IBM 2388 Hardware Maintenance Manual - Page 3
Contents - battery
UPC - 000435123473
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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 General safety 16 Electrical safety 17 Safety inspection guide 19 Handling devices that are sensitive to electrostatic discharge 20 Grounding requirements 21 Laser compliance statement 21 General descriptions 25 Read this first 25 What to do first 25 Related service information 28 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-FRU index 52 Numeric error codes 52 Error messages 56 Beep symptoms 58 No-beep symptoms 58 LCD-related symptoms 59 Intermittent problems 60 Undetermined problems 60 FRU replacement 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. Portions © IBM Corp. 2005. iii