You will need
  • - technical literature;
  • - Internet;
  • - a set of tools;
  • service software;
  • - help friends.
Acquire the necessary theoretical skills. In order to repair the computer, you will need to understand how it works. Study the technical literature in a systematic way. Try to understand the information of selected areas of operation of your computer and test the knowledge in practice.
To study in detail the structure of the system unit. Examine each component part and see what function it carries.
Learn the basic principles of the computer's operating system, its interaction with other software.
Locate and work through the material about the main service software. It will further help you to identify and troubleshoot the computer.
When a fault occurs, try a systematic approach to the problem. Try to find out the reasons why the crash happened, find the logic in the fault occurs.
Using the tools, replacement parts, special software try to rectify the fault. Follow the exclusion principle. Try the tools and evaluate the results, if it is not reached, try the next tool.