Its very nice notebook I am using it last 2 years, i didnt get any problem with this its speed is too good and especially its screen size is too big I can watch movies on this without any problem.i have installed all the windows on my laptop once all the windows worked well without any problem.now I am posting this review from my dell inspiron 15 3543 only .its very easy to use and its service is too good once my laptops charger was fused, within one week my fuse charger was exchanged with new one from the company.its cost is too les so any one can buy this laptop its ram with 4gb is too high for me I didnt get any problem in using my laptop.its very easy to use its quality is too good comparing other laptops .and its battery charges fully in 2 to 3 hrs. only.