My screen became transparent , I can see the background ,
I can see the background its like a layered screen .... you can see the apps at the bacground and theres a shadow on the side ts like an old photo
Sounds like you are having some lcd issues. There is one fix that did work in the older models. Place you hand flat in the front glass and then the device over. Give the back a smack with your other hand. This sometimes can shock the LCD to go back normal. If that fails, try to hard reset the device. Hold home and power button for 30 seconds or until the Apple logo appears. If that fails as well, you will need to replace the LCD assembly. There are lots of tools and guides on iFixit.
When you leave an image such as a login window on an IPS display for a long period of time, you might temporarily see a faint remnant of the image even after a new image replaces it. This is called "persistence," "image retention," or "ghosting." It's normal behavior for an IPS display, and the faint image will disappear over time.
You can prevent image persistence by using the display sleep feature to turn off the display when it's not in use. You can also use a screen saver to make sure that a static image isn't on the display for long periods of time. Both of these features are on by default in OS X, but you can adjust the settings as needed.
Avoiding image persistence
You can enable or adjust the display sleep feature on your Mac to avoid image persistence:
If you see a persistent image on your screen, you can use the screen saver to eliminate it:
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