It's easy to reset your T680 computer back to its factory settings. Just follow these simple steps:
1. From the Start menu, click on the Control Panel.
2. In the Control Panel, click on the System and Maintenance category.
3. Under the heading of System and Maintenance, click on the link for Backup and Restore Center.
4. On the left hand side of the Backup and Restore Center window, click on the link that says Restore my files.
5. On the next screen, select Return your computer to an earlier time and then click Next.
6. Select a date from the calendar on which you would like to restore your computer's settings and then click Next. Your computer will restart and all of your programs and files will be reverted back to how they were on that date