Lenovo IdeaCentre B300 Hardware Maintenance Manual page 2

Hardware Maintenance Manual
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Power Supply Problems ................................................................................ 22
POST error codes ............................................................................................. 22
Undetermined problems ............................................................................. 24
Chapter 7. Locations ...............................................................25
Locating components and connectors ................................................. 25
Chapter 8. Replacing hardware ...........................................29
General information ....................................................................................... 29
Removing the computer stand ................................................................. 30
Replacing a memory module .................................................................... 32
Replacing the optical disk drive .............................................................. 34
Removing the computer cover ................................................................. 36
Replacing the hard disk drive .................................................................... 37
Replacing the bluetooth module ............................................................ 39
Removing the motherboard cover ......................................................... 40
Replacing the heatsink .................................................................................. 41
Replacing the system fan ............................................................................. 42
Replacing the microprocessor .................................................................. 43
Replacing the function panel .................................................................... 44
Replacing the WLAN card card .................................................................. 45
Replacing the speakers system ................................................................. 46
Removing the inverter board .................................................................... 47
Replacing the TV tuner card ....................................................................... 48
Removing the TV antenna connector.................................................... 49
Replacing the motherboard ....................................................................... 50
Removing the shell ......................................................................................... 51
Replacing the camera .................................................................................... 52
Replacing the touch module ..................................................................... 53
Replacing the LED panel .............................................................................. 54
Replacing the keyboard .............................................................................. 57
Replacing the mouse ..................................................................................... 58
Replacing the power cord or power adapter ..................................... 59
Chapter 9. Additional Service Information .......................60
Power management ...................................................................................... 60
Appendix. Statement .............................................................61