Lenovo B520 Lenovo IdeaCentre B520 Hardware Maintenance Manual - Page 1

Lenovo B520 Manual

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Contents Contents Chapter 1. About this manual 1 Important Safety Information 1 Important information about replacing RoHS compliant FRUs... 2 Chapter 2. Safety information 4 General safety...4 Electrical safety...5 Safety inspection guide 7 Handling electrostatic discharge-sensitive devices 8 Grounding requirements 8 Safety notices...9 Chapter 3. General information 12 Specifications...12 Chapter 4. General Checkout 13 Problem determination tips 14 Chapter 5. Using the Setup Utility 15 Starting the Setup Utility program 15 Viewing and changing settings 15 Using passwords 16 Selecting a startup device 18 Exiting from the Setup Utility program 19 Chapter 6. Symptom-to-FRU Index 20 Hard disk drive boot error 20 Power Supply Problems 20 Beep symptoms 21 POST error codes 21 i

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Contents
i
Contents
Chapter 1. About this manual
................................................
1
Important
Safety Information
......................................................................
1
Important information about replacing RoHS compliant FRUs ..2
Chapter 2. Safety information
................................................
4
General safety
.......................................................................................................
4
Electrical safety
....................................................................................................
5
Safety inspection guide
...................................................................................
7
Handling electrostatic discharge-sensitive devices
.........................
8
Grounding requirements
...............................................................................
8
Safety notices
........................................................................................................
9
Chapter 3. General information
...........................................
12
Speciļ¬cations
.....................................................................................................
12
Chapter 4. General Checkout
...............................................
13
Problem determination tips
.......................................................................
14
Chapter 5. Using the Setup Utility
......................................
15
Starting the Setup Utility program
.........................................................
15
Viewing and changing settings
................................................................
15
Using passwords
..............................................................................................
16
Selecting a startup device
...........................................................................
18
Exiting from the Setup Utility program
................................................
19
Chapter 6. Symptom-to-FRU Index
.....................................
20
Hard disk drive boot error
...........................................................................
20
Power Supply Problems
................................................................................
20
Beep symptoms
................................................................................................
21
POST error codes
.............................................................................................
21