Sony PCG-GRX670 User Manual page 172

Your system may include one or more System Recovery CDs. If you have more than one System Recovery CDs,
insert the first CD to run the System Recovery program. You are prompted to insert the second CD once the information
from the first CD has been installed.
The recovery process takes 30 to 60 minutes to complete.
After recovering your system using the System Recovery CD(s), you may be prompted to insert your Application Recovery
CD(s) after restarting the Windows operating system. Insert the Application Recovery CD to automatically complete
recovery of your system.
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