Lenovo H405 Hardware Maintenance Manual page 2

Hardware Maintenance Manual
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Exiting from the Setup Utility program ................................................ 27
Chapter 7. Symptom-to-FRU Index.....................................28
Hard disk drive boot error ........................................................................... 28
Power Supply Problems ................................................................................ 29
Beep symptoms ............................................................................................... 30
POST error codes ............................................................................................. 31
Undetermined problems ............................................................................. 33
Chapter 8. Locations ...............................................................34
Locating components .................................................................................. 34
Locating connectors on the front of the computer ........................ 35
Locating connectors on the rear of the computer .......................... 36
Identifying parts on the system board .................................................. 38
Chapter 9. Replacing hardware ...........................................41
Removing the computer cover ................................................................ 41
Removing and replacing the front bezel ............................................. 42
Replacing a memory module ................................................................... 43
Replacing the hard disk drive ................................................................... 45
Replacing an optical drive .......................................................................... 46
Replacing a PCIE adapter ............................................................................. 47
Replacing the heatsink assembly............................................................. 48
Replacing the CPU ........................................................................................... 50
Replacing the motherboard ....................................................................... 53
Replacing the system fan assembly ........................................................ 54
Replacing the power supply ...................................................................... 56
Replacing the keyboard .............................................................................. 57
Replacing the mouse .................................................................................... 58
Replacing the external speaker ............................................................... 59
Completing the installation ........................................................................ 59
Chapter 10. Additional Service Information (Type G41) .....61
Power management ...................................................................................... 61
Chapter 11. Additional Service Information (Type RS760) ...62
Power management ...................................................................................... 62
Appendix. Statement .............................................................63