Most computer problems can be solved easily, if know where to look. If you do not have any one at home who can help troubleshoot or fix any problem on your computer, you can use the following online resources :

www.buildyourown.org.uk – A step by step guide for building your own PC .  The section on PC building is further divided into subcategories like preparing the PC case, motherboards and adapter cards, fitting the CPU and RAM, fitting the drives, connecting the internal cables and then connecting the external cables. The website provides very comprehensive information.

www.pcguide.com – one of the oldest computer assembly guides, available since 1997.  Fairly comprehensive with over 200 sections and 200 photographs.

www.pcmech.com, PC Mechanic – though a general tech website , with sections on mobiles, computer hardware and software , it has a section on how to troubleshoot your computer

www.makeitsimple.com – PC hardware and digital photography, news, reviews and forums.  You can ask and get help from forum members regarding any computer related problem.

Yahoo answers – you can post your any computer or networking related question.  For a common problem, you will get an answer, but for a more complicated case, you may not get any assistance.