Hi my name is ***** ***** I will be the expert working with you today to help and resolve the problem you have posted.
I am sorry to know that you are facing problem with your computer, please let me know the make and model.
Thank you for providing the detail. I would like to know how old is the laptop?
let me know the time you will be available so that i can run few diagnostics to check and identify the problem.
let me know when you would be available so that i can be online and will check the power option settings and will fix it accordingly.
please restart laptop and on samsung logo tap the f8 key
if it reaches advanced boot options menu select safe mode and hit enter
let me know if you reach safe mode desktop or not