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.
Businesses that need to use an older printing device to output documents can hook up legacy printers using the Add a Printer wizard, which automates the installation process. Step 1. Check the sockets on the printer to see which interface the device uses to connect to the computer. Step 2. Connect one end of the USB, parallel port or serial port cable to the printer. Step 3. Plug the other end of the cable into the serial or parallel port or the USB slot. Step 4. Connect the printer to power. If the printer is using USB, Windows automatically detects the device and adds it to the PC. Step 5. Click Start, then Devices and Printers if the printer is using an outdated interface.