Step 4Diagnostic tests can be run on many resources while the operating system is running.However, you can obtain more extensive problem isolation by running OnlineDiagnostics in Service mode.Do you want to run the Online Diagnostics in Service mode?NO Go to “Step 5”.YES Do the following to shut down your system:1. At the system prompt, stop the operating system using theshutdown command for your operating system.2. After the operating system is stopped, turn off the system unit.3. Go to “Step 6”.Step 5This step invokes the Online Diagnostics in concurrent mode.1. Log in as root user.2. Enter the diag command.3. Wait until the Diagnostic Operating Instructions are displayed, or wait for threeminutes.Are the Diagnostic Operating Instructions displayed without any obvious consoledisplay problems?NO Do the following to shut down your system:1. At the system prompt, stop the operating system using the propercommand 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 151.Step 6This step loads Online Diagnostics in service mode. If you are unable to load thediagnostics, go to “Step 7” on page 151.1. Turn on the power.2. When the keyboard indicator (icon or text) appears, press F6 on the directlyattached keyboard, or 6 on the ASCII terminal keyboard, to indicate that diagnosticsare to be loaded.3. Enter any requested passwords.4. Follow any instructions to select a console.Did the Diagnostics Operating Instructions display without any obvious displayproblem?150 User’s Guide
