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 ].
Some potential causes of a heavy feeling in the head include: 1. Head and Neck Injuries. As mentioned before, head and neck injuries can both cause a heavy head feeling, due to damage to your brain or muscles. Sometimes your head feels heavy and numb as a result of the muscle strain as well. 2. Fatigue. If youâre out of shape or donât get enough exercise, then itâs possible that your heavy head feeling is due to fatigue and poor health.