Removing the internal speaker ..................47
Installing the internal speaker ..................47
Removing and replacing Tier 2 CRUs ................48
Removing and installing internal drives ...............48
Removing the hard disk drive fan .................54
Installing the hard disk drive fan .................55
Removing the rear fan .....................57
Installing the rear fan .....................58
Removing the expansion slot fan .................59
Installing the expansion slot fan..................60
Removing the mini-PCI Express adapter ..............60
Installing the mini-PCI Express adapter ...............62
Removing the power switch/LED assembly .............63
Installing the power switch/LED assembly ..............64
Removing the front card/bracket assembly..............65
Installing the front card/bracket assembly ..............66
Removing and replacing FRUs ...................67
Removing the front adapter-retention bracket .............67
Installing the front adapter-retention bracket .............68
Removing the rear adapter-retention bracket .............69
Installing the rear adapter-retention bracket .............70
Removing the DIMM fan assembly ................70
Installing the DIMM fan assembly .................73
Removing the microprocessor and fan sink .............75
Installing the microprocessor and fan sink ..............77
Removing the power supply ...................80
Installing the power supply ...................82
Removing the system board ...................84
Installing the system board ...................85
Chapter 5. Diagnostics .....................87
Diagnostic tools ........................87
POST ............................87
POST beep codes ......................87
Error logs ..........................93
POST error codes .......................94
Troubleshooting tables .....................107
CD or DVD drive problems ...................108
Diskette drive problems ....................109
General problems ......................109
Hard disk drive problems ....................110
Intermittent problems .....................110
Keyboard, mouse, or pointing-device problems ............111
Memory problems ......................112
Microprocessor problems....................112
Monitor or video problems ...................112
Optional-device problems ...................114
Power problems .......................115
Printer problems .......................116
Serial port problems .....................116
Software problems ......................117
USB port problems ......................117
Error LEDs ..........................119
Power-supply LEDs.......................120
Diagnostic programs, messages, and error codes ...........122
Running the diagnostic programs.................122
iv IBM IntelliStation Z Pro Type 9228 and 9232: Problem Determination and Service Guide