Itâs rare to be deficient in biotin. Symptoms include hair loss, dry scaly skin, cracking in the corners of the mouth (called cheilitis), swollen and painful tongue that is magenta in color (glossitis), dry eyes, loss of appetite, fatigue, insomnia, and depression.verview. Vitamin H, more commonly known as biotin, is part of the B complex group of vitamins. All B vitamins help the body to convert food (carbohydrates) into fuel (glucose), which is used to produce energy. These B vitamins, often referred to as B complex vitamins, also help the body metabolize fats and protein.
A parallel cable contains one 25-pin connector with pins on one end that plug into your computer's parallel port and a 25-pin connector on the other end that doesn't contain pins that plugs into your printer. You cannot swap the cable's ends, since the cable's ends fit in only one way.
1 If you have an installation disk, insert it into the drive. 2  If there is an installer provided, it should run or be executed here. 3  Follow its instructions, and it should install your printer in a few moments. 4  If you don't have an installation program, plug the USB cable into your computer and your printer. Make sure the USB cable is unplugged from your computer and your printer. 2  USB devices work differently from older devices and usually need to have the drivers installed before you connect the device. 3  If you have an installation disk, insert it into the drive.