It's because if the picture is smaller than your desktop (screen) then the pixels have to expand to fit the space, making it appear blurry.
No, the computer screen shouldn't be blurry it might have a problem internally or could be dirty.
You probably have a flyback/voltage tripler/focus block that has gone bad in the monitor. Replace the monitor.
Place memory stick into computer card reader follow instuction on screen
If the screen is blurry and remains blurry then it hasn't been calibrated correctly. If the blurriness is merely temporary, then it is most likely an indication of substandard components within the display.
If the picture you find is the same dimensions as your screen it shouldn't be blurry or pixelated. For example, if you have a 1920x1080 screen resolution and you look up a 1920x1080 picture, it will not be blurry. If it is, the picture is too small or your personalization settings are incorrect.
Your Sony camera came with a cord that will allow you to do this. Plug the cord into the computer and into the camera. Follow the direction on the screen.
Blurry
Put your graphics on lowest setting.
it just makes the screen that is kind of blurry to clear. it helps a lot
Hit Ctrl and F4
If you see pictures, then your computer screen is turned on.