mac apple mini 10.7 lion osx reset restore wifi

im sure this has been discussed and im deeply sorry to bother everyone again but im hoping someone can help me step by step (im dyslexic and learn a bit differently) on how to create the bootable usb for lion so I can fix my kids iMac please can anyone send help

First time poster, Lifetime Mac user/lover... Ok, so I was doing a little dumpster diving at an upscale apartment complex right after they were bought out by a new equity firm. During my excavation I found a few unopened surge protectors, then when I lifted up a pile of old electronic door...