Lenovo PC 300 Hardware Maintenance Manual (HMM) for Aptiva, IBM PC300, and Net - Page 62

Table 2-3 Error Symptoms List, Execute a system test Diagnostics/All Tests in PC

Get Lenovo PC 300 PDF manuals and user guides View all Lenovo PC 300 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 62 highlights

Table 2-3 Error Symptoms List Error Symptoms Action/FRU NOTE: To diagnose a problem, first find the error symptom in the left column. If directed to a check procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed in right column is the most likely cause. Processor NOTE: Normally, the processor fan should be operative, and the processor clock setting should be exactly set to match its speed requirement before diagnosing any processor problems. Processor fan does Make sure that the system is not in power saving mode. not run but power See "Power Management Setup" on page 48. supply fan runs. With the system power on, measure the voltage of processor fan connector FN. (See "Power Supply Cable Connector Specifications" on page 127 and refer to Parts/Test Point Locations on page 111.) Its reading should be +12Vdc. Processor fan. System board. Processor test failed. Processor. System board. System Board NOTE: Ensure that the memory modules are installed properly and the contact lead is clean before diagnosing any system problems. Memory test failed. "Memory" on page 74 System board Incorrect memory size shown or repeated during POST. Insert the memory modules in the DIMM sockets properly, and then reboot the system. Memory module. See the "Step 005" of "Memory" on page 74 to replace memory module. System board. System works but Load default settings. fails to enter power saving mode when In Win98, check settings in Control Panel Power utility. the "Power Reload software from Recovery CD. Management" is set to [Enabled], and power saving timer set in BIOS has elapsed. System hangs "Index of Symptoms, Messages, Error Codes, or Beeps" on before system boot. page 57. "Undetermined Problems" on page 80. System hangs after Execute a system test ("Diagnostics/All Tests" in PC- system boot. Doctor diagnostics program) and set it to stop at "Halt on Error" to see the potential cause of the problem. "Undetermined Problems" on page 80. 62

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
62
Table 2-3 Error Symptoms List
Error Symptoms
Action/FRU
NOTE: To diagnose a problem, first find the error symptom in the left column. If
directed to a check procedure, replace the FRU indicated in the check
procedure. If no check procedure is indicated, the first Action/FRU listed in right
column is the most likely cause.
Processor
NOTE: Normally, the processor fan should be operative, and the processor
clock setting should be exactly set to match its speed requirement before
diagnosing any processor problems.
Processor fan does
not run but power
supply fan runs.
Make sure that the system is not in power saving mode.
See “Power Management Setup” on page 48.
With the system power on, measure the voltage of
processor fan connector FN. (See “Power Supply Cable
Connector Specifications” on page 127 and refer to
Parts/Test Point Locations on page 111.) Its reading should
be +12Vdc.
Processor fan.
System board.
Processor test
failed.
Processor.
System board.
System Board
NOTE: Ensure that the memory modules are installed properly and the contact
lead is clean before diagnosing any system problems.
Memory test failed.
“Memory” on page 74
System board
Incorrect memory
size shown or
repeated during
POST.
Insert the memory modules in the DIMM sockets properly,
and then reboot the system.
Memory module. See the “Step 005” of
“Memory” on page
74 to replace memory module.
System board.
System works but
fails to enter power
saving mode when
the “Power
Management” is set
to [Enabled], and
power saving timer
set in BIOS has
elapsed.
Load default settings.
In Win98, check settings in Control Panel Power utility.
Reload software from Recovery CD.
System hangs
before system boot.
“Index of Symptoms, Messages, Error Codes, or Beeps” on
page 57.
“Undetermined Problems” on page 80.
System hangs after
system boot.
Execute a system test (“Diagnostics/All Tests” in PC-
Doctor diagnostics program) and set it to stop at “Halt on
Error” to see the potential cause of the problem.
“Undetermined Problems” on page 80.