Lenovo 5068, 7567, 7558 manual Contents

Contents

Chapter 1. About this manual	.	1
Important Safety Information	.	1
Chapter 2. Safety information	.	3
General safety	.	3
Electrical safety	.	3
Safety inspection guide	.	5
Handling electrostatic discharge-sensitive
devices	.	5
Grounding requirements	.	6
Safety notices (multi-lingual translations) . . . .	.	6
Chapter 3. General information . . . .		29
Lenovo ThinkVantage Tools		29
Lenovo Welcome		29
Lenovo ThinkVantage Toolbox		29
Additional information resources		29
Specifications		30
Chapter 4. General Checkout		31
Problem determination tips		31
Chapter 5. Troubleshooting and
diagnostics		33
Basic troubleshooting		33
Troubleshooting procedure		34
Troubleshooting		35
Audio problems		35
CD problems		36
DVD problems		37
Intermittent problems		39
Keyboard, mouse, or pointing device
problems		39
Monitor problems		41
Networking problems		42
Option problems		45
Performance and lockup problems		46
Printer problems		47
Serial port problems		47
Software problems		48
USB problems		49
Diagnostics		49
Lenovo ThinkVantage Toolbox		49
PC-Doctor for DOS		50
Chapter 6. Using the Setup Utility
program		53
Starting the Setup Utility program		53

Viewing and changing settings	53
Using passwords	53
Password considerations	53
Power-On Password	54
Administrator Password	54
Setting, changing, and deleting a password .	54
Enabling or disabling a device	54
Selecting a startup device	55
Selecting a temporary startup device . . . .	55
Selecting or changing the startup device
sequence	55
Exiting the Setup Utility program	55

Chapter 7. Symptom-to-FRU Index . .	57
Hard disk drive boot error	57
Power Supply Problems	57
Diagnostic error codes	58
Beep symptoms	75
POST error codes	75
Miscellaneous error conditions	76
Undetermined problems	78

Chapter 8. Replacing FRUs	79
Locating connectors, controls, and indicators on
the front of your computer	80
Locating connectors on the rear of your
computer	81
FRU locations	82
System board parts and connectors	84
Removing and reinstalling the system stand hinge
cover	85
Removing and reinstalling the system stand . . .	86
Removing and reinstalling the foot stands . . . .	88
Removing the computer cover	91
Replacing the hard disk drive	92
Replacing the optical drive	94
Removing the VESA mount bracket	95
Replacing the rear I/O assembly	96
Removing and reinstalling the system board
shield	98
Replacing the power supply	99
Replacing the microprocessor fan	100
Replacing the heat sink assembly	101
Replacing the microprocessor	103
Replacing the card reader	106

Opening the system board shield window . . . . 107 Replacing the battery . . . . . . . . . . . . 108 Replacing the inverter . . . . . . . . . . . . 109

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