There is a chance that an incorrectly configured screen resolution is causing a display mismatch.
Windows vertical screen display.
Vertical snapping of two screens.
Download install and run gridmove.
If you are on an older version of windows click on advanced display settings and change the resolution from there.
Well if you press the up key second time you will maximize the window.
You should see a graphic displaying all of your computer s monitors at the top of the window that pops up.
This can lead to the display not adjusting properly to the monitor therefore causing the vertical lines on your computer.
In the contextual menu click on screen resolution if you are using windows 7 or windows 8 8 1 or display settings if you are using windows 10.
Display settings windows 10.
Press windows key up to snap the current app to the top.
Adjust the screen resolution.
Alternatively press the windows key and the left or right arrow key to snap the last selected window to one side of the screen.
Still given this is windows 10 the chance is always there.
It s free light weight and doesn t interfere with the snap feature on windows 10.
Horizontally split the screen.
It will add an icon to the system tray.
Some pcs can let windows automatically adjust screen brightness based on the current lighting conditions.
If you have other windows or applications open when you.
Press windows key down to snap the current app to the bottom.
It may cause problems but it is highly unlikely that it does.
To find out if your pc supports this go to settings system display u nder brightness and color look for the change brightness automatically when lighting changes check box and then select it to use this feature.
Check if the display driver has recently been updated.
For that you have to.
If you re unable to navigate in windows because of the flipped display see the steps on unable to navigate windows.
In some cases this might be a software issue.
This automatic setting helps make sure your screen is readable wherever.
You can also split two screens in vertical instead of horizontal.
It works best if you use the mouse to snap windows on the horizontally split screen but it does support custom keyboard shortcuts for snapping as well.
Also if you are using a tv as your monitor you can isolate your issue by changing the aspect ratio of your tv to screen fit or full 100 from the tv settings.
If you ve overclocked your gpu it might be having trouble sending signals to.
Before choosing your version of windows you may want to try the shortcut key combination steps that works with many computers.