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Acer Aspire 9420 - Page 10

Acer Aspire 9420
116 pages
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TOC X
Chapter Four Troubleshooting 72
System Check Procedures . . . . . . . . . . . . 73
External Diskette Drive Check . . . . . . . . . . . 73
External CD-ROM Drive Check . . . . . . . . . . . 73
Keyboard or Auxiliary Input Device Check . 73
Memory Check . . . . . . . . . . . . . . . . . . . . . . . 73
Power System Check . . . . . . . . . . . . . . . . . . . 74
Check the Power Adaptor . . . . . . . . . . . . . . 74
Check the Battery Pack . . . . . . . . . . . . . . . . . 74
Touchpad Check . . . . . . . . . . . . . . . . . . . . . . 75
Power-On Self-Test (POST) Error Message
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Index of Error Messages . . . . . . . . . . . . . 77
Error Message List . . . . . . . . . . . . . . . . . . . . . 77
Phoenix BIOS Beep Codes . . . . . . . . . . . . 78
Index of Symptom-to-FRU Error Message
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Intermittent Problems . . . . . . . . . . . . . . 86
Undetermined Problems . . . . . . . . . . . . . 87
Chapter Five Jumper and Connector Location 88
Top View . . . . . . . . . . . . . . . . . . . . . . . . . 88
Bottom View . . . . . . . . . . . . . . . . . . . . . . 90
Chapter Six FRU (Field Replaceable Unit) List 91
Exploded Diagram . . . . . . . . . . . . . . . . . 92
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

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