Drop the cellphone, in a bag of rice, it should draw all moisture out of the screens
http://www.ofzenandcomputing.com/fix-mac-blue-screen-boot/
If your laptop has a black screen but the cursors still there and ctrl plus alt plus dlt works there may be a few issues. This could be a screen issue and bad LCD, loose or disconnected cable, or the backlight can be malfunctioning.
http://www.instructables.com/id/Replace-the-top-screen-of-a-Nintendo-DS-without-o/
Your screen might be covered.
terminal
If you get a black screen after installing mods, then it is a compatibility or incorrect install problem. If you get a black screen normally, force an update and this will probably fix it.
If the black marks are dead pixels then you have to replace the screen you cant fix it.
you can not
The following 4 ways can help you to repair your iPhone Stuck on Black Screen: 1.Fix iPhone Black Screen Problem with TunesKit iOS System Recovery Step 1, Connect iPhone to the computer Step 2, Download frimware package Step 3, Fix your iPhone 2,Fix iPhone Black Screen Problem by Hard Reboot 3,Restore iPhone to Factory Setting to Fix iPhone Black Screen 4,Seek for Apple Genius Bar to Fix iPhone Black Screen
Blue screen when playing online
if the screen is black you cant fix it is an internal crack that spread to the external part of the phone.
You can fix Wii Black screen without sending it into Nintendo by pulling out the plugs at the back, and re inserting them.
Tell The Kid To Fix IT
Re-boot the computer.
there is no solution
To fix black lines on your camera screen, try cleaning the lens and screen, adjusting the camera settings, updating the camera software, or seeking professional repair if needed.
take it to the hospital.