Beginning in mid, a hidden partition on the hard driveaccessible at boot via the BIOS or within Windows via an utility was used instead of recovery media for many Vaio laptops. Pressing [F10] at the Vaio logo during boot-up will cause the notebook to boot from the recovery partition; where the user has Sony Vaio VPCF13CGX Notebook choice of either running hardware diagnostics without affecting the installed system, or restoring re-imaging the hard drive to factory condition — an option[…]