Lenovo 7390 User Manual download pdf (Page 40)

Accessing system board components

You might need to remove the drive bay assembly to access system board

components such as memory, the battery, and CMOS.

To access system board components and the drives:

1. Remove the computer cover. See “Removing the cover” on page 20.

2. Remove the front bezel by releasing the three tabs and pivoting the bezel

forward to remove completely.

3. Remove the two screws at the front of the chassis securing the drive bay

assembly.

22 User Guide

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 89 90

User Guide 1
Lenovo 3000 J Series 1
Lenovo 3000 J Series 3
Contents 5
Appendix A. Manual modem 6
General safety guidelines 8
Service and upgrades 8
User Guide 10
Voltage-selection switch 11
Plugs and outlets 11
External devices 12
Batteries 12
Operating environment 13
Lithium battery notice 14
Modem safety information 15
Laser compliance statement 15
Power supply statement 16
Data safety 16
Cleaning and maintenance 16
Introduction 17
Comfort 19
Glare and lighting 19
Air circulation 20
Connecting your computer 21
4 User Guide 22
6 User Guide 24
Turning on power 26
Completing important tasks 26
10 User Guide 28
Features 29
12 User Guide 30
Available options 32
Specifications 33
Tools required 34
18 User Guide 36
Obtaining device drivers 37
Removing the cover 38
Locating components 39
22 User Guide 40
24 User Guide 42
Installing memory 44
Installing PCI adapters 45
28 User Guide 46
Padlock 47
Password protection 47
Changing the battery 47
30 User Guide 48
32 User Guide 50
34 User Guide 52
36 User Guide 54
38 User Guide 56
Solving recovery problems 57
40 User Guide 58
Using passwords 59
Password considerations 59
User Password 60
Administrator Password 60
Advanced settings 62
Using system programs 63
46 User Guide 64
Basic troubleshooting 65
Diagnostic programs 66
PC-Doctor for Windows 67
PC-Doctor for DOS 67
50 User Guide 68
PC-Doctor for Windows PE 69
Cleaning the mouse 69
Optical mouse 69
Non-optical mouse 70
54 User Guide 72
Information resources 73
Online Books folder 73
Lenovo Care 73
Access Help 74
Safety and warranty 74
Help and service 75
Calling for service 75
Using other services 76
Basic AT commands 77
60 User Guide 78
Extended AT commands 79
62 User Guide 80
Fax Class 1 commands 81
Fax Class 2 commands 81
Voice commands 82
66 User Guide 84
Appendix B. Notices 85
Television output notice 86
Trademarks 86
70 User Guide 88
Part Number: 41X8053 90
Printed in USA 90
(1P) P/N: 41X8053 90

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Lenovo 7390 User Manual Page 40

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