Compal ACY25 series Service Manual page 120

Insert the diagnostics disk into FDD.
Then run the diagnostics test program.
Is the diagnostics test loaded?
Allow each test to perform
automatically
Is an error detected by any of the
diagnostics tests?
System is normal
Chapter
6-3
A
Yes
Yes
Yes
Yes
No
End
Figure 6-1 Troubleshooting flowchart (2/2)
Perform the keyboard
Troubleshooting procedures
No
in section 6-5
Perform the FDD
Troubleshooting procedures
No
in section 6-4
After confirming which
diagnostics test has detected
an error, perform the
appropriate procedure as
outlined below.