Lenovo G475 Notebook- Manuals

2 Lenovo G470/G475/G570/G575 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 wit...

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...

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...

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...

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 G470/G475/G570/G575 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...

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, d...

14 Lenovo G470/G475/G570/G575 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 inst...

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 G470/G475/G570/G575 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 boa...

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 G470/G475/G570/G575 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 indus...

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 G470/G475/G570/G575 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 fa...

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 G470/G475/G570/G575 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 batt...

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 o...

24 Lenovo G470/G475/G570/G575 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...

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 G470/G475/G570/G575 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 y...

27 Lenovo G470/G475/G570/G575 Lenovo G470/G475/G570/G575 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 pag...

29 Lenovo G470/G475/G570/G575 Status indicators The system status indicators below show the computer status: 1 2 3 4 5 6 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 ke...

31 Lenovo G470/G475/G570/G575 Fn key combinations The following table shows the function of each combination of Fn with a function key. Table 3. Fn key combinations Key combination Description Fn + Esc: Turn on/off the integrated camera. Fn + F1: Enter sleep mode. Fn + F2: Turn on/off the backlight ...

32 Lenovo G470/G475/G570/G575 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 prob...

33 Lenovo G470/G475/G570/G575 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 certifie...

38 Lenovo G470/G475/G570/G575 Hardware Maintenance Manual 1050 Hard disk drive For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1040 Hard disk drive (HDD)/Memory/CPU (Central processing unit)/Mini PCI ExpressCard slot compartment cover ” on page 37 Attention: • Do not drop...

41 Lenovo G470/G475/G570/G575 1070 Fan assembly and Heat Sink assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1040 Hard disk drive (HDD)/Memory/CPU (Central processing unit)/Mini PCI ExpressCard slot compartment cover ” on page 37 Figure 7. Removal steps of fan a...

45 Lenovo G470/G475/G570/G575 1090 PCI Express Mini Card for wireless LAN For access, remove these FRUs in order:• “1010 Battery pack” on page 34 • “1040 Hard disk drive (HDD)/Memory/CPU (Central processing unit)/Mini PCI ExpressCard slot compartment cover ” on page 37 Figure 9. Removal steps of PCI...

52 Lenovo G470/G475/G570/G575 Hardware Maintenance Manual 1120 Power board and touch inductive panel For access, remove these FRUs in order:• “1010 Battery pack” on page 34 • “1030 Optical drive” on page 36 • “1040 Hard disk drive (HDD)/Memory/CPU (Central processing unit)/Mini PCI ExpressCard slot ...

53 Lenovo G470/G475/G570/G575 1130 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 handling of a...

59 Lenovo G470/G475/G570/G575 1150 Speakers, bluetooth daughter card and base cover For access, remove these FRUs in order:• “1010 Battery pack” on page 34 • “1020 Dummy card” on page 35 • “1030 Optical drive” on page 36 • “1040 Hard disk drive (HDD)/Memory/CPU (Central processing unit)/Mini PCI Exp...

62 Lenovo G470/G475/G570/G575 Hardware Maintenance Manual Note: Applying labels to the base cover The illustrations used in this Note are of the Lenovo G470.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 followi...

63 Lenovo G470/G475/G570/G575 For models in other countries or regions: a Bluetooth label (for US/CA/TW/Indonesia) b SIRIM Bluetooth label c SIRIM WLAN label d Bluetooth label (for Brazil) e WLAN label (for Brazil/Israel) f WLAN label (for US/CA/TW/Indonesia) g Windows license label (COA) h Rating l...

68 Lenovo G470/G475/G570/G575 Hardware Maintenance Manual 1190 Antenna assembly and LCD cover For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1020 Dummy card” on page 35 • “1030 Optical drive” on page 36 • “1040 Hard disk drive (HDD)/Memory/CPU (Central processing unit)/M...

69 Lenovo G470/G475/G570/G575 Locations Front view 1 Integrated camera 2 Wireless module antennas (Select models only) 3 System status indicators Note: For the description of each indicator, see “Status indicators” on page 29. 4 OneKey Rescue system button 5 Power button 6 Built-in microphone 7 Inte...

70 Lenovo G470/G475/G570/G575 Hardware Maintenance Manual Right-side view 1 Headphone jack 2 Microphone jack 3 Optical drive 4 USB port 5 AC power adapter jack 5 1 2 4 3 Bottom and Left-side view 1 USB ports 2 HDMI port (Select models only) (G470/G570) 3 RJ-45 port 4 VGA port 5 Fan louvers 6 Kensing...

71 Lenovo G470/G475/G570/G575 Parts list This section presents the following service parts:• “Overall” on page 72 • “LCD FRUs” on page 77 • “Keyboard” on page 79 • “Miscellaneous parts” on page 84 • “AC adapters” on page 85 • “Power cords” on page 86 Notes: • Each FRU is available for all types or m...

72 Lenovo G470/G475/G570/G575 Hardware Maintenance Manual Overall 1 2 3 7 c d b 14 13 19 16 18 4 f 10 e 5 6 8 9 12 11 a 20 15 17

77 Lenovo G470/G475/G570/G575 LCD FRUs In Lenovo G470/G475/G570/G575, there are following types of LCDs. “14.0-in. HD TFT” • “15.6-in. HD TFT” • 7 6 3 2 1 8 5 4

79 Lenovo G470/G475/G570/G575 Keyboard Table 7. Parts list—Keyboard G470/G475: Language P/N Chicony Bulgarian 25011556 Czech-Slovakian 25011557 International English 25011558 Swiss 25011559 Slovenian 25011560 Icelandic 25011561 Belgian 25011562 Four Nordic countries 25011563 Hungarian 25011564 Hebre...

84 Lenovo G470/G475/G570/G575 Hardware Maintenance Manual Miscellaneous parts Table 8. Parts list—Miscellaneous parts FRU P/N System miscellaneous parts: • (a) PIWG1 HDD BRACKET AM0GL000600 • (b) PIWG1 ODD BRACKET EC0GL000A00 3104822531048211 Cable miscellaneous parts: • (c) PIWG2 DC-IN CABLE-15.6 •...

85 Lenovo G470/G475/G570/G575 AC adapters Table 9. Parts list—3-pin AC adapters FRU P/N Delta ADP-65KH BD 20V/3.25A Aadapter 36001929 Liteon PA-1650-56LC Aadapter 36001651 Brazil PA-1650-52LB Aadapter(Brazil) 36001714 Chicony CPA-A065 20V3.25A Aadapter(330PF) 36001943 Delta ADP-90DD BD 20V4.5A Aadap...

86 Lenovo G470/G475/G570/G575 Hardware Maintenance Manual 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+RV...

89 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...

90 Lenovo G470/G475/G570/G575 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 the...