Hello my name is***** will be assisting you today. I am sorry to hear that you are having such trouble. I will try my best to help you.
Sir/Ma’am please provide the following details so that I can help you better
1. Which is the operating system installed in the PC.Is it windows Xp, Windows Vista, Windows 7, windows 8 or any other
2.Do you get any error message on the screen or just blank screen?
3.Does this blank screen shows after you login?
Sir/Ma'am checking to see whether you still need my help if so please let me know by answering the above questions so that I can help you better.