Computer support companies and administrations work in investigating and settling a wide assortment of fundamentally programming related PC issues and system availability issues and additionally some hardware issues. Also known as technical support, computer support can take the form of an on-site visit or remote help via telephone, e-mail, text or instant messaging, online chat or even remote desktop control. Many larger companies have their own technical support departments, whereas smaller businesses and individuals typically turn to a computer support firm or the Internet when diagnosing and addressing computer-related issues. Many larger companies have their own technical support departments, whereas smaller businesses and individuals typically turn to a computer support firm or the Internet when diagnosing and addressing computer-related issues.