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.
Cysts can be painful and easily infected, so be sure to see your dermatologist if you have one [source: WebMD ]. Sometimes age is a factor. Some skin conditions that cause scalp sores, such as ringworm, primarily affect children [source: Berman ]. Others, such as pemphigus, primarily affect older adults [source: National Institute of Arthritis and Musculoskeletal and Skin Diseases ].
1 Head rash and Scabs and Forehead rash (3 causes). 2  Head rash and Scabs and Head symptoms (3 causes). 3  Head rash and Scabs and Hemorrhagic pus-filled blisters (3 causes). 4  Head rash and Scabs and Itching skin (3 causes).