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.
How do I connect the printer and my computer via USB cable? Install the driver software before connecting the printer to the computer via the USB cable. Make sure that the printer is turned off before connecting the USB cable. Connect the printer end of the USB cable to the USB port on the side of the printer. 1 USB cable. 2 USB port. Connect the other end of the USB cable to the USB port on the computer.