MP 1,1-5,1 Mac Pro 5.1 Early 2009 , shutdown while video, photo edit

shadow1926

macrumors newbie
Original poster
Jul 10, 2019
3
0
Hello,
I have a problem with my Mac Pro 5.1. While I edit my video in Premiere Pro or photo in Photoshop Lightroom my computer turn off, I see black screen and I must once again press turn on button. I replace thermal paste in CPU, I reset SMC and NVRAM, problem is not solved. When I surf on internet to safari or youtube computer works well, if I try edit on timeline my video MAC shutdown. I installed Mac Fans Controll , but my windmills works well. Please help....!

P.S Sorry for my bad English guys.
 

shadow1926

macrumors newbie
Original poster
Jul 10, 2019
3
0
Where I find this? You talk about these screws with springs? I tighten heatsink enough strong.


EDIT

Now I can see while my Mac turn on , red diagnostic led flashes one time
 
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