Lenovo IdeaCentre B520 - Manual (Page 2)

Hardware Maintenance Manual
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Chapter 7. Locations ...............................................................22
Locating components and connectors ................................................. 22
Chapter 8. Replacing hardware ...........................................28
General information ....................................................................................... 28
Removing the computer cover ................................................................. 29
Removing the back deco ............................................................................. 30
Removing the computer stand ................................................................. 31
Replacing a memory module .................................................................... 32
Replacing the optical drive ......................................................................... 34
Replacing the hard disk drive .................................................................... 37
Replacing the bluetooth module ............................................................ 38
Removing the EMI cover .............................................................................. 39
Replacing the converter board ................................................................. 40
Replacing the system fan ............................................................................. 41
Replacing the heatsink .................................................................................. 42
Replacing the CPU ........................................................................................... 43
Replacing the rear I/O module .................................................................. 46
Replacing the speaker system ................................................................... 47
Replacing the 3D module ............................................................................ 48
Replacing the TV tuner card ....................................................................... 49
Replacing the WLAN card ............................................................................ 50
Replacing the power supply ...................................................................... 52
Replacing the touch module ..................................................................... 53
Replacing the motherboard ....................................................................... 54
Replacing the LED panel .............................................................................. 55
Replacing the keyboard ............................................................................... 56
Replacing the mouse ..................................................................................... 57
Replacing the power cord ........................................................................... 58
FRU lists................................................................................................................. 59
Chapter 9. Additional Service Information .......................69
Power management ...................................................................................... 69
Automatic configuration and power interface (ACPI) BIOS ........................... 69
Automatic Power-On features ...................................................................................... 69
Appendix. Statement .............................................................70