startd buzzing and turned off ?

[timaloy]

as above,my main monitor started making a loud buzzing and then started turning off ,with the blue light still on .when i turn it off and back on it works for a few mins then goes off again ,any help apreciated ty

 

[unknownsock]

Mine does that, when i turn my system off and the monitor light flash's it buzz's with each light, presume cos mine wasn't an expensive display tbh