Uncommon Causes of Stroke. The vast majority of strokes are caused by problems such as atrial fibrillation, hardening of the arteries and high blood pressure. But there are many less common causes of stroke as well. Fibromuscular Dysplasia â a disease that causes abnormal cell development in the artery wall.
1 Ctrl + Alt + Right Arrow: To flip the screen to the right. 2  Ctrl + Alt + Left Arrow: To flip the screen to the left. 3  Ctrl + Alt + Up Arrow: To set the screen to its normal display settings.4  Ctrl + Alt + Down Arrow: To flip the screen upside down. Note: Not only in upside down situations, if your display screen is flipped in any direction, pressing the Ctrl + Alt + Up Arrow would instantaneously bring the screen back to its normal state.
Screen has rotated upside down in Windows 8: First of all make a right click on your desktop Now choose the Display Settings optionFrom here navigate to the Rotation optionTap on 180 degree optionFinally tap APPLY and OK to save the changes.1  First of all make a right click on your desktop.e: Screen has rotated upside down in Windows 8. You may have rotate your screen by mistake. It is very simple to restore your screen at earlier stage. Please follow the following instructions. - End all programmes that you have open and open your desktop. - Now right click on Desktop.