Toshiba PROL550 manual 1Troubleshootingflowchart2/2

2￿Troubleshooting￿Procedures￿

A

Does￿typed￿characters￿appear￿correctly?

Insert￿USB￿memory9:;￿disk.￿Then￿run￿the

diagnostics￿test￿program

Is￿the￿diagnostics￿test￿loaded?

Allow￿each￿test9:; ￿to￿perform

automatically

Is￿an￿error￿detected￿by￿any￿of￿the

diagnostics￿tests?

System￿is￿normal

End<=

Perform￿the￿Keyboard

Troubleshooting￿procedures

<=in￿section￿2.6

Perform￿the￿FDD

Troubleshooting￿procedures

<=in￿section￿2.5

After￿confirming￿which

diagnostics￿test￿has￿detected

an￿error,￿perform￿the appropriate￿procedure￿as

9:;outlined￿below.

￿

Figure￿2-1￿Troubleshooting￿flowchart￿(2/2)￿

￿￿￿￿￿￿￿￿￿

SATELLITE￿L550/PROL550￿SERIES￿MAINTENANCE￿MANUAL￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿6￿