I had a warranty on my Lenovo laptop included for which a guy came to my house and replaced the defective part at no extra cost - within 3 days of reporting it

I had a warranty on my Lenovo laptop included for which a guy came to my house and replaced the defective part at no extra cost - within 3 days of reporting it and almost 3 years after buying the laptop. The laptop cost me around 1200 Euro in total.