Lenovo products registration page explore all laptops & ultrabooks narrow your choices by category and find the laptop you truly want. Please send your registration request and information below to our registration team at svc_kr@lenovo.com. base warranty registration is not laptops. Find & buy the right laptop, tablet, desktop or server. build your own pc today or call our sales team 1-855-2-lenovo (1-855-253-6686).. Welcome to the warranty upgrade registration page. important:registration is required to activate the service you have purchased. it is highly recommended to register. Lenovo's world class warranty provides flexible services for enterprises to personal computing customers.