Step 5
This step starts the Online Diagnostics in concurrent mode.
1. Log on as root or as superuser.
2. Enter the diag command.
3. Wait until the Diagnostic Operating Instructions are displayed, or wait for three
minutes.
Are the Diagnostic Operating Instructions displayed without any obvious
console display problems?
NO Do the following steps to shut down the system:
1. At the system prompt, stop the operating system using the appropriate
command for your operating system.
2. After the operating system is stopped, turn off the system unit.
3. Go to “Step 6.”
YES Go to “Step 9” on page 158.
Step 6
This step loads Online Diagnostics in service mode. If you are unable to load the
diagnostics, go to “Step 7” on page 158.
1. Turn on the power.
2. When the keyboard indicator appears, press the numeric 6 key on the keyboard
to indicate that diagnostics are to be loaded.
3. Enter requested passwords.
4. Follow instructions to select a console.
Did the Diagnostics Operating Instructions display without any obvious display
problem?
NO Go to “Step 7” on page 158.
YES Go to “Step 9” on page 158.
Chapter 8. Hardware Problem Determination 157