MSI HETIS H61 ULTRA - Manual (Page 46)

System Operations
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7. DO NOT turn off the system power while performing the system recovery function, or
it may cause unknown damage to the system.
8. The following message indicates successful system recovery. Press [OK] to restart
the system and access the Windows operating system as usual.
9. If the recovery process is interrupted or failed, please repeat the recovery procedures
from the beginning.