How do I fix a horizontal white line on my monitor?

How do I fix a horizontal white line on my monitor? 

How to Fix Computer Screen Lines
  1. Turn your monitor off and on again.
  2. Restart your computer.
  3. Try a different monitor.
  4. Check your monitor while it’s disconnected.
  5. Detach and reattach the keyboard.
  6. Close and reopen your laptop.
  7. Use your laptop on a hard surface.
  8. Install the latest operating system updates.

Why is there a white line across my screen? 

Typically, this issue is associated with the LCD, caused by a faulty hardware component in your device due to some accidental fall or water damage – and can only be sorted at a phone repair center.

How do I make a horizontal white line in HTML? 

Its simple to add a horizontal line in your markup, just add: <hr>. Browsers draw a line across the entire width of the container, which can be the entire body or a child element.

Why is there a white horizontal line on my laptop screen? 

This problem may occur if you are using the wrong graphics driver or its out of date. So you should update your graphics driver to see if it fixes your problem. If you don’t have the time, patience or skills to update the driver manually, you can do it automatically with Driver Easy.