Built-in storage device

• Creating Other Drives (Modifying Partitions)
• Partitions are divided areas on your built-in storage device. Dividing the built-in storage device into more than one partition may have various advantages, such as separating the system files from your data files.
• Creating Partitions
• This topic describes how to create partitions.
• Deleting the Dedicated Partition for Rapid Wake during Recovery (Before Using the Drive Encryption Feature)
• With the default Sleep mode settings, the computer’s state is saved to the dedicated partition when your VAIO computer enters Sleep mode.

You might be looking for the following topics:

• Checking the Volume of the Recovery Area
• Removing Recovery Content to Free up Disk Space