1) Issues regarding charging. The laptop fails to charge. Based on diagnostic, they say something to do with the internals. Battery and power brick is fine. SSD, CPU and RAM also fine.

2) No box and receipt
3) Wear and tear, screen have some scratches, some rubber around the edge has come off
4) No warranty, since April 2012

This is a Lenovo U300s Ultrabook - 256GB SSD, Core i7 2nd gen, 4GB RAM