This is a comprehensive and advanced pictorial step by steps of reparing a computer and its networking.the book contains d following...... Details of all cpu components, step by step of hardware installation, software installation and BIOS, diagnosis and troubleshooting computer problems, identification and solutions, networking installation problem identification and internet connection sharing wired and wireless, several digital color pages inside. Become a professional and be self employed and coems wit a CD dat contains video illustrations OS and two special engineering related textbook.to get a copy is N3,500.pls contact mr sola on 07032750377 or 08121163885