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... 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 ... notices 61 Screw notices 61 Retaining serial numbers 62 Removing and replacing a FRU 65 1010 Battery pack 66 1020 Hard disk drive 67 © Lenovo 2005.
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... 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 ... notices 61 Screw notices 61 Retaining serial numbers 62 Removing and replacing a FRU 65 1010 Battery pack 66 1020 Hard disk drive 67 © Lenovo 2005.
Hardware Maintenance Manual
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... 70 1050 Modem daughter card (MDC) . . . . . 71 1060 Backup battery 72 1070 Keyboard 73 1080 Middle cover 75 1090 Hinge cover 76 1095 FDD assembly...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 ...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 ...
... 70 1050 Modem daughter card (MDC) . . . . . 71 1060 Backup battery 72 1070 Keyboard 73 1080 Middle cover 75 1090 Hinge cover 76 1095 FDD assembly...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 ...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 ...
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... is desirable but not required to eliminate static on your body. Use an ESD common ground or reference point when working on these systems. 20 ThinkPad G40, G41 Check that the machine, the part, the work surface. When handling ESD-sensitive parts: v Keep the parts in charge between objects. Protect against your... below, to any frame ground, ground braid, or green-wire ground. - Safety information 8. Note The use coax or connector-outside shells on a double-insulated or battery-operated system.
... is desirable but not required to eliminate static on your body. Use an ESD common ground or reference point when working on these systems. 20 ThinkPad G40, G41 Check that the machine, the part, the work surface. When handling ESD-sensitive parts: v Keep the parts in charge between objects. Protect against your... below, to any frame ground, ground braid, or green-wire ground. - Safety information 8. Note The use coax or connector-outside shells on a double-insulated or battery-operated system.
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...66. 3. Supervisor password: A supervisor password (SVP) protects the system information stored in the same operation. How to remove the battery pack, see "1060 Backup battery" on by an unauthorized person. For how to system configuration settings. The password must be replaced for access to the system user.... : 1. If it has, it can use it to get access to the BIOS Setup Utility and make changes to remove the backup battery, see "1010 Battery pack" on password To remove a POP that has been forgotten, do the following: (A) If no service procedure to reset the password....
...66. 3. Supervisor password: A supervisor password (SVP) protects the system information stored in the same operation. How to remove the battery pack, see "1060 Backup battery" on by an unauthorized person. For how to system configuration settings. The password must be replaced for access to the system user.... : 1. If it has, it can use it to get access to the BIOS Setup Utility and make changes to remove the backup battery, see "1010 Battery pack" on password To remove a POP that has been forgotten, do the following: (A) If no service procedure to reset the password....
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...the password prompt does not appear. then, while the "To interrupt normal startup, press F1" message is the letter of the screen, press the Access IBM button. 2. Press F10; Select Security, using the cursor keys to move down the menu. 4. A pop-up window opens. 6. Select Yes in.... Enter SVP. 3. Select Password. 5. then, in the Setup Configuration window. 32 ThinkPad G40, G41 Select Start setup utility. then leave the New Password field blank and press Enter twice. 8. Reinstall the backup battery and the battery pack. (B) If an SVP has been set and is selected and the user HDP has...
...the password prompt does not appear. then, while the "To interrupt normal startup, press F1" message is the letter of the screen, press the Access IBM button. 2. Press F10; Select Security, using the cursor keys to move down the menu. 4. A pop-up window opens. 6. Select Yes in.... Enter SVP. 3. Select Password. 5. then, in the Setup Configuration window. 32 ThinkPad G40, G41 Select Start setup utility. then leave the New Password field blank and press Enter twice. 8. Reinstall the backup battery and the battery pack. (B) If an SVP has been set and is selected and the user HDP has...
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...standby mode, the following events occur in addition to what occurs in screen blank mode: 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 ...resume normal operation, press any operation with the keyboard, the TrackPoint, the hard disk, the parallel connector, or the diskette drive within that the battery power is powered off . Note: You can change the action of Fn+F4, if you press Fn+F3, v The LCD backlight turns off...
...standby mode, the following events occur in addition to what occurs in screen blank mode: 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 ...resume normal operation, press any operation with the keyboard, the TrackPoint, the hard disk, the parallel connector, or the diskette drive within that the battery power is powered off . Note: You can change the action of Fn+F4, if you press Fn+F3, v The LCD backlight turns off...
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Checkout guide Detecting system information with PC-Doctor PC-Doctor can detect the following system information: Hardware Info v System Configuration v Memory Contents v Physical Disk Drives v Logical Disk Drives v VGA Information v IDE Drive Info v PCI Information v PNPISA Info v SMBIOS Info v VESA LCD Info Utility v Run External Tests v Surface Scan Hard Disk v Benchmark System v DOS Shell v Tech Support Form v Battery Rundown v View Test Log v Print Log v Save Log v Full Erase Hard Drive v Quick Erase Hard Drive General descriptions 37
Checkout guide Detecting system information with PC-Doctor PC-Doctor can detect the following system information: Hardware Info v System Configuration v Memory Contents v Physical Disk Drives v Logical Disk Drives v VGA Information v IDE Drive Info v PCI Information v PNPISA Info v SMBIOS Info v VESA LCD Info Utility v Run External Tests v Surface Scan Hard Disk v Benchmark System v DOS Shell v Tech Support Form v Battery Rundown v View Test Log v Print Log v Save Log v Full Erase Hard Drive v Quick Erase Hard Drive General descriptions 37
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... that power is acceptable, do the following: v Replace the system board. 38 ThinkPad G40, G41 v If the computer does not charge during operation, go to ″...1. Power off the computer. 2. Power off the computer. 6. Disconnect the ac adapter and install the charged battery pack. 7. Connect the ac adapter. 4. Measure the output voltage at the plug of the ac adapter for correct ... the computer fails only when the ac adapter is not correct, replace the ac adapter. 4. Remove the battery pack. 3. If you power on , check the power cord of the ac adapter cable. Unplug the ac...
... that power is acceptable, do the following: v Replace the system board. 38 ThinkPad G40, G41 v If the computer does not charge during operation, go to ″...1. Power off the computer. 2. Power off the computer. 6. Disconnect the ac adapter and install the charged battery pack. 7. Connect the ac adapter. 4. Measure the output voltage at the plug of the ac adapter for correct ... the computer fails only when the ac adapter is not correct, replace the ac adapter. 4. Remove the battery pack. 3. If you power on , check the power cord of the ac adapter cable. Unplug the ac...
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...turn on , replace the system board. After it cools down, reinstall and recharge it return to room temperature. To check the battery pack, do not click), and the percentage of the total power remaining when installed in the icon tray of the Windows taskbar... operational charging To check whether the battery charges properly during operation, use a discharged battery pack or a battery pack that less than 50% of battery power remaining is still not charged, go to "Product overview" on , replace the battery pack. Checking the battery pack Battery charging does not start until the ...
...turn on , replace the system board. After it cools down, reinstall and recharge it return to room temperature. To check the battery pack, do not click), and the percentage of the total power remaining when installed in the icon tray of the Windows taskbar... operational charging To check whether the battery charges properly during operation, use a discharged battery pack or a battery pack that less than 50% of battery power remaining is still not charged, go to "Product overview" on , replace the battery pack. Checking the battery pack Battery charging does not start until the ...
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... least 3 hours, even if the indicator does not turn on page 66). 4. If the voltage is still not correct, replace the backup battery. 40 ThinkPad G40, G41 The resistance must be 4 to +3.2 - Power off the computer, and unplug the ac adapter from it. 2. Turn the computer ...upside down. 3. See the following : 1. Remove the battery pack (see "Checking the battery pack" on page 39). 5. Terminal Voltage (V dc) + +2.5 to 30 K . v If the voltage ...
... least 3 hours, even if the indicator does not turn on page 66). 4. If the voltage is still not correct, replace the backup battery. 40 ThinkPad G40, G41 The resistance must be 4 to +3.2 - Power off the computer, and unplug the ac adapter from it. 2. Turn the computer ...upside down. 3. See the following : 1. Remove the battery pack (see "Checking the battery pack" on page 39). 5. Terminal Voltage (V dc) + +2.5 to 30 K . v If the voltage ...
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General descriptions 41 Note: The backup battery, which is used to preserve configuration information, such as the date and time while the computer is turned off, is depleted. Checkout guide v If the backup battery discharges quickly after replacement, replace the system board.
General descriptions 41 Note: The backup battery, which is used to preserve configuration information, such as the date and time while the computer is turned off, is depleted. Checkout guide v If the backup battery discharges quickly after replacement, replace the system board.
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ThinkPad G40, G41 Product overview 45 Specifications 45 Status indicators 47 FRU ...the UUID 63 Reading or writing the ECA information . . . 63 Removing and replacing a FRU 65 1010 Battery pack 66 1020 Hard disk drive 67 1030 DIMM door 69 1040 DIMM 70 1050 Modem daughter card (MDC) . . ... 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... 105 2090 Inverter card 106 © Lenovo 2005. Portions © IBM Corp. 2005. 43
ThinkPad G40, G41 Product overview 45 Specifications 45 Status indicators 47 FRU ...the UUID 63 Reading or writing the ECA information . . . 63 Removing and replacing a FRU 65 1010 Battery pack 66 1020 Hard disk drive 67 1030 DIMM door 69 1040 DIMM 70 1050 Modem daughter card (MDC) . . ... 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... 105 2090 Inverter card 106 © Lenovo 2005. Portions © IBM Corp. 2005. 43
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...drive errors. Green: The computer is on the keyboard is not in standby mode. Green: The battery is enabled. Green: The computer is resuming normal operation. 48 ThinkPad G40, G41 Blinking green: The computer is entering standby mode or hibernation mode, or is in standby mode.... When the indicator starts blinking orange, the computer beeps three times. 7 Standby status Note: If an unauthorized battery is being read from or...
...drive errors. Green: The computer is on the keyboard is not in standby mode. Green: The battery is enabled. Green: The computer is resuming normal operation. 48 ThinkPad G40, G41 Blinking green: The computer is entering standby mode or hibernation mode, or is in standby mode.... When the indicator starts blinking orange, the computer beeps three times. 7 Standby status Note: If an unauthorized battery is being read from or...
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... Diskette drive If enabling the TrackPoint does not correct the problem, continue with the following tests in the ThinkPad Configuration program. FRU Applicable test System board 1. Diagnostics --> CPU/Coprocessor 2. Interactive Tests --> Internal Speaker ... Devices --> AC Adapter, Battery 1 LCD unit 1. Lucent Soft Modem Loopback b. If the TrackPoint is disabled, select Enable to the TrackPoint pointer. Diagnostics --> Video Adapter 2. Diagnostics --> Systemboard --> PCMCIA 2. Interactive Tests --> Diskette (continued) ThinkPad G40, G41 49 Diagnostics --> ...
... Diskette drive If enabling the TrackPoint does not correct the problem, continue with the following tests in the ThinkPad Configuration program. FRU Applicable test System board 1. Diagnostics --> CPU/Coprocessor 2. Interactive Tests --> Internal Speaker ... Devices --> AC Adapter, Battery 1 LCD unit 1. Lucent Soft Modem Loopback b. If the TrackPoint is disabled, select Enable to the TrackPoint pointer. Diagnostics --> Video Adapter 2. Diagnostics --> Systemboard --> PCMCIA 2. Interactive Tests --> Diskette (continued) ThinkPad G40, G41 49 Diagnostics --> ...
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System board. 0190 Critical low-battery error 1. IBM security password retry count exceeded. 1. Confirm supervisor password and try again. Remove one Ethernet devices are found. or press Esc to continue. 1. System board. 0231 ... Defaults in sequence 0187 EAIA data access error-The access to EEPROM is failed. Charge the battery pack. 2. Remove either a Mini PCI Ethernet card or an Ethernet daughter card; Press to ignore the warning message. 2. DIMM. 2. ThinkPad G40, G41 53 System board. 0232 Extended RAM error-Extended RAM fails at offset nnnn. 1. Hard...
System board. 0190 Critical low-battery error 1. IBM security password retry count exceeded. 1. Confirm supervisor password and try again. Remove one Ethernet devices are found. or press Esc to continue. 1. System board. 0231 ... Defaults in sequence 0187 EAIA data access error-The access to EEPROM is failed. Charge the battery pack. 2. Remove either a Mini PCI Ethernet card or an Ethernet daughter card; Press to ignore the warning message. 2. DIMM. 2. ThinkPad G40, G41 53 System board. 0232 Extended RAM error-Extended RAM fails at offset nnnn. 1. Hard...
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... BIOS Setup Utility to verify the configuration. 2. Replace the backup battery and run BIOS Setup Utility to reset the time and date. 0251 System CMOS checksum bad-Default configuration used . 1. System board. 54 ThinkPad G40, G41 System board. 0271 Date and time error-Neither the date... nor the time is dead. 1. Replace the backup battery and run BIOS Setup Utility to reset the time and date. 3. Replace the...
... BIOS Setup Utility to verify the configuration. 2. Replace the backup battery and run BIOS Setup Utility to reset the time and date. 0251 System CMOS checksum bad-Default configuration used . 1. System board. 54 ThinkPad G40, G41 System board. 0271 Date and time error-Neither the date... nor the time is dead. 1. Replace the backup battery and run BIOS Setup Utility to reset the time and date. 3. Replace the...
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... it was before the computer entered hibernation mode. 2. Operating system not 1. Diskette drive. 6. Load "Setup Defaults" in BIOS Setup Utility. 2. System board. Recharge the backup battery for one hour by connecting the ac adapter to the computer and run BIOS Setup Utility to verify the configuration. 3. System board. System board. Enter... Utility. 2. DIMM. 2. System board. System board. Check that the operating system has found. Restore the system configuration to verify the configuration. 3. Fan error. Fan. 56 ThinkPad G40, G41
... it was before the computer entered hibernation mode. 2. Operating system not 1. Diskette drive. 6. Load "Setup Defaults" in BIOS Setup Utility. 2. System board. Recharge the backup battery for one hour by connecting the ac adapter to the computer and run BIOS Setup Utility to verify the configuration. 3. System board. System board. Enter... Utility. 2. DIMM. 2. System board. System board. Check that the operating system has found. Restore the system configuration to verify the configuration. 3. Fan error. Fan. 56 ThinkPad G40, G41
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... Run the diagnostic test for damage. If no more errors exist. Turn off the computer. 2. Replace any FRUs. 3. LCD assembly 60 ThinkPad G40, G41 Remove or disconnect all attached devices are installed, or if the system simply is detected, replace the FRU shown by the computer. ... problems can be considered only when a problem recurs. Verify that have nothing to do the following FRUs one at least 10 times. 2. Battery pack e. PC Cards 4. When analyzing an intermittent problem, do with a hardware defect, such as cosmic radiation, electrostatic discharge, or software ...
... Run the diagnostic test for damage. If no more errors exist. Turn off the computer. 2. Replace any FRUs. 3. LCD assembly 60 ThinkPad G40, G41 Remove or disconnect all attached devices are installed, or if the system simply is detected, replace the FRU shown by the computer. ... problems can be considered only when a problem recurs. Verify that have nothing to do the following FRUs one at least 10 times. 2. Battery pack e. PC Cards 4. When analyzing an intermittent problem, do with a hardware defect, such as cosmic radiation, electrostatic discharge, or software ...
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... on the computer until you have to service any computer unless you have made sure that all power cords from electrical outlets, remove the battery pack, and then disconnect any notes that have been trained and certified. Be sure to replacement. Do not try to be damaged by ... numbers in place and none are loose inside the computer. For information about connecting and arranging internal cables, see "Locations" on page 61. 3. ThinkPad G40, G41 65 Remove them in the order in removing and replacing a FRU. To put the new FRU in the procedures. Verify this by using ...
... on the computer until you have to service any computer unless you have made sure that all power cords from electrical outlets, remove the battery pack, and then disconnect any notes that have been trained and certified. Be sure to replacement. Do not try to be damaged by ... numbers in place and none are loose inside the computer. For information about connecting and arranging internal cables, see "Locations" on page 61. 3. ThinkPad G40, G41 65 Remove them in the order in removing and replacing a FRU. To put the new FRU in the procedures. Verify this by using ...
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Use of the battery. 66 ThinkPad G40, G41 Removing and replacing a FRU 1010 Battery pack DANGER Use only the battery in ignition or explosion of an incorrect battery can result in the parts listing for the model you are servicing.
Use of the battery. 66 ThinkPad G40, G41 Removing and replacing a FRU 1010 Battery pack DANGER Use only the battery in ignition or explosion of an incorrect battery can result in the parts listing for the model you are servicing.