Lenovo 1869CSU User Manual - Page 3
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Contents About this manual 1 Introduction 3 Important service information 3 Strategy for replacing FRUs 3 Strategy for replacing a hard disk drive . . . . . 4 Important notice for replacing a system board . . . 4 How to use error messages 4 Strategy for replacing FRUs for CTO, CMV, and GAV 4 Product definition 4 FRU identification for CTO, CMV, and GAV products 5 Important information about replacing RoHS compliant FRUs 7 Diskette compatibility matrix 8 Safety notices: multilingual translations 8 Safety information 20 General safety 20 Electrical safety 21 Safety inspection guide 23 Handling devices that are sensitive to electrostatic discharge 24 Grounding requirements 25 Laser compliance statement 26 General descriptions 29 Read this first 29 What to do first 29 Related service information 31 Service Web site 31 Restoring the pre-installed system 31 Passwords 32 Power management 34 Checkout guide 37 Testing the computer 37 Detecting system information with PC-Doctor. . . 40 Power system checkout 40 ThinkPad X41 Tablet 45 Product overview 47 Specifications 47 Status indicators for X41 Tablet 49 FRU tests 51 Fn key combinations 53 Symptom-to-FRU index 55 Numeric error codes 55 Error messages 63 Beep symptoms 65 No-beep symptoms 65 LCD-related symptoms 66 Intermittent problems 67 © Lenovo 2006. Portions © IBM Corp. 2006. iii