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.
Steps to split screen on Windows 8/8.1 computer: Step 1: Open an app from the Start screen or other places in the computer. For example, you can open the Travel app on the Start menu, as the following screen shot shows. Step 2: Go to Desktop.ay 2: Move the mouse arrow to the top left of Desktop screen, right-click the app thumbnail when it appears, and select Close in the menu. From the following screenshot, you can see that the split screen is closed. Related Articles: 1  How to Change Windows 8 Start Screen. 2  Change Windows 8 Lock Screen with 2 Steps.