Toshiba T4400SXC Maintenance Manual page 15

Insert the diagnostics disk into
the FDD, then type A> TESTCE44
and ress ENTER.
Perform each test.
System is normal.
Perform the Floppy Disk
~-~
Drive Troubleshooting Steps
in section 2.5.
After confirming which
Yes diagnostic test detected an
error, perform the relevant
problem isolation procedures
outlined below.
Figure 2-1 Troubleshooting flowchart (2/2)
If the diagnostics program does not detect any errors, the problem may be an intermittent one.
Execute the running test program several times to isolate the problem.
After confirming which diagnostic test detected an error, perform the appropriate
troubleshooting steps below:
1. If an error is detected on the system test, memory test, display test, ASYNC test,
printer test, or real timer test, perform the system board troubleshooting steps in
section 2.4.
2. If an error is detected on the keyboard test, perform the keyboard troubleshooting
steps in section 2.7.
3. If an error is detected on the floppy disk test, perform the floppy disk drive
troubleshooting steps in section 2.5.
4. If an error is detected on the hard disk test, perform the hard disk drive
troubleshooting steps in section 2.6.
2-7