 DANGER To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card.Afin d’éviter tout risque de choc électrique, ne retirez pas le cache en plastique protégeant la partie inférieure de la carte d’aliment...

13 Safety information Safety notice 8 DANGER Before removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any interconnecting cables.Avant de retirer une unité remplaçable en clientèle, mettez le système hors tension, dé...

14 Lenovo G555 Hardware Maintenance Manual Laser compliance statement Some models of Lenovo computer are equipped from the factory with an optical storage device such as a CD-ROM drive or a DVD-ROM drive. Such devices are also sold separately as options. If one of these drives is installed, it is ce...

15 Safety information A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode. Note the following: DANGER Emits visible and invisible laser radiation when open. Do not stare into the beam, do not view directly with optical instr...

16 Lenovo G555 Hardware Maintenance Manual Important service information This chapter presents the following important service information: • “Strategy for replacing FRUs” on page 16 – “Strategy for replacing a hard disk drive” on page 17 – “Important notice for replacing a system board ” on page 17...

17 Important service information Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs: If you are instructed to replace an FRU, but the replacement does not solve • the problem, reinstall the original FRU before you continue.Some computers have both a processor ...

18 Lenovo G555 Hardware Maintenance Manual Important information about replacing RoHS compliant FRUs RoHS, The Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive (2002/95/EC) is a European Union legal requirement affecting the global electronics industry. RoHS requi...

19 General checkout General checkout This chapter presents the following information:• “What to do first” on page 20 • “Power system checkout” on page 21 Before you go to the checkout, make sure to read the following important notes: Important notes: • Only certified trained personnel can service th...

20 Lenovo G555 Hardware Maintenance Manual What to do first When you do return an FRU, you must include the following information in the parts exchange form or parts return form that you attach to it:1. Name and phone number of servicer2. Date of service3. Date on which the machine failed4. Date of ...

21 General checkout Power system checkout To verify a symptom, follow the steps below:1. Turn off the computer.2. Remove the battery pack.3. Connect the AC adapter.4. Make sure that power is supplied when you turn on the computer.5. Turn off the computer.6. Disconnect the AC adapter and install the ...

22 Lenovo G555 Hardware Maintenance Manual Perform operational charging. If the battery status indicator or icon does not light on, remove the battery pack and let it return to room temperature. Reinstall the battery pack. If the charge indicator or icon is still off, replace the battery pack. If th...

23 Related service information Related service information This chapter presents the following information:• “Restoring the factory contents by using OneKey Recovery” on page 23 • “Passwords ” on page 24 • “Power management ” on page 25 Restoring the factory contents by using OneKey Recovery Restore...

24 Lenovo G555 Hardware Maintenance Manual When you use the recovery discs to boot your computer, the system will enter the user interface for system recovery automatically. Please follow the prompt to insert the backup disc s to complete the whole recovery process. Note: The recovery process might ...

25 Related service information Power management Note: Power management modes are not supported for APM operating system. To reduce power consumption, the computer has three power management modes: screen blank, sleep (standby), and hibernation. Screen blank mode If the time set on the “Turn off moni...

26 Lenovo G555 Hardware Maintenance Manual Hibernation mode In hibernation mode, the following occurs: The system status, RAM, VRAM, and setup data are stored on the hard disk. • The system is powered off. • To cause the computer to enter hibernation mode, follow the steps below: If you are using th...

27 Lenovo G555 Lenovo G555 This chapter presents the following product-specific service references and product-specific parts information:• “Specifications” on page 27 • “Status indicators” on page 29 • “Fn key combinations” on page 31 • “FRU replacement notices” on page 32 • “Removing and replacing...

29 Lenovo G555 Status indicators The system status indicators below show the computer status: 3 4 5 6 1 2 Table 2. Status indicators Indicator Meaning 1 Caps lock White: Caps Lock mode is enabled. You can enter all alphabetic characters (A-Z) in uppercase without pressing the Shift key. To enable or...

31 Lenovo G555 Fn key combinations The following table shows the function of each combination of Fn with a function key. Table 4. Fn key combinations Key combination Description Fn + F1: Enter sleep mode. Fn + F2: Turn on/off the backlight of the LCD screen. Fn + F3: Shift to other connected display...

32 Lenovo G555 Hardware Maintenance Manual FRU replacement notices This section presents notices related to removing and replacing parts. Read this section carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In the Lenovo computer, this problem is addresse...

33 Lenovo G555 Removing and replacing an FRU This section presents exploded figures with the instructions to indicate how to remove and replace the FRU. Make sure to observe the following general rules:1. Do not attempt to service any computer unless you have been trained and certified. An untrained...

36 Lenovo G555 Hardware Maintenance Manual 1030 Hard disk drive (HDD) slot cover and HDD For access, remove this FRU: • “1010 Battery pack” on page 34 Attention: • Do not drop the hard disk drive or apply any physical shock to it. The hard disk drive is sensitive to physical shock. Improper handling...

41 Lenovo G555 1070 Fan assembly and Heat Sink assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1040 Memory/Wireless module/CPU (central processing unit) compartment cover ” on page 38 Figure 7. Removal steps of fan assembly and heat sink assembly Note: Remove thr...

45 Lenovo G555 1090 PCI Express Mini Card for wireless LAN/WAN For access, remove these FRUs in order:• “1010 Battery pack” on page 34 • “1040 Memory/Wireless module/CPU (central processing unit) compartment cover ” on page 38 Figure 9. Removal steps of PCI Express Mini Card for wireless LAN/WAN 1 1...

47 Lenovo G555 1100 Keyboard cover and power board For access, remove this FRU: • “1010 Battery pack” on page 34 Note: Power board is attached to the keyboard cover. Figure 10. Removal steps of Keyboard cover and power board Remove the screws 1 . 1 1 1 1 Step Screw (quantity) Color Torque 1 M2.0 × 2...

55 Lenovo G555 Remove the LCD unit in the direction shown by arrows 7 . 7 7

60 Lenovo G555 Hardware Maintenance Manual 1140 System board Important notices for handling the system board: When handling the system board, bear the following in mind.• Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite. • Avoid rough ...

63 Lenovo G555 1150 Bluetooth daughter card, speakers and base cover For access, remove these FRUs in order:• “1010 Battery pack” on page 34 • “1030 Hard disk drive (HDD) slot cover and HDD” on page 36 • “1040 Memory/Wireless module/CPU (central processing unit) compartment cover ” on page 38 • “105...

66 Lenovo G555 Hardware Maintenance Manual Note: Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. When you replace the base cover, you need to apply the following label: The following labels need to be peeled off from the old base cov...

71 Lenovo G555 1190 Antenna assembly and LCD cover For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1040 Memory/Wireless module/CPU (central processing unit) compartment cover ” on page 38 • “1090 PCI Express Mini Card for wireless LAN/WAN” on page 45 • “1100 Keyboard cove...

72 Lenovo G555 Hardware Maintenance Manual Locations Front view 1 Integrated camera 2 Array microphones (bulit-in) 3 Wireless LAN antennas 4 System status indicators Note: For the description of each indicator, see “Status indicators” on page 29. 5 OneKey Rescue System button 6 Power button 7 Built-...

73 Lenovo G555 Right-side view 1 USB port 2 Optical drive 3 AC power adapter jack 1 2 3 Bottom and Left-side view 1 Battery latch - manual 2 Battery pack 3 Battery latch - spring loaded 4 Memory/Wireless module/CPU compartment 5 Kensington slot 6 Fan louvers 7 RJ-45 port 8 VGA port 9 USB port J Hard...

74 Lenovo G555 Hardware Maintenance Manual Parts list This section presents the following service parts:• “Overall ” on page 75 • “LCD FRUs” on page 79 • “Keyboard ” on page 81 • “Miscellaneous parts ” on page 83 • “AC adapters” on page 84 • “Power cords ” on page 85 Notes: • Each FRU is available f...

75 Lenovo G555 Overall 1 2 e 5 gh 13 15 22 c 18 6 7 4 8 9 3 f 10 b 11 12 16 14 17 21 a 20 19

79 Lenovo G555 LCD FRUs In Lenovo G555, there are following types of LCDs. “15.6-in. HD TFT” • d 6 5

81 Lenovo G555 Keyboard Table 7. Parts list—Keyboard Language P/N New KB, add NM KB JME English 25008409 U.K. English 25008420 Italian 25008611 Spanish 25008510 Turkish 25008607 Thai 25008408 Portuguese 25008509 Latin 25008603 Canadian 25008602 Korean 25008599 Traditional Chinese 25008407 Russian 25...

83 Lenovo G555 Miscellaneous parts Table 8. Parts list—Miscellaneous parts FRU P/N System miscellaneous parts: • (a) KIWA7 T/P BRACKET EC07Q000500 • (b) KIWA7 HDD BRACKET AM040000300 • (c) KIWA7 ODD BRACKET EC02C000D00 • (d) NAWA1 LCD SCREW PAD-IMR 31038373310383743103839331042637 Cable miscellaneou...

84 Lenovo G555 Hardware Maintenance Manual AC adapters Table 9. Parts list—3-pin AC adapters FRU P/N 65W, Delta ADP-65KH B adapter 36001646 65W, Liteon PA-1650-56LC adapter 36001651 65W, Brazil PA-1650-52LB adapter 36001714 65W, Chicony CPA-A065 20V3.25A adapter 36001792 90W, Delta ADP-90DD B adapte...

85 Lenovo G555 Power cords A Lenovo power cord for a specific country or region is usually available only in that country or region: Table 10. Parts list—3-pin power cords Region P/N CCC • SSD YD-118-1+IEC53RVV+SSD-3-2B-1 1m 145000602 CCC• LINETEK PC323+RVV300/300+LS15 1m 145000600 Argentina • LINET...

87 Notices Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is n...

88 Lenovo G555 Hardware Maintenance Manual Any performance data contained herein was determined in a controlled environment. Therefore, the result obtained in other operating environments may vary significantly. Some measurements may have been made on development-level systems and there is no guaran...