Assemble your Own PC and Replace, Add, Repair PC parts

TechTutorials (http://www.techtutorials.net/Hardware/)
Hardware tutorials

Build Your Own PC (http://www.buildyourown.org.uk/)
Simple, step-by-step guide, supported by an online pc building forum.

HardwareCentral - Build Your Own PC (http://www.hardwarecentral.com/hardwarecentral/reports/article.php/3580681)
Learn how to build your own PC as we take you through the process step-by-step!

Build Cheap Computer Using Cheap Computer Parts (http://www.build-your-own-cheap-computer.com/)
A step-by-step guide to putting all your computer components together to build a cheap system.

PC Mechanic's Build Your Own PC (http://www.pcmech.com/byopc/)
PC Mechanic is the home for PC do-it-yourself'ers. Tutorials, reviews, and a large tech forum to answer your questions.

Building Your Own PC, Part 1: Know-How for Do-It-Yourselfers (http://www.tomshardware.com/2002/09/04/building_your_own_pc/index.html)
Anyone needing a new computer faces a tough choice: you can either go for a complete system, or you can build your own PC. As most complete systems are cheaper than the sum of their parts, when is it really worth it to build your own?

Electrocution.com (http://www.electrocution.com/computing/)
Publishers of the BIOS Companion, the book that tells you how to set your PC properly.

Build Your Own PC - Step by Step Building Guide (http://www.buildeasypc.com/)
Illustrated step by step guide on how to build your own PC. Hardware guide, Software installation procedure, Troubleshooting guide, Discussion forum, etc.

Build Your Very Own Personal Computer (http://www.geocities.com/paintstickweb/comp/index.html)
. This site offers step-by-step instructions on assembling your own home PC.

PCWorld.com - Your Ideal PC (http://www.pcworld.com/howto/article/0,aid,116993,00.asp)
Whether you're upgrading your machine or building one from scratch, they show you how to choose the right parts and put them all together.

Learn Computer Repair Fast, Using Video (http://www.ultimatepcrepair.com/)
Understand computer maintenance and repair.

Solutions for common PC problems

Computer Repair with Diagnostic Flowcharts (http://www.fonerbooks.com/pcrepair.htm)
offers links to flowcharts for PC diagnostics, excerpted from Morris Rosenthal's book

My Super PC (http://www.mysuperpc.com/)
Build a computer yourself!

FAQs by Category: pc-hardware-faq (http://www.faqs.org/faqs/pc-hardware-faq/)
A collection of PC Hardware FAQs

HwB: The Hardware Book (http://www.hardwarebook.net/)
HwB provides you with circuits, pinouts, cable/adapter descriptions and other technical information.

Frequently Asked Questions associated with homebuilt computers. (http://www.faqs.org/faqs/homebuilt-comp-FAQ/)
collected from the alt.comp.hardware.homebuilt newsgroup

TheRef (tm) Drive and Controller Guide (http://marina.mfarris.com/theref/theref.html)
The purpose of this site is to provide you with the specifications and setup information you'll need to install storage peripherals, such as Hard Drives, Optical Drives, Floppy Drives, and Controllers/Host Adapters.

Dave's Guide to Buying A Home Computer (http://www.css.msu.edu/PC-Guide/)
Looking Under the Hood|Installing Adapter Cards|Adding More Memory|Installing a Hard Drive|Installing a Tape Drive|Installing a CD-R OM Drive|Replacing the Battery|Upgrading the Microprocessor