I am having trouble with my pictures on the LCD screen they seem to be coming out blurry. I tried turing the camera off...

It could be that your camera no longer has memory on the SD card, so you could either delete unwanted pictures, or insert a new SD card. In case you dont want to delete anything you could also download them onto a computer and after they are saved delete them from the camera. For more information you can go onto the troubleshooting page: Fujifilm FinePix S4200 Troubleshooting