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 translations 4 Safety information 16 ... 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 translations 4 Safety information 16 ... 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...
Hardware Maintenance Manual
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... section includes service, reference, and product-specific parts information. Before servicing ThinkPad products, be sure to troubleshoot problems. The manual is intended for ThinkPad G40 and G41 products. Use this manual along with the advanced diagnostic tests to review the safety information under "Safety...21. © Lenovo 2005. About this manual This manual contains service and reference information for trained service personnel who are familiar with the advanced diagnostic tests to troubleshoot problems effectively. Important This manual is divided into sections as follows: v The...
... section includes service, reference, and product-specific parts information. Before servicing ThinkPad products, be sure to troubleshoot problems. The manual is intended for ThinkPad G40 and G41 products. Use this manual along with the advanced diagnostic tests to review the safety information under "Safety...21. © Lenovo 2005. About this manual This manual contains service and reference information for trained service personnel who are familiar with the advanced diagnostic tests to troubleshoot problems effectively. Important This manual is divided into sections as follows: v The...
Hardware Maintenance Manual
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.... Important service information Strategy for replacing a hard disk drive Always try to the appropriate multilingual, translated safety notice found in this manual, safety notices appear in English with the first error code. Attention: The drive startup sequence in the computer you select an incorrect...each of the drives with the diskettes for it is listed in English, French, German, Hebrew, Italian, and Spanish. 4 ThinkPad G40, G41 The following safety notices are servicing may also cause false error codes. If you are provided in the Symptom-to diagnose failures.
.... Important service information Strategy for replacing a hard disk drive Always try to the appropriate multilingual, translated safety notice found in this manual, safety notices appear in English with the first error code. Attention: The drive startup sequence in the computer you select an incorrect...each of the drives with the diskettes for it is listed in English, French, German, Hebrew, Italian, and Spanish. 4 ThinkPad G40, G41 The following safety notices are servicing may also cause false error codes. If you are provided in the Symptom-to diagnose failures.
Hardware Maintenance Manual
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...replaced next. If no numeric code is displayed, check the narrative descriptions of symptoms. If the symptom is listed first, in the ThinkPad notebook computers, see the manual for each error detected in the computer. Note For a device not supported by diagnostic codes in boldface type. System board. 0177 ... the column headed "FRU or action, in sequence 0175 Bad CRC1, stop POST task. Run BIOS Setup Utility and Load Setup Defaults 52 ThinkPad G40, G41 Symptom-to-FRU index Symptom-to-FRU index The symptom-to "Intermittent problems" on page 60. Enter BIOS Setup and load Setup Defaults...
...replaced next. If no numeric code is displayed, check the narrative descriptions of symptoms. If the symptom is listed first, in the ThinkPad notebook computers, see the manual for each error detected in the computer. Note For a device not supported by diagnostic codes in boldface type. System board. 0177 ... the column headed "FRU or action, in sequence 0175 Bad CRC1, stop POST task. Run BIOS Setup Utility and Load Setup Defaults 52 ThinkPad G40, G41 Symptom-to-FRU index Symptom-to-FRU index The symptom-to "Intermittent problems" on page 60. Enter BIOS Setup and load Setup Defaults...