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.
1 On some Windows computers, an accidentally pressed keyboard shortcut could cause your screen to turn upside down. 2  Press Ctrl-Alt-Up Arrow to return the screen to the correct position. 3  People with extremely volatile tempers will probably not react calmly to a computer screen suddenly flipping itself upside down.nstructions. Press the Windows Logo key, type change screen orientation and press Enter.. Press Tab three times until you see a dotted line surrounding Landscape (Flipped).. Press the Up Arrow key twice to display Landscape..