Dell P09T If PSA is not invoked:

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Using Support Tools
If you are experiencing memory issues, c.
press <y>, otherwise press <n>.
The following message is displayed d.
“Booting Dell Diagnostic
Utility Partition. Press any
key to continue.”
Press any key to continue. The e. Choose An
Option window appears.
If PSA is not invoked:
Press any key to start the Dell Diagnostics
from the diagnostics utility partition on your
hard drive and to go to the Choose An Option
window.
Select the test you want to run.4.
If a problem is encountered during a test, 5.
a message appears with an error code and
a description of the problem. Write down
the error code and problem description
and contact Dell (see “Contacting Dell” on
page 61).
NOTE: The Service Tag for your computer
is displayed at the top of each test screen.
The Service Tag helps you identify your
computer when you contact Dell.
When the tests are complete, close the test 6.
screen to return to the Choose An Option
window.
To exit the Dell Diagnostics and to restart the 7.
computer, click Exit.