Lenovo ThinkPad 390 ThinkPad 390 / i Series 1720 models Hardware Maintenance M - Page 5

Introduction, ThinkPad 390/i Series 1700 Hardware Maintenance, Manual, How to Read POST Error Messages - memory

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Contents Introduction 1 Important Service Information 1 How to Use Error Messages 2 How to Read POST Error Messages 2 Drive and Diskette Compatibility Matrix 3 Safety Notices (Multi-lingual Translations) . . . . . 4 Safety Information 11 General Safety 11 Electrical Safety 12 Safety Inspection Guide 13 Handling Electrostatic Discharge-Sensitive Devices 15 Grounding Requirements 15 Laser Compliance Statement 16 ThinkPad 390/i Series 1700 Hardware Maintenance Manual 19 Read This First 19 What to Do First 20 How to Disable the Password 21 Product Overview 21 Fn Key Combinations 22 Status Indicators 23 Checkout Guide 24 Audio Checkout 25 Diskette Drive Checkout 25 CD-ROM ASM Checkout 26 Fan ASM Checkout 27 Keyboard and Auxiliary Input Device Checkout . 27 Memory Checkout 27 Modem Board Checkout 28 Power System Checkout 28 TrackPoint Checkout 30 Power Management Features 31 Symptom-to-FRU Index 33 Numeric Error Codes 34 Error Messages 36 No Beep Symptoms 37 LCD-Related Symptoms 37 Keyboard-Related Symptoms 38 Indicator-Related Symptoms 38 Power-Related Symptoms 38 PC Card (PCMCIA)-Related Symptoms . . . . . 38 Speaker-Related Symptoms 38 Power Management-Related Symptoms . . . . . 39 Peripheral-Device-Related Symptom 39 Intermittent Problems 40 Undetermined Problems 40 CE Utility Program Diskette 41 Setting the LCD Panel ID 41 Setting the Thermal Sensor 41 Contents v

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Contents
Introduction
. . . . . . . . . . . . . . . . . . .
1
Important Service Information
...........
1
How to Use Error Messages
..........
2
How to Read POST Error Messages
......
2
Drive and Diskette Compatibility Matrix
.......
3
Safety Notices (Multi-lingual Translations)
.....
4
Safety Information
. . . . . . . . . . . . . . . .
11
General Safety
. . . . . . . . . . . . . . . .
11
Electrical Safety . . . . . . . . . . . . . . . .
12
Safety Inspection Guide
............
13
Handling Electrostatic Discharge-Sensitive Devices
15
Grounding Requirements . . . . . . . . . . . .
15
Laser Compliance Statement
...........
16
ThinkPad 390/i Series 1700 Hardware Maintenance
Manual
. . . . . . . . . . . . . . . . . . . . .
19
Read This First
..................
19
What to Do First
................
20
How to Disable the Password
.........
21
Product Overview . . . . . . . . . . . . . . . . .
21
Fn Key Combinations
.............
22
Status Indicators . . . . . . . . . . . . . . . .
23
Checkout Guide
. . . . . . . . . . . . . . . . .
24
Audio Checkout
. . . . . . . . . . . . . . . .
25
Diskette Drive Checkout
............
25
CD-ROM ASM Checkout
............
26
Fan ASM Checkout
..............
27
Keyboard and Auxiliary Input Device Checkout
.
27
Memory Checkout . . . . . . . . . . . . . . .
27
Modem Board Checkout
............
28
Power System Checkout
............
28
TrackPoint Checkout . . . . . . . . . . . . . .
30
Power Management Features
.........
31
Symptom-to-FRU Index
. . . . . . . . . . . . . .
33
Numeric Error Codes
..............
34
Error Messages
. . . . . . . . . . . . . . . .
36
No Beep Symptoms
..............
37
LCD-Related Symptoms
. . . . . . . . . . . .
37
Keyboard-RelatedSymptoms . . . . . . . . . .
38
Indicator-Related Symptoms
. . . . . . . . . .
38
Power-Related Symptoms
. . . . . . . . . . .
38
PC Card (PCMCIA)-Related Symptoms
.....
38
Speaker-Related Symptoms
. . . . . . . . . .
38
Power Management-Related Symptoms
.....
39
Peripheral-Device-Related Symptom
. . . . . .
39
Intermittent Problems
. . . . . . . . . . . . .
40
Undetermined Problems
. . . . . . . . . . . .
40
CE Utility Program Diskette
............
41
Setting the LCD Panel ID
...........
41
Setting the Thermal Sensor
..........
41
Contents
v