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  1. Alcatraz6

    How to Prepare for Big Sur

    Yes, indeed. I copied/pasted the Serial-Number, Board Serial Number and System UUID. Other fields were automatically filled by clover when selecting 15,1.
  2. Alcatraz6

    How to Prepare for Big Sur

    Hi @UtterDisbelief ! I have followed your steps to change my syst def from 14,2 to 15,1. I can boot with no issues, but now, The information in "About this Mac" shows the older system (iMac (27-inch, Late 2013). In system report everithing seems fine. Model Name: iMac Model Identifier...
  3. Alcatraz6

    How to Prepare for Big Sur

    Hi @P1LGRIM I'm about to change my Syst Def from 14,2 to 15,1. I'm using Clover. How can I create a backup if this update mess with my boot. I already copied my EFI folder to a USB flash, but what if I can't boot anymore? How can I use this EFI backup? Thanks for any guide you can provide. :)
  4. Alcatraz6

    AMD Radeon RX 580 Updated, preparing for BigSur - Opencore update.

    It's been a long time since I immersed myself in this world. I needed to upgrade from high sierra, but then pandemic times came, there was no GPU available and I had to stick to the issues with the old software, but NOW, finally! I already changed my GPU to a Radeon RX 580 and I'm preparing for...
  5. Alcatraz6

    [SUCCESS] Monterey12.1 Z97X-UD3H Haswell i7-4790K HD4600

    Hi sriHacPro !! Im just making research about upgrading from high sierra to big sur or any... It's time to do it! But, as many of you, I have to change my nvidia card to an AMD. Now, that the prices start going down, Im able to buy one and I want to ask for your help. I read that you have...
  6. Alcatraz6

    No Audio Devices - AppleHDA Realtek Audio

    Hope he is alright! Thank you for notice. Will continue searching for help.
  7. Alcatraz6

    No Audio Devices - AppleHDA Realtek Audio

    Hi Toleda, Good afternoon. I would like your help. Problem: My output devices stop working. In the past weeks they have been loading after multiple restarts. MacOS: 10.13.6 Motherboard: GA-Z97X-UD5H-BK Processor: Intel Core i7 3.99 ghz Graphics: GeForce GTX 960 2047 mb Procedure...
  8. Alcatraz6

    [SOLVED] HP Scanjet 4890 not working after El Capitan Clover installation

    After fresh El Capitan clover installation, my HP Scanner doesn't seem to work. It is unrecognized from system preferences or any other software. I've tried installing from apple software, from hp software, did some workarounds and nothing. I ended up in a HP Forum and someone put the only...
  9. Alcatraz6

    Issues with El Capitan and EVGA GTX 960 on GA-Z97X-UD5H-BK (Is it something to worry about?)

    Well, the issues continue. here are the pics of my login screen, and then in desktop where all things seems almost ok. This kind of behavior appears when modifying displays settings and some times in some apps windows too (like messages or in some buttons). This doesn't avoid me to work in my...
  10. Alcatraz6

    Video and external HD issues on El Capitan Fresh installation. (GA-Z97X-UD5H-BK, i4790k, EVGA GTX 96

    Yes, with de gtx 960 installed. Already booted with dart=0 nvda_drv=1 and using Web drivers. This is My monitor but only in login screen. When logged, all seems fine!
  11. Alcatraz6

    Video and external HD issues on El Capitan Fresh installation. (GA-Z97X-UD5H-BK, i4790k, EVGA GTX 96

    :headbang: Hi everyone! I've succesfully installed El Capitan and as long as I am testing, I have some issues with the video card. At the login screen, its hard to see my name and the password input because its kind of grainy pixelated. And then it all looks fine when I'm logged in. Then, tried...
  12. Alcatraz6

    Here we GO!

    It will be now! I STRONGLY recommend that beside doing all the steps in this guide, make boot and clover installation only with your first HD installed (SSD), only 1 Dimm Ram and no video card mounted. After 4 hours of trying changes on bios, reinstalling, etc, this was the solution for me...
  13. Alcatraz6

    Here we GO!

    After 8 hours opening, organizing and mounting all my stuff (all the stuff on building a Mac Pro guide), and now... here comes the fun! hope all installation of el capitan go well. Will let you know!:headbang:
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