Press the right-arrow key to activate the backlit keyboard. Press the right-arrow key again, still holding down the Function key, to toggle the keyboard through its three illumination modes: full intensity, half intensity and off.
Many different conditions, for instance, can also cause sores on the scalp. Scalp sores can be unsightly, and depending on the cause of the sore, they can also lead to temporary hair loss. These disorders can be contained with the right treatment, but they often need to be diagnosed by a doctor. Scalp sores can be caused by viral, bacterial or fungal infections.
Headache, Migraine, and Facial Pain. Migraine and Other Vascular HeadachesâSymptoms and Diagnosis. Migraine: The most common of vascular headaches, migraines are thought to involve abnormal functioning of the brain's blood vessels. Migraines cause severe pain on one or both sides of the head, upset stomach, and, at times, disturbed vision. People often describe migraine pain as pulsing or throbbing in one area of the head. During migraines, people become very sensitive to light and sound. They may also become nauseous and vomit.