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.
Specific types and symptoms of head injuries include: 1  Concussion: Also called a mild traumatic brain injury. This includes injuries to the brain that are caused by a blow to the head or body, a fall, or another trauma that jars or shakes the brain inside the skull. People who suffer from concussions may not always exhibit symptoms that are apparent to others. Symptoms of a concussion and minor head injuries include: