There are several books that have been written on the subject of computer repairs. Most of these books offer help and guidelines on how to repair laptop and desktop PCs. Some books are good for beginners and non-techies who are just starting out with computer troubleshooting and repair. Other books cater for the needs of the more advanced learners and geeks who like to know every detail about how a computer works. From personal experience and the reviews and ratings of others, these are some excellent books you should begin with.
PC Troubleshooting for Non-Geeks – the DIY Computer Repairs Manual for Beginners written by Mike Camp.
You should start studying computer repairs by reading this book. It is excellent for beginners. There is minimal use of technical jargon or any confusing language. What you need to know as a beginner is broken down in very simple terms. The material is easy to read and understand. This book has a way of building you up and boosting your confidence so you can easily advance to more difficult repair tasks.
The Laptop Repair Workbook written by Morris Rosenthal
Laptop repairs now account for at least 50% of computer repairs. Therefore this book written on the subject of laptop repairs is extremely useful in today’s marketplace. Diagnostic flowcharts can be used to unravel the tricky aspects of troubleshooting laptop problems. If you truly desire to be proficient in the area of laptop repairs, this book is definitely worth studying. 
Using specific computer repair with diagnostic flowcharts
This is another good book written by Morris Rosenthal. This book helps you to trace hardware faults through the use of fault tracing flowcharts. It is an excellent guide for carrying out computer repairs especially in a repair shop or as a self employed technician. The diagnosis methods are laid out in a step by step procedure. The book is easy to study and understand. It is good for both beginners and intermediate level learners or technicians. However, it does not teach you everything about how the computer works in detail.
Scott Mueller’s Upgrading and Repairing PCs
This book may be easily described as the most detailed computer repairs book written. It has been constantly updated over the years and the latest volume is the 20th edition. As you study this book, you will gain access to a comprehensive exposition on computer hardware. You will quickly learn how all the parts of a computer work together.
The book has several detailed and well labeled diagrams, pictures and illustrations. It has very detailed information on every part of a computer system. Furthermore, you will be given a comprehensive history about how computer technology has evolved over the years.
If you are planning to build, upgrade and maintain computers as a full time job, this is one of the books you must have. In addition, the book may also be used as a preparatory text for the popular A+ computer technician’s certification exams.
Those are four good books on computer repairs. In order to get good foundation on this subject, the books can be bought and studied one after the other. If on the other hand you decide that its all too much and you would rather an expert take care of it then you could try computer repairs pronto as one of many reputable firms servicing your area.