Sony VAIO RC110G (VGC-RC110G) PC Desktop "green flash upper right corner" Questions

...green screens will apper and I will have to restart the computer. this past week it has been emitting a high pitched sound. I can't use my flash drives for my camra and it sometimes will not load the ...

green light at rear near ac cord"), you have a bad Power Supply. Replace the Power Supply. If you need guidance in doing so, please state in a Comment. (Believe upper right of your page) You can buy a