Recent content by topfive

Posting my solution in case others might benefit... I did a lot of researching online regarding this issue, and eventually stumbled on a YouTube video that helped me resolve it. Basically, after a period of time the contacts between the graphics CPU and the video card start to weaken. This can...

Thanks for taking the time to reply. I'm pretty sure that the problem isn't related to third-party software, because I when I use recovery mode to reinstall the OS, the install process works fine but upon reboot it still fails in exactly the same way. That's what makes me think I've got some...

Hello, everyone. This is my first post, so go easy on me. :giggle: I'll try to describe the situation as thoroughly as possible in this first post. I have a 2007 iMac 24" that recently stopped booting. There were no apparent performance issues leading up to this; one day it just refused to...