There are so many users of Dell computers because of its best price. With Dell computers, users get advanced facilities at a good
price with long battery life. However,
there are some issues with it and users looks for help to resolve the problem. dell support number is always reachable
through which customers can get in touch with customer care. Usually, the hassles occur with the windows 10. Some users face trouble to boot the Dell computer on windows 10. If you are unable
to boot the computer on Windows 10 then follow
the instructions given below. 

Source : http://www.slideboom.com/presentations/2115418/How-to-Fix-When-Dell-Computer-Won%E2%80%99t-Boot