Lenovo 40221GU Hardware Maintenance Manual page 2

Hardware Maintenance Manual
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Chapter 1. (Type Intel) Using the Setup Utility ................22
Starting the Setup Utility program ......................................................... 22
Viewing and changing settings ................................................................ 22
Using passwords .............................................................................................. 23
Selecting a startup device ........................................................................... 25
Exiting from the Setup Utility program ................................................ 26
Chapter 1. (Type AMD) Symptom-to-FRU Index .............27
Hard disk drive boot error ........................................................................... 27
Power Supply Problems ................................................................................ 28
POST error codes ............................................................................................. 28
Undetermined problems ............................................................................. 30
Chapter 1. (Type Intel) Symptom-to-FRU Index ..............31
Hard disk drive boot error ........................................................................... 31
Power Supply Problems ................................................................................ 32
POST error codes ............................................................................................. 32
Undetermined problems ............................................................................. 34
Chapter 1. Locations ...............................................................35
Locating components and connectors ................................................. 35
Chapter 1. Replacing hardware ...........................................38
General information ....................................................................................... 38
Replacing a memory module ................................................................... 39
Removing the computer cover ................................................................ 42
Replacing the power board ........................................................................ 45
Replacing the speaker system ................................................................... 49
Replacing the hard disk drive .................................................................... 50
Replacing an optical drive ........................................................................... 53
Replace the Inverter board ......................................................................... 56
Replacing the system fan ............................................................................. 58
Replacing the camera .................................................................................... 59
Replacing the wireless card ........................................................................ 61
Replacing the TV tuner card ....................................................................... 62
Replacing the CPU heat sink ...................................................................... 63
Replacing the system board ....................................................................... 66