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Mac Pro 4.1 5770 mini display port issue
Hi all, long time lurker first time poster. I've got a Mac pro 4.1 2.26Ghz that has been flashed with 5.1 firmware. The issue is that I've just installed a flashed XFX HD 5770 like this one to use as a back up card and it all works fine apart from the mini display port. I get the apple logo and...- Jackdown_101
- Thread
- 4.1 5770 amd black screen boot efi flashed gpu monitor radeon
- Replies: 9
- Forum: Mac Pro
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Mac Pro 1,1 Help?
I have a 2006 Apple Mac Pro 1,1 that I have upgraded the CPU's to 2x Intel Xeon X5355 SLAEG CPU's and upgraded the ram to 11GB. I have also flashed the firmware to the 2,1 firmware and installed Yosemite with SFOTT. I have also upgraded the Graphics card to a Zotac GTX 570 1280MB . I have been... -
How to install a PC nVidia card in a Mac Pro and how to safely do OS updates
The problem with non-EFI (PC) graphics cards is that they aren't initialized by the Mac boot sequence, so the screen remains black until a compatible driver is loaded. The built-in default OS X nVidia driver supports older-generation graphics cards like the GTX 680 (you still won't have a...- SteveJobzniak
- Thread
- efi graphics guide nvidia
- Replies: 47
- Forum: Mac Pro
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How to create SSD image with Mac OS X and Windows ?
Hi: On a MacBook Pro I have a 240gb SSD and 1TB HDD drives. The SSD disc is partitioned as follows: #1 - EFI #2 - Mac Os X (Mac Os Expanded) #3 - Mac Recover #4 - Windows 7 (NTFS) The HDD is partitioned as a single NTFS patition. I need to create an image file from the SSD disc and save it... -
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Mac mini (2006) boots once, then not again after GRUB+EFI changes
I thought this subforum might be the most likely to find folks who would be knowledgeable with this, but feel free to move if it belongs elsewhere. I've been having a bizarre issue with my Mac mini A1176 (2006), after I installed Ubuntu and then attempted to get it to boot directly into GRUB by...- prwood78
- Thread
- efi grub mac mini ubuntu
- Replies: 0
- Forum: Windows, Linux, macOS, & Others on the Mac
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MP 1.1 - HD5770 poor performance
I was wondering if someone could explain this lack of performance I´m faced since I´ll try to run this MP 1.1 Facts : - MP 1.1 2 x DC 2.66 - 7 GB DDR2 667 - FWM 1.1 - OSX El Cap. 10.11.5 - 240GB SSD - GPU HD5770 1GB GDDR5 - non EFI ! When I´m benching this MP for ex. in cinebench the HD5770... -
Disk with 2 Partitions. unable to boot Mac OS
Hey guys. i'm currently using bootcamp right now but I am unable to boot into the Mac OS of my hard drive. I have a 2010 Macbook Pro using a Momentus XT Hybrid SSD, which was installed in it 5 years ago. I hope it's not a symptom of a hard drive failure. my bootcamp side works as expected. I am...- iamrawr
- Thread
- boot efi hard drive partition recovery
- Replies: 9
- Forum: MacBook Pro
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GTX 680 flash not working
Hi all, I dug my old Mac Pro 1,1 out of storage, and found that I could use standard PC GPUs in it. I've been using an EVGA GTX 680 2G in it for a few weeks, but the lack of a boot screen can be frustrating at times, and I see that it's only running at 8x PCI speed. Tried flashing it as per... -
Mac Pro 5,1 GTX 970 GPU questions
Hey MR, I just got a 2012 quad-core Mac Pro. Absolutely love it. Big step up from a 2011 Mini. I have a new ASUS gtx 970 'strix' OC edition and wanted to know a couple things: 1. What are my options to flash EFI onto it, I have zero experience in this area. 2. Can I just keep the 5770 in and...