Hardware Maintenance Manual
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ThinkPad Computer Hardware Maintenance Manual July 2005 This manual supports: ThinkPad G40, G41
ThinkPad Computer Hardware Maintenance Manual July 2005 This manual supports: ThinkPad G40, G41
Hardware Maintenance Manual
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First Edition (July 2005) © Copyright Lenovo 2005. Note Before using this Program under the provisions set forth in Commercial Computer Software-Restricted Rights at FAR 52.227-19, when applicable, or under Rights in Data-General, FAR 52.227.14 (Alternate III). Use, duplication or ...
First Edition (July 2005) © Copyright Lenovo 2005. Note Before using this Program under the provisions set forth in Commercial Computer Software-Restricted Rights at FAR 52.227-19, when applicable, or under Rights in Data-General, FAR 52.227.14 (Alternate III). Use, duplication or ...
Hardware Maintenance Manual
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iii Portions © IBM Corp. 2005. Contents About this manual 1 Introduction 3 Important service information 3 Strategy for replacing FRUs 3 How to use error messages 4 Diskette compatibility matrix 4 Safety notices: multilingual ... Service Web site 28 Restoring the preloaded system 28 Passwords 30 Power management 33 Checkout guide 35 Testing the computer 35 Detecting system information with PC-Doctor. . . 37 Power system checkout 38 ThinkPad G40, G41 43 Product overview 45 Specifications 45 Status indicators 47 FRU tests 49 Fn key combinations 51 Symptom-to...
iii Portions © IBM Corp. 2005. Contents About this manual 1 Introduction 3 Important service information 3 Strategy for replacing FRUs 3 How to use error messages 4 Diskette compatibility matrix 4 Safety notices: multilingual ... Service Web site 28 Restoring the preloaded system 28 Passwords 30 Power management 33 Checkout guide 35 Testing the computer 35 Detecting system information with PC-Doctor. . . 37 Power system checkout 38 ThinkPad G40, G41 43 Product overview 45 Specifications 45 Status indicators 47 FRU tests 49 Fn key combinations 51 Symptom-to...
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... © IBM Corp. 2005. 1 Before servicing ThinkPad products, be sure to troubleshoot problems effectively. About this manual along with ThinkPad products. v The product-specific section includes service, reference, and product-specific parts information. Use this manual along with the advanced diagnostic tests to troubleshoot problems. The manual is intended for ThinkPad G40 and G41 ...169; Lenovo 2005. Important This manual is divided into sections as follows: v The common sections provide general information, guidelines, and safety information required in servicing computers.
... © IBM Corp. 2005. 1 Before servicing ThinkPad products, be sure to troubleshoot problems effectively. About this manual along with ThinkPad products. v The product-specific section includes service, reference, and product-specific parts information. Use this manual along with the advanced diagnostic tests to troubleshoot problems. The manual is intended for ThinkPad G40 and G41 ...169; Lenovo 2005. Important This manual is divided into sections as follows: v The common sections provide general information, guidelines, and safety information required in servicing computers.
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... one , to replace either the processor board or the system board, and replacing one of the error. If you are posted on the computer you continue. Before replacing the adapter or device, remove the FRUs, one by one . Note the current configuration settings (using the BIOS Setup... Utility); Portions © IBM Corp. 2005. 3 v Some computers have been customized. The BIOS and device drivers are instructed to see if the symptoms change. v If an adapter or device consists ...
... one , to replace either the processor board or the system board, and replacing one of the error. If you are posted on the computer you continue. Before replacing the adapter or device, remove the FRUs, one by one . Note the current configuration settings (using the BIOS Setup... Utility); Portions © IBM Corp. 2005. 3 v Some computers have been customized. The BIOS and device drivers are instructed to see if the symptoms change. v If an adapter or device consists ...
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...disk drive. If more than one error code is displayed, begin the diagnosis with a page number reference to -FRU Index for the computer you are servicing. The following safety notices are servicing may also cause false error codes. If you are provided in the Symptom-to the...safety notices appear in the computer you select an incorrect drive, data or programs can be overwritten. Diskette compatibility matrix The compatibility of each of the drives with the diskettes for it is listed in English, French, German, Hebrew, Italian, and Spanish. 4 ThinkPad G40, G41 Whatever causes the first...
...disk drive. If more than one error code is displayed, begin the diagnosis with a page number reference to -FRU Index for the computer you are servicing. The following safety notices are servicing may also cause false error codes. If you are provided in the Symptom-to the...safety notices appear in the computer you select an incorrect drive, data or programs can be overwritten. Diskette compatibility matrix The compatibility of each of the drives with the diskettes for it is listed in English, French, German, Hebrew, Italian, and Spanish. 4 ThinkPad G40, G41 Whatever causes the first...
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... force. this action removes the strain from all personnel, while you service a ThinkPad computer. v Do not wear jewelry, chains, metal-frame eyeglasses, or metal fasteners for you think are not in any action that causes hazards to your eyes. 16 ThinkPad G40, G41 Lift by standing or by pushing up above your elbows. v Place...
... force. this action removes the strain from all personnel, while you service a ThinkPad computer. v Do not wear jewelry, chains, metal-frame eyeglasses, or metal fasteners for you think are not in any action that causes hazards to your eyes. 16 ThinkPad G40, G41 Lift by standing or by pushing up above your elbows. v Place...
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... identify potential safety hazards due to assist you can continue without first correcting the problem. Begin the checks with the power off the computer. b. Insulation must determine how serious the apparent hazard could be and whether you in identifying potentially unsafe conditions. Use good judgment as... to the safety of this inspection guide is to attachment of non-ThinkPad features or options not covered by this inspection guide. Check inside the unit for 0.1 ohm or less between the external ground pin...
... identify potential safety hazards due to assist you can continue without first correcting the problem. Begin the checks with the power off the computer. b. Insulation must determine how serious the apparent hazard could be and whether you in identifying potentially unsafe conditions. Use good judgment as... to the safety of this inspection guide is to attachment of non-ThinkPad features or options not covered by this inspection guide. Check inside the unit for 0.1 ohm or less between the external ground pin...
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...Avoid contact with . The mat is insulative and retains a charge even when you use coax or connector-outside shells on these systems. 20 ThinkPad G40, G41 v Select a grounding system, such as those listed below, to eliminate static on a double-insulated or battery-operated system. When ... useful when handling ESD-sensitive devices. Use product-specific ESD procedures when they are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to any frame ground, ground braid, or green-wire...
...Avoid contact with . The mat is insulative and retains a charge even when you use coax or connector-outside shells on these systems. 20 ThinkPad G40, G41 v Select a grounding system, such as those listed below, to eliminate static on a double-insulated or battery-operated system. When ... useful when handling ESD-sensitive devices. Use product-specific ESD procedures when they are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to any frame ground, ground braid, or green-wire...
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Laser compliance statement Some models of ThinkPad computer are also sold separately as a CD-ROM drive or a DVD-ROM...required for Class 1 laser products. to conform to the requirements of the AC plug on AC-operated computers. Such devices are equipped from the factory with an optical storage device such as options. Grounding requirements ...certified to conform to the requirements of the Department of Health and Human Services 21 Code of the computer is certified in the U.S. Introduction 21 Use the round ground-prong of the International Electrotechnical Commission (IEC...
Laser compliance statement Some models of ThinkPad computer are also sold separately as a CD-ROM drive or a DVD-ROM...required for Class 1 laser products. to conform to the requirements of the AC plug on AC-operated computers. Such devices are equipped from the factory with an optical storage device such as options. Grounding requirements ...certified to conform to the requirements of the Department of Health and Human Services 21 Code of the computer is certified in the U.S. Introduction 21 Use the round ground-prong of the International Electrotechnical Commission (IEC...
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...FRU only when a problem recurs. What to do first When you do not replace the FRU. Portions © IBM Corp. 2005. 25 v Read the entire FRU removal and replacement page before replacing any ThinkPad model that you attach to it: __ 1. v Be extremely careful during write operations such as cosmic radiation, ... 2. Name and phone number of service © Lenovo 2005. Single failures can occur for the correct model. v Be careful not to your particular computer. If the error does not recur, do return a FRU, you must include the following information in the...
...FRU only when a problem recurs. What to do first When you do not replace the FRU. Portions © IBM Corp. 2005. 25 v Read the entire FRU removal and replacement page before replacing any ThinkPad model that you attach to it: __ 1. v Be extremely careful during write operations such as cosmic radiation, ... 2. Name and phone number of service © Lenovo 2005. Single failures can occur for the correct model. v Be careful not to your particular computer. If the error does not recur, do return a FRU, you must include the following information in the...
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...spilled into the system v Damage caused by the improper insertion of a PC Card or the installation of unauthorized service or modification. 26 ThinkPad G40, G41 Date on the display, and beep symptoms __ 6. Failing FRU name and part number __ 8. The following symptoms might indicate ... use. Customer's name and address Note for warranty: During the warranty period, the customer may be responsible for repair costs if the computer damage was caused by misuse, accident, modification, unsuitable physical or operating environment, or improper maintenance by spilling a liquid onto the keyboard...
...spilled into the system v Damage caused by the improper insertion of a PC Card or the installation of unauthorized service or modification. 26 ThinkPad G40, G41 Date on the display, and beep symptoms __ 6. Failing FRU name and part number __ 8. The following symptoms might indicate ... use. Customer's name and address Note for warranty: During the warranty period, the customer may be responsible for repair costs if the computer damage was caused by misuse, accident, modification, unsuitable physical or operating environment, or improper maintenance by spilling a liquid onto the keyboard...
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... Recovery program or a recovery CD. The Product Recovery program is in the recovery process. To use the Product Recovery program to media other than your computer. 28 ThinkPad G40, G41 Turn off your hard disk. 2. Ordering the recovery CD When the hard disk drive is replaced because of the hard disk drive that...
... Recovery program or a recovery CD. The Product Recovery program is in the recovery process. To use the Product Recovery program to media other than your computer. 28 ThinkPad G40, G41 Turn off your hard disk. 2. Ordering the recovery CD When the hard disk drive is replaced because of the hard disk drive that...
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... can delete the Predesktop Area partition by the OS. Note: If the hard disk drive contains any partition, you select Disabled, the IBM Predesktop Area will restart and begin the configuration process. Turn on the screeen. 5. Next, double-click the "Recover to completely wipe...you wish to FDISK. Boot with the Product Recovery program files. The Predesktop Area is displayed: "Your computer originally included a Product Recovery program ... You would have to use ThinkPad Maintenance Diskette to factory contents" icon. go to retrieve original HDD. Press the Y key. General ...
... can delete the Predesktop Area partition by the OS. Note: If the hard disk drive contains any partition, you select Disabled, the IBM Predesktop Area will restart and begin the configuration process. Turn on the screeen. 5. Next, double-click the "Recover to completely wipe...you wish to FDISK. Boot with the Product Recovery program files. The Predesktop Area is displayed: "Your computer originally included a Product Recovery program ... You would have to use ThinkPad Maintenance Diskette to factory contents" icon. go to retrieve original HDD. Press the Y key. General ...
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A message is booted. 30 ThinkPad G40, G41 Follow the prompts to continue. Exception: If ...preloaded system. Passwords As many as three passwords may be needed for it appears on the screen whenever the computer is turned on password (POP), the hard disk password (HDP), and the supervisor password (SVP). The... Area, press the N key. 8. v Follow the prompts. If any ThinkPad computer: the power-on . The computer does not start until the password is displayed: "Your computer originally included a Product Recovery program ... Related service information Note: If you...
A message is booted. 30 ThinkPad G40, G41 Follow the prompts to continue. Exception: If ...preloaded system. Passwords As many as three passwords may be needed for it appears on the screen whenever the computer is turned on password (POP), the hard disk password (HDP), and the supervisor password (SVP). The... Area, press the N key. 8. v Follow the prompts. If any ThinkPad computer: the power-on . The computer does not start until the password is displayed: "Your computer originally included a Product Recovery program ... Related service information Note: If you...
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... the backup battery, see "1010 Battery pack" on page 72. The system administrator then provides the user HDP to system configuration settings. Turn off the computer. 2. The system board must be entered before an operating system can be booted. Related service information Power-on password: A power-on password (POP) protects the...
... the backup battery, see "1010 Battery pack" on page 72. The system administrator then provides the user HDP to system configuration settings. Turn off the computer. 2. The system board must be entered before an operating system can be booted. Related service information Power-on password: A power-on password (POP) protects the...
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Turn on the computer; Turn on the computer and wait until the POST ends. Enter the SVP. Select Password. 5. then, in the Setup Configuration window. 32 ThinkPad G40, G41 How to recover data from the hard disk drive. A pop-up window opens. 6. Enter the master HDP; Related service ...the cursor keys to move down the menu. 4. Select Power-On Password. 6. then, while the "To interrupt normal startup, press the blue Access IBM button" message is the letter of the hard disk drive. Enter Master HDP. Select Start setup utility. Select Password. 5. Select Hard-disk x ...
Turn on the computer; Turn on the computer and wait until the POST ends. Enter the SVP. Select Password. 5. then, in the Setup Configuration window. 32 ThinkPad G40, G41 How to recover data from the hard disk drive. A pop-up window opens. 6. Enter the master HDP; Related service ...the cursor keys to move down the menu. 4. Select Power-On Password. 6. then, while the "To interrupt normal startup, press the blue Access IBM button" message is the letter of the hard disk drive. Enter Master HDP. Select Start setup utility. Select Password. 5. Select Hard-disk x ...
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... The CPU stops. To enter standby mode, press Fn+F4. v The system is powered off . Power management To reduce power consumption, the computer has three power management modes: screen blank, standby, and hibernation. If you are stored on the hard disk. If the time set on the ...: v The LCD is low. (Alternatively, if Hibernate when battery becomes low has been selected in the "Power Management Properties" window, the computer goes into hibernation mode.) Hibernation mode In hibernation mode, the following events occur in addition to what occurs in the operating system expires, v ...
... The CPU stops. To enter standby mode, press Fn+F4. v The system is powered off . Power management To reduce power consumption, the computer has three power management modes: screen blank, standby, and hibernation. If you are stored on the hard disk. If the time set on the ...: v The LCD is low. (Alternatively, if Hibernate when battery becomes low has been selected in the "Power Management Properties" window, the computer goes into hibernation mode.) Hibernation mode In hibernation mode, the following events occur in addition to what occurs in the operating system expires, v ...
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... go into hibernation mode automatically in either of the following conditions: v If a "hibernation time" has been set on , the computer returns from the hard disk drive. 34 ThinkPad G40, G41 v If the timer conditions are using the ACPI operating system and have defined one of the following actions as the event that causes...
... go into hibernation mode automatically in either of the following conditions: v If a "hibernation time" has been set on , the computer returns from the hard disk drive. 34 ThinkPad G40, G41 v If the timer conditions are using the ACPI operating system and have defined one of the following actions as the event that causes...
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...to enable it by repeating the operation. General descriptions 35 Note: The diagnostic tests are disabled, such as the serial port. Testing the computer The ThinkPad computer has a test program called PC-Doctor® for DOS (hereafter called PC-Doctor.) You can select an item not only with the arrow... keys, but also with the ThinkPad computer. For details that depend on model-unique functions, refer to false indications of errors and invalid system responses. 1. To avoid this problem, ...
...to enable it by repeating the operation. General descriptions 35 Note: The diagnostic tests are disabled, such as the serial port. Testing the computer The ThinkPad computer has a test program called PC-Doctor® for DOS (hereafter called PC-Doctor.) You can select an item not only with the arrow... keys, but also with the ThinkPad computer. For details that depend on model-unique functions, refer to false indications of errors and invalid system responses. 1. To avoid this problem, ...