Lenovo 3000 C305 All-In-One - Manual (Page 2)

Hardware Maintenance Manual
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Chapter 6. Symptom-to-FRU Index.....................................22
Hard disk drive boot error ........................................................................... 22
Power Supply Problems ................................................................................ 23
Beep symptoms ............................................................................................... 24
POST error codes ............................................................................................. 25
Undetermined problems ............................................................................. 27
Chapter 7. Locations ...............................................................28
Locating components and connectors ................................................. 28
Chapter 8. Replacing hardware ...........................................31
General information ....................................................................................... 31
Replacing a memory module ................................................................... 32
Removing the computer cover ................................................................ 35
Replacing the power board ........................................................................ 38
Replacing the speaker system ................................................................... 42
Replacing the hard disk drive .................................................................... 43
Replacing an optical drive ........................................................................... 47
Replace the Inverter board ......................................................................... 49
Replacing the system fan ............................................................................. 51
Replacing the camera .................................................................................... 53
Replacing the wireless card ........................................................................ 54
Replacing the TV tuner card ....................................................................... 55
Replacing the CPU heat sink ...................................................................... 57
Replacing the system board ....................................................................... 59
Replacing the keyboard and mouse ...................................................... 61
Replacing the Mouse ..................................................................................... 62
Replacing the power cord or power adapter ..................................... 63
Completing the installation ....................................................................... 64
Chapter 9. Additional Service Information .......................66
Power management ...................................................................................... 66
Appendix. Statement .............................................................67