5-2
Troubleshooting Procedures
®
Figure 5-1 Notebook Computer Troubleshooting Flow Chart
START
COMPUTER
TROUBLE
INDICATION
?
DEAD
COMPUTER
SYMPTOMS
?
RUN
SELF TEST
ERROR
MESSAGE
?
MODEM
PROBLEM
?
RUN
DIAGNOSTICS
DIAGNOSTICS
ERROR MSG
?
NO
YES
NO
YES
See Paragraph
5.3.5
NO
YES
See Paragraphs
5.3.3.1 and 5.3.3.2
NO
See Paragraphs
5.3.1 & 5.3.2
NO
YES
See Paragraph
5.5
When Power button
is pressed, no indication
of power is present (dark
LCD, no Status icons lit,
no disk drive activity, etc.)
Press Power button;
Selftest automatically
runs when power turned on.
MPB
TROUBLE
INDICATION
?
NO
See Paragraph
5.4
Summary of Contents for Extensa 900 Series
Page 1: ...Maintenance Manual ExtensaTM 900 Series Notebook Computers 9813715 0001 December 1996 ...
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Page 138: ...A 2 Notebook Schematic Diagrams Figure A 1 Notebook Main Board Logic Diagrams Sheet 1 of 30 ...
Page 139: ...Notebook Schematic Diagrams A 3 Figure A 1 Notebook Main Board Logic Diagrams Sheet 2 of 30 ...
Page 140: ...A 4 Notebook Schematic Diagrams Figure A 1 Notebook Main Board Logic Diagrams Sheet 3 of 30 ...
Page 141: ...Notebook Schematic Diagrams A 5 Figure A 1 Notebook Main Board Logic Diagrams Sheet 4 of 30 ...
Page 142: ...A 6 Notebook Schematic Diagrams Figure A 1 Notebook Main Board Logic Diagrams Sheet 5 of 30 ...
Page 143: ...Notebook Schematic Diagrams A 7 Figure A 1 Notebook Main Board Logic Diagrams Sheet 6 of 30 ...
Page 145: ...Notebook Schematic Diagrams A 9 Figure A 1 Notebook Main Board Logic Diagrams Sheet 8 of 30 ...
Page 146: ...A 10 Notebook Schematic Diagrams Figure A 1 Notebook Main Board Logic Diagrams Sheet 9 of 30 ...
Page 147: ...Notebook Schematic Diagrams A 11 Figure A 1 Notebook Main Board Logic Diagrams Sheet 10 of 30 ...
Page 148: ...A 12 Notebook Schematic Diagrams Figure A 1 Motherboard PWB Logic Diagrams Sheet 11 of 23 ...
Page 149: ...Notebook Schematic Diagrams A 13 Figure A 1 Notebook Main Board Logic Diagrams Sheet 12 of 30 ...
Page 153: ...Notebook Schematic Diagrams A 17 Figure A 1 Notebook Main Board Logic Diagrams Sheet 16 of 30 ...
Page 154: ...A 18 Notebook Schematic Diagrams Figure A 1 Notebook Main Board Logic Diagrams Sheet 17 of 30 ...
Page 155: ...Notebook Schematic Diagrams A 19 Figure A 1 Notebook Main Board Logic Diagrams Sheet 18 of 30 ...
Page 156: ...A 20 Notebook Schematic Diagrams Figure A 1 Notebook Main Board Logic Diagrams Sheet 19 of 30 ...
Page 157: ...Notebook Schematic Diagrams A 21 Figure A 1 Notebook Main Board Logic Diagrams Sheet 20 of 30 ...
Page 158: ...A 22 Notebook Schematic Diagrams Figure A 1 Notebook Main Board Logic Diagrams Sheet 21 of 30 ...
Page 159: ...Notebook Schematic Diagrams A 23 Figure A 1 Notebook Main Board Logic Diagrams Sheet 22 of 30 ...
Page 160: ...A 24 Notebook Schematic Diagrams Figure A 1 Notebook Main Board Logic Diagrams Sheet 23 of 30 ...
Page 161: ...Notebook Schematic Diagrams A 25 Figure A 1 Notebook Main Board Logic Diagrams Sheet 24 of 30 ...
Page 166: ...A 30 Notebook Schematic Diagrams Figure A 1 Notebook Main Board Logic Diagrams Sheet 29 of 30 ...
Page 168: ......
Page 171: ...MPB Schematic Diagrams B 3 Figure B 1 MPB CPU Board Logic Diagrams Sheet 2 of 3 ...
Page 176: ...B 8 MPB Schematic Diagrams Figure B 3 MPB Main Board Motherboard Logic Diagrams Sheet 3 of 10 ...
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