Lenovo ThinkPad G41 Bedienungsanleitung

ThinkPad ComputerHardware Maintenance Manual July 2005This manual supports:ThinkPad G40, G41

Safety notice 2 DANGER Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery,

2000 Fan (CPU 3 GHz) and CPU fixture For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1030 DIMM

When installing: Apply 1 gram (approx.) of thermal grease to the underside of the fan assembly, spreading it evenly with the provid

2010 CPU For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1030 DIMM door” on page 69 v “1070 Ke

2020 CD-ROM/DVD drive bracket For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1030 DIMM door” on

2030 FDD bracket For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1030 DIMM door” on page 69 v

2040 System board For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1030 DIMM door” on page 69 v

2050 Lower case assembly For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1030 DIMM door” on page

2060 Modem cable For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1030 DIMM door” on page 69 v

2070 PC card slot assembly For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1030 DIMM door” on pa

2080 LCD front bezel For access, remove this FRU: v “1010 Battery pack” on page 66 After removing screws 1, detach all of the

(continuation of safety notice 2) Alcune batterie di riserva contengono una piccola quantità di nichel e cadmio. Non smontarle, rica

2090 Inverter card For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “2080 LCD front bezel” on page

3000 Speaker assembly For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “2080 LCD front bezel” on pa

3010 LCD cable assembly For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1030 DIMM door” on page

2334When installing: Make sure the LCD cable is not pinched and aligned to the left of the speaker. Removing and replacing a F

3020 Wireless antenna and rear cover For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1030 DIMM do

3030 LCD panel and hinge assembly For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1070 Keyboard”

Locations Front view 1 System status indicators 2 Power status indicators 3 Power switch 4 PC card slots 5 PC card eject but

Rear view 1 AC power connector 2 Modem connector 3 Ethernet connector 4 Universal serial bus (USB) connectors 5 PS/2 connecto

Bottom view 1 LCD latch 2 Battery pack 3 Battery pack latch 4 DIMM slots 5 USB connectors 6 Floppy disk drive 7 Floppy

Parts list G40, G41 series The G40, G41 series includes several models. The following table summarizes the characteristics of each mod

Safety notice 3 DANGER The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, o

Model LCD Bay device Mini PCI Battery CPU, P4 DT 2.2G/memory, 256 MB/HDD, 30 GB 2388 8Ax 15 in, XGA CD-ROM Open Lithium Ion, 6 cell

Model LCD Bay device Mini PCI Battery CPU, P4 DT 2.6G/memory, 128 MB/HDD, 30 GB 2388 AAx 15 in, XGA CD-ROM 802.11b Lithium Ion, 6 ce

Model LCD Bay device Mini PCI Battery CPU, P4 DT 2.6G/memory, 256 MB/HDD, 40 GB 2388 B1x-B3x 15 in, SXGA+ Combo Open Lithium Ion, 12 c

Model LCD Bay device Mini PCI Battery CPU, P4 DT 2.6G/memory, 256 MB/HDD, 30 GB 2389 9Fx 14.1 in, XGA CD-ROM 802.11 a/b Lithium Ion,

Model LCD Bay device Mini PCI Battery CPU, P4 DT 2.6G/memory, open/HDD, open 2388 CJx 14.1 in, XGA Open 802.11 a/b Open 2388 CKx Open 2

Model LCD Bay device Mini PCI Battery CPU, P4 DT Cel 2.4G/memory, 256 MB/HDD, 40 GB 2388 DP+ 14.1 in, XGA CD-ROM Open Lithium Ion,

Model LCD Bay device Mini PCI Battery CPU, P4 DT 3.0G/memory, 256 MB/HDD, 60 GB 2388 EP+ 15 in, XGA Combo Open Lithium Ion, 12 cell

Model LCD Bay device Mini PCI Battery CPU, P4 DT Cel 2.5G/memory, 128 MB/HDD, 30 GB 2388 HA+ 14.1 in, XGA CD-ROM 802.11b Lithium Ion

Model LCD Bay device Mini PCI Battery CPU, P4 DT Cel 2.6G/memory, 256 MBx2/HDD, 30 GB 2388 JK+ 15 in, XGA Combo Open NiMH, 8 cell C

Model LCD Bay device Mini PCI Battery CPU, P4 DT Cel 2.5G/memory, 256 MB/HDD, 30 GB 2389 HJ+ 14.1 in, XGA Combo Open NiMH, 8 cell 2

(continuation of safety notice 3) La batteria contiene piccole quantità di nichel. Non smontarla, gettarla nel fuoco o nell’acqua né

Model LCD Bay device Mini PCI Battery CPU, P4 DT 2.8G 2388 LD+ 15 in, XGA Open Open Open CPU, P4 DT Cel 2.4G/memory, 128 MB/HDD, 30

Model LCD Bay device Mini PCI Battery CPU, P4 DT Cel 2.4G/memory, 256 MB/HDD, 40 GB 2881 2J+ 15 in, XGA DVD Open Lithium Ion, 12 ce

Model LCD Bay device Mini PCI Battery CPU, P4 DT Cel 2.53/memory, 256 MB/HDD, 40 GB 2881 3D+ 15 in, XGA Combo Open Lithium Ion, 12

Model LCD Bay device Mini PCI Battery CPU, P4 DT Cel 2.66G/memory, 128 MB/HDD, 30 GB 2881 42+ 14.1 in, XGA CD-ROM Open Lithium Ion,

Model LCD Bay device Mini PCI Battery CPU, P4 DT 3.06G/memory, 256 MB/HDD, 40 GB 2881 52+ 14.1 in, XGA DVD Open Lithium Ion, 6 cell

Model LCD Bay device Mini PCI Battery CPU, P4 DT 3.2G/memory, 256 MB/HDD, 40 GB 2881 62+ 14.1 in, XGA DVD Open Lithium Ion, 6 cell 2

Model LCD Bay device Mini PCI Battery CPU, P4 DT Cel 2.4G/memory, open/HDD, open 2882 2Vx 14.1 in, XGA Open Open Open 2882 2Wx 15 in

Model LCD Bay device Mini PCI Battery CPU, P4 DT Cel 2.66G/memory, 256 MB/HDD, 30 GB 2882 4Px 14.1 in, XGA CD-ROM Open Lithium Ion,

Model LCD Bay device Mini PCI Battery CPU, P4 DT 3.06G/memory, 256 MB/HDD, 40 GB 2881 85x 15 in, XGA Combo 802.11 b/g Lithium Ion, 12

Model LCD Bay device Mini PCI Battery CPU, P4 DT 3.2G/memory, 256 MB/HDD, 30 GB 2882 6Px 14.1 in, XGA CD-ROM Open Lithium Ion, 6 cel

Safety notice 4 DANGER The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its pol

Model LCD Bay device Mini PCI Battery CPU, P4 DT 3.2G/memory, 512 MB/HDD, 80 GB 2881 8Cx 15 in, SXGA+ Combo Open Lithium Ion, 6 cell

Model LCD Bay device Mini PCI Battery CPU, P4 DT 3.46G/memory, 256 MB/HDD, 80 GB 2881 8Nx 15 in, XGA Combo Open Lithium Ion, 12 cell

v Each FRU is available for all types or models, unless specific types or models are specified. v A CRU (customer replaceable

Overall 12346789101113151820212223121419161720a20b20c5 Parts list ThinkPad G40, G41 139

No. FRU P/N CRU ID 1 Middle cover ASM 91P8539 ** 2 Hinge cap 91P8533 * 3 Upper case-KBD bezel (*1) refer to item 24 91P8538 N Uppe

No. FRU P/N CRU ID 8 System board with bottom heatsink from 238-1xx to 238x-5xx 93P3314 N System board with bottom heatsink from 238x

No. FRU P/N CRU ID 9 Lower case with label India-all models 91P8550 N Lower case with label wireless and model related 91P8625 Lower

No. FRU P/N CRU ID 10 Main battery Li-Ion 4P3S Sanyo up to 2.8 GHz model 08K8179 * Main battery Li-Ion 4P3S Panasonic up to 2.8 GH

No. FRU P/N CRU ID 14 CDC Modem card 91P7657 ** MDC II Modem card 93P4166 15 DIMM door 91P8553 * 16 RTC battery 92P0992 N 17 Cabl

No. FRU P/N CRU ID 20c Heatsink - VGA External card 26R8043 N 21 Fan ASM 91P8535 N Fan ASM -CPU 3 GHz 91P8536 Fan/heatsink ASM fo

(continuation of safety notice 4) La batteria di supporto e una batteria al litio e puo incendiarsi, esplodere o procurare gravi

LCD FRUs Parts list 146 ThinkPad G40, G41

14.1 in. TFT No. FRU P/N CRU ID 1 LCD Bezel ASM (*1) refer to item 24 91P8531 N LCD Bezel ASM - no Wireless LED (*1) refer to

No. FRU P/N CRU ID 5 LCD Rear Cover ASM - Wireless 91P8528 N LCD Rear Cover ASM - no Wireless 91P8529 LCD Rear Cover ASM - Wire

Keyboard All of the keyboards listed below are Tier 2 CRUs (customer replaceable units). Language P/N (NMB) P/N (Chicony) Arabic 91P8

Recovery CDs All of the Recovery CDs listed below are Tier 1 CRUs (customer replaceable units). Windows XP Home Edition (for G40) Wi

Language P/N Czech 24R6042 Danish 24R6032 Dutch 24R6035 English, U.K. 24R6025 English, U.S. 24R6024 Finnish 24R6033 French 24R6026 German 2

Language P/N Hungarian 01R7857 Italian 01R7847 Japanese 01R7946 Norwegian 01R7850 Polish 01R7854 Portuguese 01R7841 Russian 01R7858 Spanish 0

Windows 2000 (for G40) Windows 2000 is preinstalled as the operating system in some models. Language P/N Japanese 01R7979 Miscellaneou

FRU P/N Telephone cable (ND/NU) 27L0444 Telephone cable (SF/SI/SG/SE) 27L0462 Telephone cable (Spain) 27L0450 Telephone cable (SW/SU) 27L

Power cords All of the power cords listed below are Tier 1 CRUs (customer replaceable units). A ThinkPad power cord for a specific

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

Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Leno

and is presented as an illustration. The result obtained in other operating environments may vary. Lenovo may use or distribute any

Trademarks The following terms are trademarks of Lenovo in the United States, other countries or both: Access Connections Asset I

Trademarks ThinkPad G40, G41 159

Part Number: 39T6188 (1P) P/N: 39T6188

Safety notice 6 DANGER To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card. Afin

Safety notice 7 DANGER Though the main batteries have low voltage, a shorted or grounded battery can produce enough current to b

Safety notice 8 DANGER Before removing any FRU, power off the computer, unplug all power cords from electrical outlets, remove the

Note Before using this information and the product it supports, be sure to read the general information under “Notices” on page 156.

Safety information The following section presents safety information with which you need to be familiar before you service a ThinkPad

v After service, reinstall all safety shields, guards, labels, and ground wires. Replace any safety device that is worn or defecti

– Ensure that another person, familiar with the power-off controls, is near you. Attention: Another person must be there to swit

Safety inspection guide The purpose of this inspection guide is to assist you in identifying potentially unsafe conditions. As each

8. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with.Handling devices that are

– Use the round ground-prong of the AC plug on AC-operated computers.Grounding requirements Electrical grounding of the computer is

If a CD-ROM drive, a DVD-ROM drive, or another laser device is installed, note the following: CAUTION: Opening the CD-ROM drive,

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.

Laser compliance statement 24 ThinkPad G40, G41

General descriptions The desciptions in this chapter apply to any ThinkPad model that has the PC-Doctor® for DOS diagnostics program.

Contents About this manual . . . . . . . . . . .1 Introduction . . . . . . . . . . . . .3 Important service information

__ 3. Date on which the machine failed __ 4. Date of purchase __ 5. Failure symptoms, error codes appearing on the display,

v If the spindle of a hard disk drive becomes noisy, it may have been subjected to excessive force, or dropped.Read this first

Related service information This section provides information about the following: v “Service Web site” v “Restoring the preloaded

3. Turn on your computer. At the prompt, press the Access IBM button. (The prompt “To interrupt normal startup, press the blue A

Note: If you do not want to create the Predesktop Area, press the N key, and then go to step 8. 5. At the next window, pres

Power-on password: A power-on password (POP) protects the system from being powered on by an unauthorized person. The password must b

4. Turn on the computer and wait until the POST ends. After the POST ends, the password prompt does not appear. The POP has be

Both user HDP and master HDP will have been removed.Power management To reduce power consumption, the computer has three power manage

To cause the computer to enter hibernation mode, do any of the following: v Press the Fn+F12 keys. v If you are using the ACP

Checkout guide Use the following procedures as a guide in identifying and correcting problems with the ThinkPad computer. Note: The

1030 DIMM door . . . . . . . . . . .69 1040 DIMM . . . . . . . . . . . .70 1050 Modem daughter card (MDC) . . . .

3. Select Diagnostics with the arrow keys, and press Enter. A pull-down menu appears. (Its exact form depends on the model.)Note:

Detecting system information with PC-Doctor PC-Doctor can detect the following system information: Hardware Info v System Configuration

Power system checkout To verify a symptom, do the following: 1. Power off the computer. 2. Remove the battery pack. 3. Connect

v If the problem persists, go to “Product overview” on page 45.Note: Noise from the ac adapter does not always indicate a defec

Terminal Voltage (V dc) 1 + 0 to + 12.6 (Li-ion) 5 Ground 3. If the voltage is less than +11.0 V dc, the battery pack has be

v If the backup battery discharges quickly after replacement, replace the system board. Note: The backup battery, which is used t

Checkout guide 42 ThinkPad G40, G41

ThinkPad G40, G41 Product overview . . . . . . . . . . . .45 Specifications . . . . . . . . . . . .45 Status indicators

3000 Speaker assembly . . . . . . . . 107 3010 LCD cable assembly . . . . . . . . 108 3020 Wireless antenna and rear cover

Product overview This section presents the following product-unique information: v “Specifications” v “Status indicators” on page 47 v

About this manual This manual contains service and reference information for ThinkPad G40 and G41 products. Use this manual along wit

Feature Description Display v 14.1-inch, 16M colors, XGA (1024 × 768 resolution) TFT color LCD v 15-inch, 16M colors, XGA (1024

Status indicators The system status indicators show the status of the computer, as follows: 1 3274 5 6 Indicator Meaning 1 Wireless

Indicator Meaning 2 Num lock Green: The numeric keypad on the keyboard is enabled. To enable or disable the keypad, press and hol

FRU tests The following table shows the test for each FRU. FRU Applicable test System board 1. Diagnostics --> CPU/Coprocessor 2

FRU Applicable test CD-ROM or DVD drive 1. Diagnostics --> Other Devices --> CD-ROM/DVD 2. Interactive Tests --> CD-ROM/DVD

Fn key combinations The following table shows the function of each combination of Fn with a function key. Key combination Description

Symptom-to-FRU index The symptom-to-FRU index in this section lists symptoms and errors and their possible causes. The most likely cau

Symptom or error FRU or action, in sequence 0187EAIA data access error—The access to EEPROM is failed. System board. 0188Invalid RFID s

Symptom or error FRU or action, in sequence 0250System battery error—System battery is dead. 1. Recharge the backup battery for one

Symptom or error FRU or action, in sequence 02F5DMA test failed 1. DIMM. 2. System board. 02F6Software NMI failed 1. DIMM. 2.

2 ThinkPad G40, G41

Error messages Symptom or error FRU or action, in sequence Device address conflict. 1. Load “Setup Defaults” in BIOS Setup Utility.

Symptom or error FRU or action, in sequence EMM386 Not Installed — Unable to Set Page Frame Base Address. Edit C:\CONFIG.SYS and chan

Beep symptoms Symptom or error FRU or action, in sequence One beep and a blank, unreadable, or flashing LCD. 1. Reseat the LCD co

LCD-related symptoms Important The TFT LCD for the notebook computer contains many thin-film transistors (TFTs). A small number of dot

Intermittent problems Intermittent system hang problems can be due to a variety of causes that have nothing to do with a hardware

FRU replacement notices This section contains notices related to removing and replacing parts. Read this section carefully before repl

v Make sure that you use the correct screw. If you have a torque screwdriver, tighten all screws firmly to the torque shown in

Retaining the UUID The Universally Unique Identifier (UUID) is a 128-bit number uniquely assigned to your computer at production and

3. To write ECA information, select 1. Write ECA/rework number from EEPROM, and follow the instruction. 4. To write box build d

Removing and replacing a FRU This section presents directions and drawings for use in removing and replacing a FRU. Be sure to obs

Introduction Important service information Important BIOS and device driver fixes are customer-installable. The BIOS and device drivers a

1010 Battery pack DANGER Use only the battery in the parts listing for the model you are servicing. Use of an incorrect battery

1020 Hard disk drive Attention v Do not drop or apply any shock to the hard disk drive. The hard disk drive is sensitive to ph

34When installing: Make sure that the hard disk connector is firmly attached. Removing and replacing a FRU 68 ThinkPad G40, G41

1030 DIMM door For access, remove this FRU: v “1010 Battery pack” on page 66Note: Loosen the screws 1, but do not remove the

1040 DIMM For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1030 DIMM door” on page 69 When insta

1050 Modem daughter card (MDC) For access, remove this FRU: v “1010 Battery pack” on page 66 v “1030 DIMM door” on page 69

1060 Backup battery DANGER Use only the battery in the parts listing for the computer you are servicing. Use of an incorrect bat

1070 Keyboard For access, remove these FRUs, in order: v “1010 Battery pack” on page 661 Step Screw (quantity) Torque 1 M2.5

432In step 2, push the keyboard from the bottom, while at the same time pushing a little in the direction of the arrow in step

1080 Middle cover For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1070 Keyboard” on page 73

Strategy for replacing a hard disk drive Always try to run a low-level format before replacing a hard disk drive. Attention: The

1090 Hinge cover For access, remove this FRU: v “1010 Battery pack” on page 66 v “1070 Keyboard” on page 73 v “1080 Middle c

1095 FDD assembly For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1070 Keyboard” on page 73 Ste

1100 Blank bezel FDD assembly For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1070 Keyboard” on p

1110 VGA heatsink assembly For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1070 Keyboard” on page

1120 VGA card assembly For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1070 Keyboard” on page 73

1130 CD-ROM/DVD drive and ODD bracket For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1070 Keyboard

1140 Mini PCI adapter For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1070 Keyboard” on page 73 v

1150 PC card slot assembly For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1030 DIMM door” on pa

Loosen the two screws at 2 about half-way out. Then, push down firmly on both screws in the direction of the arrow 3 to disc

45When installing: At steps 2 and 3, tighten the two new screws slowly until both screws have caught the first threads of the

Safety notice 1 Before the computer is powered on after FRU replacement, make sure all screws, springs, and other small parts are

1160 LCD and Keyboard bezel assembly For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1070 Keyboard

Non-FDD models: The VGA connector for non-FDD models is as shown below. 454 Step Screw (quantity) Torque 4 M 2.5 × 7 mm, Bl

When installing: Make sure the red band A on the LCD cable is aligned with the corner of the keyboard bezel under the hinge.A

1170 LCD assembly For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1070 Keyboard” on page 73 v “

Non-FDD models: The VGA connector for non-FDD models is as shown below. 445 Step Screw (quantity) Torque 4 M 2.5 × 7 mm, Si

When installing: Make sure the red band A on the LCD cable is aligned with the corner of the keyboard bezel under the hinge.A

1180 Keyboard bezel For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1030 DIMM door” on page 69 v

Remove the keyboard bezel in the direction of arrow 3. Removing and replacing a FRU ThinkPad G40, G41 93

1190 Fan assembly For access, remove these FRUs, in order: v “1010 Battery pack” on page 66 v “1030 DIMM door” on page 69 v

When installing: Apply 1 gram (approx.) of thermal grease to the underside of the fan assembly, spreading it evenly with the provid