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## Discover Faults Using POST

The virtual keyswitch can be used to run full POST diagnostics without having to modify the diagnostic property settings. Note that POST diagnostics can take a significant amount of time to run at server reset.

1. Log in to Oracle ILOM.

   See Log In to Oracle ILOM.

2. At the Oracle ILOM `->` prompt, type:

       -> set /SYS keyswitch_state=diag

   The server is set to run full POST diagnostics on server reset.

3. To return to your normal diagnostic settings after running POST, at the Oracle ILOM `->` prompt, type:

       -> set /SYS keyswitch_state=normal

##### Related Information

- Discover Faults (Oracle ILOM)

- Locate the Server

- Clear a Fault

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