Problem regarding start up

akhi - Jun 20, 2016 at 08:43 AM
my hp laptop has been os installed as windows 7 and from last few days it makes continous beeping sound during start up,then the os loads after that i cant select any thing properly the icons in menu,taskbar and desktop gets blinking on their own and i am not able to select them properly.what is the issue?how can i solve it?please help.