Texas Instruments 660 - Manual (Page 62)

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
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.
NO
SEE PARAGRAPH
5.4
Yes
PORT REPLICATOR
PROBLEMS?
ATTACH DESKTOP
DEVICES DIRECTLY
TO NOTEBOOK TO
ISOLATE PORT
REPLICATOR PROBLEMS