Hardware is the term given to the computer machinery and the various individual pieces of the computer. Hardware must be loaded with corresponding software to make a computer system perform meaningfully and thus produce useful output. In all, both hardware and software must work together.
If you find some problem with the computer components, you look for hardware solutions. There are many companies who take up Annual Maintenance Contracts (AMC) from the customers and provide them complete business networking and hardware solutions,
comprising of hardware solutions, network installation service and network security & support service in lieu. These companies have their own trained teams of engineers in both the software and hardware fields.