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.
To use a printer with your laptop, you must first set it up. A few laptops still feature a printer port, but most use a regular USB port. Plug in the printer, and ensure that itâs turned off. Also, set up the printer with ink and paper according to the directions that came with the printer. Connect a USB cable to the printer and to your laptop. Or, you can plug a standard printer cable into the printerâs I/O panel or into your laptopâs port replicator or docking station. Turn on the printer.