Lenovo IdeaCentre A700 4024 User Manual page 2

Hardware Maintenance Manual
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Chapter 6. Symptom-to-FRU Index.....................................21
Hard disk drive boot error ........................................................................... 21
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
Removing the computer cover ................................................................. 32
Removing the motherboard cover ......................................................... 33
Replacing the hard disk drive .................................................................... 33
Replacing the optical disk drive ............................................................... 35
Replacing a memory module .................................................................... 37
Replacing connectors module .................................................................. 38
Replacing the system fans ........................................................................... 40
Replacing the heatsink .................................................................................. 41
Removing the inverter board .................................................................... 42
Replacing the touch module ..................................................................... 43
Replacing the bluetooth module ............................................................ 44
Replacing the WLAN card card................................................................. 45
Replacing the TV tuner card card ............................................................. 45
Replacing the speakers system ................................................................. 46
Replacing the motherboard ....................................................................... 47
Replacing the LED panel .............................................................................. 48
Replacing the camera .................................................................................... 50
Replacing the keyboard .............................................................................. 52
Replacing the mouse ..................................................................................... 53
Replacing the power cord or power adapter ..................................... 54
Chapter 9. Additional Service Information .......................55
Power management ...................................................................................... 55
Appendix. Statement .............................................................56