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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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 ... 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-FRU index 52 Numeric error codes...
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 ... 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-FRU index 52 Numeric error codes...
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... assembly 83 1160 LCD and Keyboard bezel assembly . . . . 86 1170 LCD assembly 89 1180 Keyboard bezel 92 1190 Fan assembly 94 2000 Fan (CPU 3 GHz) and CPU fixture . . . . 96 2010 CPU 98 2020 CD-ROM/DVD drive bracket 99 2030 FDD bracket 100 2040 System board 101 2050 Lower case...and rear cover . . . . 110 3030 LCD panel and hinge assembly . . . . . 111 Locations 112 Front view 112 Rear view 113 Bottom view 114 Parts list 115 G40, G41 series 115 Overall 139 LCD FRUs 146 Keyboard 149 Recovery CDs 150 Miscellaneous parts 153 AC adapters 153 Telephone cable 153 Optional FRUs 154...
... assembly 83 1160 LCD and Keyboard bezel assembly . . . . 86 1170 LCD assembly 89 1180 Keyboard bezel 92 1190 Fan assembly 94 2000 Fan (CPU 3 GHz) and CPU fixture . . . . 96 2010 CPU 98 2020 CD-ROM/DVD drive bracket 99 2030 FDD bracket 100 2040 System board 101 2050 Lower case...and rear cover . . . . 110 3030 LCD panel and hinge assembly . . . . . 111 Locations 112 Front view 112 Rear view 113 Bottom view 114 Parts list 115 G40, G41 series 115 Overall 139 LCD FRUs 146 Keyboard 149 Recovery CDs 150 Miscellaneous parts 153 AC adapters 153 Telephone cable 153 Optional FRUs 154...
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Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively. Before servicing ThinkPad products, be sure to review the safety information under "Safety notices: multilingual translations" on page 4, "Safety information" on ... Portions © IBM Corp. 2005. 1 Use this manual This manual contains service and reference information for trained service personnel who are familiar with ThinkPad products. About this manual along with the advanced diagnostic tests to troubleshoot problems. The manual is intended for ThinkPad G40 and G41 products...
Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively. Before servicing ThinkPad products, be sure to review the safety information under "Safety notices: multilingual translations" on page 4, "Safety information" on ... Portions © IBM Corp. 2005. 1 Use this manual This manual contains service and reference information for trained service personnel who are familiar with ThinkPad products. About this manual along with the advanced diagnostic tests to troubleshoot problems. The manual is intended for ThinkPad G40 and G41 products...
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... notices are servicing may also cause false error codes. If more than one error code is listed in English, French, German, Hebrew, Italian, and Spanish. 4 ThinkPad G40, G41
... notices are servicing may also cause false error codes. If more than one error code is listed in English, French, German, Hebrew, Italian, and Spanish. 4 ThinkPad G40, G41
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Make sure that your eyes. 16 ThinkPad G40, G41 v Do not wear jewelry, chains, metal-frame eyeglasses, or metal fasteners for you think are hammering, drilling, soldering, cutting wire, attaching springs, using ...objects that other service representatives and the customer's personnel are good electrical conductors. Use a slow lifting force. Never move suddenly or twist when you service a ThinkPad computer. v Place removed covers and other conditions that can stand safely without slipping. 2. If your clothing. v Wear safety glasses when you are too heavy...
Make sure that your eyes. 16 ThinkPad G40, G41 v Do not wear jewelry, chains, metal-frame eyeglasses, or metal fasteners for you think are hammering, drilling, soldering, cutting wire, attaching springs, using ...objects that other service representatives and the customer's personnel are good electrical conductors. Use a slow lifting force. Never move suddenly or twist when you service a ThinkPad computer. v Place removed covers and other conditions that can stand safely without slipping. 2. If your clothing. v Wear safety glasses when you are too heavy...
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... powered off controls, is conductive; First, check that another person to switch off power. - Attention: Another person must be there to get medical aid. 18 ThinkPad G40, G41 Use extreme care when measuring high voltages. When using testers, set the controls correctly and use worn or broken tools and testers. v Never assume...
... powered off controls, is conductive; First, check that another person to switch off power. - Attention: Another person must be there to get medical aid. 18 ThinkPad G40, G41 Use extreme care when measuring high voltages. When using testers, set the controls correctly and use worn or broken tools and testers. v Never assume...
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...-wire ground. - You can occur when there is insulative and retains a charge even when you use coax or connector-outside shells on these systems. 20 ThinkPad G40, G41 Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge...
...-wire ground. - You can occur when there is insulative and retains a charge even when you use coax or connector-outside shells on these systems. 20 ThinkPad G40, G41 Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge...
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... of purchase __ 5. Before checking problems with multiple labels v Damaged or bent diskette eject button v Fuses blown by attachment of unauthorized service or modification. 26 ThinkPad G40, G41 Procedure index and page number in the diskette drive v Diskette drive damage caused by pressure on the display, and beep symptoms __ 6. Machine type...
... of purchase __ 5. Before checking problems with multiple labels v Damaged or bent diskette eject button v Fuses blown by attachment of unauthorized service or modification. 26 ThinkPad G40, G41 Procedure index and page number in the diskette drive v Diskette drive damage caused by pressure on the display, and beep symptoms __ 6. Machine type...
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... of the hard disk drive that you have saved on the new hard disk. If possible, save all your files to install your computer. 28 ThinkPad G40, G41
... of the hard disk drive that you have saved on the new hard disk. If possible, save all your files to install your computer. 28 ThinkPad G40, G41
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... to install, select the proper operating system and press Enter. 9. At the next window, press Enter to step 4. v The Predesktop Area is booted. 30 ThinkPad G40, G41 Install the preloaded system from the CD: 6. Boot with the recovery CD (and the boot diskette if required.) 7. If you do not want to... create the Predesktop Area, press the N key, and then go to continue. On each of these passwords has been set, a prompt for any ThinkPad computer: the power-on . Exception: If only an SVP is installed, the password prompt does not appear when the operating system is created.
... to install, select the proper operating system and press Enter. 9. At the next window, press Enter to step 4. v The Predesktop Area is booted. 30 ThinkPad G40, G41 Install the preloaded system from the CD: 6. Boot with the recovery CD (and the boot diskette if required.) 7. If you do not want to... create the Predesktop Area, press the N key, and then go to continue. On each of these passwords has been set, a prompt for any ThinkPad computer: the power-on . Exception: If only an SVP is installed, the password prompt does not appear when the operating system is created.
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In the Changes have been saved window, press Enter. 9. then, in the Setup Configuration window. 32 ThinkPad G40, G41 To remove a user HDP that has been forgotten, when the SVP and the master HDP are known, do the following: 1. then leave the New ... Master HDP. 7. Turn on the computer and wait until the POST ends. Select Password. 5. then, while the "To interrupt normal startup, press the blue Access IBM button" message is known by the servicer: 1. Enter SVP. 3. Select Password. 5. Select Hard-disk x password, where x is displayed at the lower-left of the screen...
In the Changes have been saved window, press Enter. 9. then, in the Setup Configuration window. 32 ThinkPad G40, G41 To remove a user HDP that has been forgotten, when the SVP and the master HDP are known, do the following: 1. then leave the New ... Master HDP. 7. Turn on the computer and wait until the POST ends. Select Password. 5. then, while the "To interrupt normal startup, press the blue Access IBM button" message is known by the servicer: 1. Enter SVP. 3. Select Password. 5. Select Hard-disk x password, where x is displayed at the lower-left of the screen...
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... button. - The hibernation file in suspend mode. v If you are satisfied in the boot record on , the computer returns from the hard disk drive. 34 ThinkPad G40, G41 Also, the computer goes into hibernation mode, perform that time. Closing the lid. - When the power is turned on the hard disk drive is...
... button. - The hibernation file in suspend mode. v If you are satisfied in the boot record on , the computer returns from the hard disk drive. 34 ThinkPad G40, G41 Also, the computer goes into hibernation mode, perform that time. Closing the lid. - When the power is turned on the hard disk drive is...
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...-Doctor shows messages describing it cannot be held down menu appears. (Its exact form depends on the ThinkPad computer. Note: After executing PC-Doctor, check the system time/date and reset them if needed. 36 ThinkPad G40, G41 v Video Adapter test supports only the LCD display on the model.) Note: PC-Doctor menu...
...-Doctor shows messages describing it cannot be held down menu appears. (Its exact form depends on the ThinkPad computer. Note: After executing PC-Doctor, check the system time/date and reset them if needed. 36 ThinkPad G40, G41 v Video Adapter test supports only the LCD display on the model.) Note: PC-Doctor menu...
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... does not charge during operation, go to ″Checking operational charging.″ To check the ac adapter, do the following: v Replace the system board. 38 ThinkPad G40, G41 Unplug the ac adapter cable from the computer. 2. If the voltage is not correct, replace the ac adapter. 4. Checkout guide Power system checkout To...
... does not charge during operation, go to ″Checking operational charging.″ To check the ac adapter, do the following: v Replace the system board. 38 ThinkPad G40, G41 Unplug the ac adapter cable from the computer. 2. If the voltage is not correct, replace the ac adapter. 4. Checkout guide Power system checkout To...
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... the following : 1. Checkout guide Terminal Voltage (V dc) 1 + 0 to +3.2 - Turn the computer upside down. 3. If the voltage is still not correct, replace the backup battery. 40 ThinkPad G40, G41 If the resistance is not correct, recharge the backup battery by connecting the ac adapter to 30 K . Note: Recharging will take at least 3 hours...
... the following : 1. Checkout guide Terminal Voltage (V dc) 1 + 0 to +3.2 - Turn the computer upside down. 3. If the voltage is still not correct, replace the backup battery. 40 ThinkPad G40, G41 If the resistance is not correct, recharge the backup battery by connecting the ac adapter to 30 K . Note: Recharging will take at least 3 hours...
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ThinkPad G40, G41 Product overview 45 Specifications 45 Status indicators 47 FRU tests 49 Fn key combinations 51 Symptom-to-FRU index 52 Numeric error ...assembly 83 1160 LCD and Keyboard bezel assembly . . . . 86 1170 LCD assembly 89 1180 Keyboard bezel 92 1190 Fan assembly 94 2000 Fan (CPU 3 GHz) and CPU fixture . . . . 96 2010 CPU 98 2020 CD-ROM/DVD drive bracket 99 2030 FDD bracket 100 2040 System board 101 2050 Lower ... Modem cable 103 2070 PC card slot assembly 104 2080 LCD front bezel 105 2090 Inverter card 106 © Lenovo 2005. Portions © IBM Corp. 2005. 43
ThinkPad G40, G41 Product overview 45 Specifications 45 Status indicators 47 FRU tests 49 Fn key combinations 51 Symptom-to-FRU index 52 Numeric error ...assembly 83 1160 LCD and Keyboard bezel assembly . . . . 86 1170 LCD assembly 89 1180 Keyboard bezel 92 1190 Fan assembly 94 2000 Fan (CPU 3 GHz) and CPU fixture . . . . 96 2010 CPU 98 2020 CD-ROM/DVD drive bracket 99 2030 FDD bracket 100 2040 System board 101 2050 Lower ... Modem cable 103 2070 PC card slot assembly 104 2080 LCD front bezel 105 2090 Inverter card 106 © Lenovo 2005. Portions © IBM Corp. 2005. 43