Lenovo V370 User Manual page 39

If your product is not working correctly,
DO NOT RETURN IT TO THE STORE.
For technical assistance, contact a Lenovo sup-
port specialist 24 hours a day by calling toll free
1-877-4 LENOVO (1-877-453-6686).
Additionally, you can find support information
and updates on the Lenovo Web site located at
http://consumersupport.lenovo.com.
* Only for the users from the United States.