IMac Late 2012 21.5 and 27 inch. Mac Pro Mid 2010 (Note CPU, GPU and WIFI might need to be upgraded and sound might not work) Mac Pro Early 2009 (Note CPU, GPU and WIFI might need to be upgraded and needs to be flashed from a 4,1 to a 5,1 Mac Pro and sound might not work)I have a Mac Mini (late 2012) running current Catalina, but it is struggling. Apple Mac mini 'Core i5' 2.5 (Late 2012) Specs.However, if your Mac is several years old, there’s a good chance that the current version of macOS won’t run on your Mac Apple drops support for Mac models that it declares to be vintage or obsolete.If you want to upgrade to a newer version of macOS but Apple no longer supports your Mac, the best option is of course to buy a new Mac, but not everyone can afford to do so. Software & Apps How to keep older Macs secure: a geeky approach (run Catalina on unsupported Macs)Note: This article was originally written for macOS Mojave, and has been adapted for macOS Catalina.From a security standpoint, using the latest version of macOS—the Mac operating system—is always preferred. Is that the best option (it seems way more complicated than adding the RAM) or will the memory upgrade help out enoughIt's a late 2012 Mac mini, core i5, with 4 GB of RAM (just waiting for the 8 GB to be delivered do upgrade it), 250 GB SSD, 500 GB HDD as internal storage and around 5 TB HDD as external storage via usb 3.I recently monitor the CPU temperature, and even with low cpu load (like writing this post the temperature reach and remain around 70%.I know that Apple tend to set their computer to run close to the t-junction temperature but I really want to cool this mini down.I don't think that the higher temps are due to restricted airflow/bad position, I clean it 1 month ago and generally I open it up every 6 months.Since I have to open the mini to install the new ram kit, I have in mind to replace the cpu thermal paste and here is my doubts.I saw some video about apply a liquid metal cpu paste which cools a lot and on the paper it seems the best optionSince you probably are more expert than me I gently ask you what thermal paste I should use and why, bringing me advise about the best thermal paste.I'm beginner (kinda), I already done some thermal paste replacement but I'm still in the earlier stages and I'm not so expert about it. What do you guys suggest to do?And of course, If you have another approach or you have something else in mind feel free to write it down below.
![]() I’ve successfully installed macOS Catalina on a 2007 iMac.*(*This iMac required a CPU upgrade the chipset misidentifies 2.6 GHz as 700 MHz □. Sounds interesting, doesn’t it?According to Apple, these are the supported models for macOS 10.15 Catalina:The unofficial list, however, looks more like this:IMac (Mid 2007, after upgrading the CPU)*IMac (Early 2008 or newer, except for some 2010 models and all 2011 models)Mac Pro (Early 2008 or newer with recommended graphics cards)*With a processor upgrade (not for the faint of heart), the unofficial list can even include the mid-2007 iMac, a computer that is now more than a dozen years old.Well, folks, wins the Internet today. Use a third-party utility to install the latest macOS on your Mac, even if Apple doesn’t officially support it. Keep in mind that even though these two older macOS versions still receive security updates, not all known vulnerabilities are addressed. At the time of writing, the current version of macOS is Catalina (10.15.x), and the two previous versions are Mojave (10.14.6) and macOS High Sierra (10.13.6). If you can’t upgrade to the latest version of macOS, install the latest compatible version that still receives security updates. Best Os Mini Late 2012 How To Go AboutWhile you’re there, give the page a careful read to see if your Mac is properly supported by the patcher and what known issues there might be. Now grab a copy of macOS Catalina Patcher from this website (you can also get the Mojave and High Sierra patchers if you have a Mac with certain hardware that can’t be made to work with Catalina). Grab a flash drive (or external hard drive) that can be erased and is 16 GB or larger in size. Follow a “3-2-1” backup strategy, and ensure that your backups are really working. Preparing to patchIf you want to run macOS Catalina but can’t due to your Mac not being officially supported, here is how to go about it: It uses a similar methodology to so-called “hackintosh” computers, where additional Apple drivers from previous versions of the operating system are included to make the current version of macOS work with a wider range of hardware. New color folder for macThis will make your machine run a lot smoother regardless of which OS you decide to install. Of course it is recommended you upgrade your Mac to the maximum amount of RAM and replace your hard drive with a solid state drive (SSD). According to the System Report, my MacBook Pro is a MacBookPro5,2.I have installed this patch on even older systems such as the Late 2008 Aluminum Unibody MacBook, and it ran Mojave very well. This system is several years older than the minimum Apple says is supported. In the hardware overview window that pops up, a Model Identifier will be listed make sure you write it down or remember what this is.You can find all the steps on the macOS Catalina Patcher website, but I’ll be taking the journey with you using my Mid-2009, 17″ MacBook Pro. When the download finishes and the installer is verified, continue with the creation of the installer.Make sure you set your destination volume to the flash drive after selecting “Yes” Open the downloaded macOS Catalina Patcher tool, and from the Tools menu, select “Download macOS Catalina.”This will download the latest copy of the installer directly from Apple’s server. Make sure it is formatted as Mac OS Extended (Journaled). Format your flash drive or external drive using Disk Utility. Note that the screenshots below actually show Mojave Patcher (from an upgrade to macOS Mojave, last year), but the process remains essentially the same. Select the flash drive that has the patched macOS installer on it and press your return (or ‘enter’) key. Now it’s time to install the new OS on your Mac! Power on your Mac and immediately hold down the option (or ‘alt’) key.Give it several seconds, and then you should be looking at a grey screen with a selection of boot volumes. Once that is entered the creation will begin.Once the patcher tells you it has completed the process, you can quit the patcher. The patcher at this point will ask you for your password. Then click Continue and let the installer run as you normally would. Make sure the format is set to Mac OS Extended (Journaled) and the partition scheme is set to APFS.With the internal drive reformatted and ready, quit Disk Utility and select the internal drive as the installation destination. Once the installer loads you’ll notice an additional window that you won’t find on a typical macOS install.From this window, select Disk Utility and reformat your internal drive—note that this will erase all your files, so you need to make sure you’ve properly backed up all your important documents before proceeding beyond this point. Select the patched installer flash drive again and boot up from that. Power on your Mac again with the option key held down, just like you did in step 6. This will fail and your Mac will shut down—don’t worry this is expected behavior. This may take a few minutes longer than usual. When the patch completes its work, select the “Force Cache Rebuild” option and then click the “Reboot” button.The caches will be rebuilt and the Mac will restart. Select the Model Identifier you wrote down earlier and all the right options will be automatically selected for your Mac.Select your internal drive from the menu next to “Select Volume” at the bottom and click the “Patch” button. If you switch to Dark Mode this will resolve it though. If you did not select the Dark Mode and notice your menu bar is a dark gray color, your graphics card may be having a hard time (typically this happens with graphics cards that do not support Metal). You can find a Donate button at the top of the Catalina Patcher site. Install whatever updates are available and restart your Mac.You’re all set! Your Apple-unsupported Mac is now running macOS Catalina 10.15! (Or, again, macOS Mojave in these example screenshots from last year’s upgrade.)If the installation was successful and you’re thrilled to be able to run the latest operating system on your old Mac hardware, consider donating to the creator of Catalina Patcher to express your appreciation for his hard work. This is the Patch Updater which will ensure you have the latest patches available for best compatibility. Hang onto the flash drive with the patched installer on it! You will need it after installing future OS updates to re-install the Post Install Patches. It seems to be hit or miss, but when installing, expect your iSight camera to be non-functional.” My iSight camera works fine, but as the macOS Mojave Patcher website mentions, “built-in iSight cameras do not work correctly on some machines. My Mid-2009 MacBook Pro pulls off a seven-person group chat, but it’s certainly not as smooth as it is on my Mac Pro or iPhone. It will work, but frame rates may be low.
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