As it is within the normal Warranty Period, get in touch with whoever you bought it from ASAP. Not Lenovo unless you bought it directly from them.
I'm afraid that you may have to wait several weeks.
I would advise against any visit to it's innards
OnePlus 5 review
Alice Saey's mesmerising animation for Dutch singer Mark Lotterman
iPad Pro 10.5in (2017) review
Comment booster votre iPhone ?