Can you boot in safe mode before going to system restore. In many instances, you dont need to put a date in as some dates are input automatically after a windows update.
Sony does not give recovery disks on purchase anymore, you must create your own.
If you really need the disks, Recovery Discs obtained from Sony® Parts and Accessories Sales include instructions for performing a system recovery on the back of the jewel case.
Before performing a recovery, go to the Sony eSupport Web site and check your model-specific support page. Look for software and driver updates or check for knowledge base solutions that may help you solve your computer's issue.
Here is the link: