Professional Tech Repair Guides & Instructions to help you fix more tech! All of these resources are 100% free. Repair Wiki – Powered by the Repair Preservation Group (lots of guides in wiki form) Rossmann Repair Training Guide – Good place to start (power point) Repairs Universe – Repair Videos (mainly phones) Battery University – Everything you ever wanted to know about batteries (amazing knowledge here) Lessons in Electric Circuits – From All About Circuits (nerd alert) IFIXIT Repair Guides – step by step guides for thousands of devices (designed for DIYer’s) Console Mods – modifications, repairs, and restoration Repair a Damaged Hard Drive – From Extremetech (Data recovery) OldVersion.com – Older Versions of software/firmware to download Old School Electronics Guides – From Fix-It Club (Amplifiers, CD players, etc.)
