How to Boot a Lenovo Thinkvantage PC into Safe Mode or when Thinkvantage Applications are Disabled

1. First, reboot your PC and then on the initial boot screen a message should display that instructs you to press a 'key' in order to enter 'Setup'. This message refers to keys on your keyboard and the key you are instructed to press is usually Del, F2 ro F10.
2. Press the key specified and and the display will be redirected to the Bios setup pages for the motherboard.
3. Next, navigate through the Bios setup pages in order to find the Security Chip configuration and then disable the Security Chip feature. The navigation instructions are usually located either on the lower part of the page or on one of the sides of the page, and involve using the arrow keys, along with Tab, Home, End, Page Up and Page Down to move through pages and select changes.
4. Now save the changes (usually by pressing F10 however or by navigating to the Save option in the menus).
5. Reboot the laptop into normal operation and you should now be able to login without Thinkvantage related errors.