Lenovo ThinkStation P520 Hardware Maintenance Manual page 101

4. Follow the instructions on the screen.
– Use the Windows recovery environment by doing one of the following:
– After several consecutive failed boot attempts, the Windows recovery environment might start
automatically. Follow the instructions on the screen to choose the appropriate recovery solution.
– Select the recovery medium you created earlier with the Windows tool as the startup device. See
"Selecting a temporary startup device" on page 74. Then, follow the instructions on the screen to
choose the appropriate recovery solution.
• Use the recovery USB key provided by Lenovo to restore the entire storage drive to the factory-default
settings.
– If your computer comes with the recovery USB key, follow the instructions shipped with the USB key.
– If your computer does not come with the recovery USB key, contact the Lenovo Customer Support
Center to order a recovery USB key. See "Calling for service" on page 206.
.
Chapter 7 Troubleshooting, diagnostics, and recovery
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