‎OS X Troubleshooting, Yosemite Edition on Apple Books Nov 06, 2014 Troubleshooting | OS X Tips - Part 4 You can try to restore the correct operation of the smartphone yourself – it will suddenly cease to go out and will respond to the power button. The reasons for turning off the iPhone can be of two types: Software issues;Problems with iPhone parts. If your iPhone turns off by itself due to software problems, you can do it on your own.…

Network booting a computer is a fairly straightforward, yet complex task involving many different pieces of technology. As such, troubleshooting it can be challenging. In this article I lay out the steps of the Netboot process on Mac OS X clients and indicate what technologies are involved at each step, how they could fail, and how to solve the issue.

Not sure what you have here. Double clicking on the OS installer file will launch it. If that won't work then you don't have a working installer. You may need to breakdown and buy Lion OS-X 10.7 CD if you need to stick with Lion. I strongly recommend you get to Sierra as thats the best OS for your system. Basic computer troubleshooting steps Mar 06, 2020

Troubleshooting | OS X Tips

Apr 19, 2019 Bugs & Fixes: Troubleshooting Installing Mac OS X Lion Mac OS X Lion is easier to install than any previous version of Mac OS X but things can go awry. Find some solutions here. Bugs & Fixes: Troubleshooting Installing Mac OS X Lion. Today's Best