tried to reboot

Hi billie 714,1. What exactly do you mean when you say ‘my monitor won’t stay on’?2. Do you get blank screen or any error message when you turn on the monitor?3. Since when are you facing this issue?4. Were there any changes made prior to this issue?Make sure you have plugged in the cable properly and check for the issue.Please refer to the below mentioned link prior to posting a question so that you may provide all the relevant information, for us to help you:http://support.microsoft.com/kb/555375Regards, Manasa P – Microsoft Support.