red light

tried looking at different posts about this but got no hope. so my mac just suddenly stopped working when i boot up theres a red light on the tray and the fan just spins super loud and thats about it. I press the diag button to check on the power supply and it seems fine, tried removing all...

I have a Mac Pro 3,1 from the range of 2009-2012, Xeon e5 542 it originally came with a GTX 680 but i replaced it with a GT 740 and worked just fine, i also replaced the hard drive with the OS because it was faulty, the computer seems to have no bios whatsoever, i had an hdd with windows 10...

So I have a G5 quad and it boots ok, then the fans start to get pretty loud (I don’t believe full speed but I would say faster than it should be, but then after a couple of minutes, it freezes up and goes to sleep (sometimes it just freezes on what ever screen your on). I checked the LCS and it...

Hi G4 Cube owners, I was wondering if any of you could help. I am trying to fix my G4 Cube which crashes on startup. I get the apple logo and then gets stuck on that screen. I noticed a red light near the ram which is DS2 and was wondering if this is the culprit. I have tried another ATI Rage...

Hello! I'm asking for a little help troubleshooting a Mac Pro build I am doing for a friend. He wanted something to help him with rendering 3d stuff his macbook was lagging with. I am not an expert but I have built many PC's and tinkered with upgrading many macs over the years. I personally...