mac pro 4.1

Hi, I have a Mac Pro 4.1 early 2009 with a Graphic Card Nvidia GTX 660 2GB not flashed, so I don´t see the boot screen and I don´t have the original card. My question is, I have the 4.1 software and I want to update to 5.1 software, can I do without the original card? Mac Pro 4.1 (early 2009)...

So I am working on a 2009 4,1 Mac Pro with Dual Xeon E5520's and 8 GB RAM. About 4 months ago the PSU went down. That swap went great. No issues following the swap. Unfortunately about 2 weeks ago the mac pro went out again. This time it wouldnt show any signs of power(when the PSU went out last...

Hey guys, I made a video about delidding a Xeon X5690 using only a vice! The results where perfect! After cleaning up and successfully testing the first one I went on to the second. Both turned out great and my Mac Pro 4,1 is quite and blazingly fast. The reason why I chose this method is...

So, sadly, after 7 faithful years as my primary workhorse, the best, most reliable Mac I have ever owned, my Mac Pro 4,1 has died. Looks to be a CPU failure, or maybe the motherboard gave out. I was hoping it would last long enough that I could get a second gen nMP and then figure out solutions...

Hi So I purchased a WiFi 802.11ac & Bluetooth 4.0 LE upgrade kit from Ebay for my Mac Pro 4.1. http://www.ebay.co.uk/itm/252317542350?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT In OS X it works like a charm! But I need to have windows as well, and even though the installation...

Hello, In the process of upgrading my mac pro. I'm looking to replace the pink thermal pads on the heatsinks which cover what I believe to be the voltage regulators. Anyone could point me to the proper thermal pads that I need? I've also dissasembled the video card (HD 4870) which also needs...

Hello, I'm upgrading my Mac Pro from 4.1 (to 5.1) with new hardware. The machine came with a Radeon HD 4870 when I purchased it and would like to know what would be a good GPU upgrade (if any) without braking the bank. Thanks for your recommendations.

Hello, I have a early 2009 Mac Pro 4,1. Out of no where while using it just shut it off completely and when I went to go reboot it, everything sounded fine except that I didn't hear the start up chime and my display remained inactive. The light above the power button stays solid and when I...

I have a Mac Pro 4,1, flashed to 5,1 (at home and work) and am currently running OS 10.8.5, which I will be upgrading to El Capitan. I understand that the old wifi and bluetooth versions which these machines came with will not support the upgraded functionality found in later versions of the OS...