Dell is a trusted company providing several bransds of laptop. Dell inspiron 15 7560( Z561503SIN9) is one of the laptop made by Dell co. and me and my colleage has purchased it. It is having 8 GB Ram, 15.6 inch screen, 1 TB HDD, windows 10 in-built, 64 Bit operating system etc. It is 7th Gen Intel® Core™ i7-7500U. Price range between 78k to 83k. But there is a problem in my laptop. It often hangs when I do some programming in .Net and SQL Server. Every month I need to format it. Then it works properly. But my friends laptop is working well. They dont have any problem with their laptop.