Replacing the iMac hard drive late 2013

I know almost nothing. I am an elderly woman who is partially blind. I have found a step by step guide on iFixit and I have a friend with tools and fingers more agile than mine. He does not know Mac.

This is the iMac14.1 model at the end of 2013.

My problem is this: how to get an operating system up and running on the new drive so I can clone my old drive on it.

I CAN NOT install the latest Mac OS. If I do it (I think), I will not be able to duplicate my current OS (High Sierra) over it. Most of my important apps and games are not compatible after High Sierra.

There is a $ 20 Mountain Lion OS in the Mac Store of Apple, but I do not know how to install it on the iMac – the Mountain Lion operating system is a download. Do I need to borrow a DVD drive and burn a disc and use the DVD drive for installation – or is it sufficient to have the dmg on my current device drive?

Will it even work? 1) Prepare an operating system on the new internal drive, 2) clone (Carbon Copy Cloner) my current operating system – I initialize it on a device drive – over the new operating system of the new player.

I know – so many questions. If you have any advice, I appreciate it.

Is it possible to add an SSD module to an iMac model 27 "By the end of 2012 to create a fusion drive about it?

The Fusion player was an option for the iMac 27 "2012, so there may be room for it.The iFixit disassembly of your model displays a caddy that can hold both a hard drive and a SSD: you will need read it to see if you are comfortable breaking everything into pieces – and more importantly, putting it back together.

If you are not comfortable with this task, you may want to use an external SSD via USB3 or a Thunderbolt dock. This should always be faster than the internal hard drive.

I agree with the comment that SSDs are cheap enough to buy large enough volumes, which makes Fusion disks complex.

efi – Is it possible to downgrade boot startup software in order to try to fix the iMac restart from the end of 2012 from the single user mode?

I currently have 283.0.0.0.0 Boot ROM SW installed on my disabled iMac, late 2012 – which I upgraded to HDD-> SDD, I tried to install Mojave without success, then break the configuration of the merge, erase the drives and stay stuck (see other questions about this …)

Specifically, one thing I would like to try is to use the latest standalone EFI dmg update from the Apple Support website, the Apple EFI and SMC updates for my model (iMac13,2).

I can only access the single-user mode. I do not go as far as recovery with utilities and terminal options.

Is it possible to do this from the single-user mode? I can put files on an external Mojave or High Sierra image that I could access, but I do not know enough about the commands and scripts to use to update the firmware.

Thank you

boot – How to use single-user mode to repair the blank internal drives on the iMac late 2012 when the root is USB Mojave

I can not start my iMac 27 "by the end of 2012 (and do not let me install, run diagnostic tests, etc.) …

Ok … I will try to stay as brief as possible …

By the end of 2012, the iMac from 3.4GHz to 8MB was working fine – started having random reboots last year – was running under High Sierra

Tried a Mojave update – failed – and iMac would no longer boot / keep the power cycle

It has been repaired by an Apple Authorized Repair Center. They managed to extract all the data from the Fusion disc (128GB original SSD / NVME hard drive + 1TB hard drive). They tried to reinstall the operating system (I think they put the original Snow Leopard on it). But did not stop doing it again.

He told me that it was probably a fault of Logic Board that would cost $ 800 or that I could go with them for recycling …

I decided to try to save the machine. I had read that the iMac PSU cards at the end of 2012 often posed this kind of problem. So I brought home iMac, I learned to open it (iFixit). PSU board for $ 100 and has it equipped.

Do a quick test – and it started! Hurray.

At this point, I was thinking of giving the machine a little help. So I bought a 1TB SSD drive (Samsung EVO 860) and replaced the hard drive with the SSD drive. I was expecting this to kill the configuration of the merge drive – and that's what happened – but I was ready to install Mojave from one place. external USB drive that I had created.

It did not seem to work – but when I tried the Internet recovery mode, it remade the fusion drive, installed High Sierra – and started! So, was super happy, machine-sealed screen and had a new working iMac.

So then … I tried to install Mojave again (10.14.4) … seemed to start with (1 min) then crash … then did not start and did not even get to the utilities of disk or Terminal with my Mojave USB Installation Disk

So I thought that the configuration of the merge disk was perhaps the cause – and so if I could reset it – maybe merge the disks and install OS X on NVME and use 1 TB for applications and user data. .

I bought a Firewire cable (and a new Mac Air book …) and used the Target Disc mode – I could see the drives – I had done first aid – without error. I've tried many different startup options – in the end, I deleted them to try to delete the merge configuration.

All I did was not helped to overcome a blocked progress bar on the Apple logo.

I can not perform Internet Restore, USB Recovery, Paragon Hard Disk Manager USB Drive, Apple Diagnostics (via the Internet) – I get an error about Unable to load EFI with cmd-D

So I figured if it had nothing to do with my internal disks (which should be blank) – maybe it's his memory … so I tried to remove a 4GB bank – the same results. tried other … same results …

The only thing I can enter is the single-user mode – but I do not know what to do to help ….

Before I start to believe that this is a logic board problem, I really want to rule out any software / firmware issues – or test HW and make sure everything works fine – but remember – I do not have OS installed for the moment.

… update …

things get worse – I do not even see drives in target disk mode anymore 🙁 – the host displays the Firewire symbol – but no drive appears on my Mac Book Air (which I just upgrade to 10.14.5 – I hope this did not cause that).
If I use the single user mode (with the USB key 10.14.4), I see the drives. are there (with ls / dev / disk *) – but I can not seem to run fsck on them (only the "root" USB)

What should I do in single user mode to be able to a) check other drives, b) view them in target disk mode, please?

On another thread, Apple Community talks a lot about the latest firmware bug Mojave EFI Firmware 224.0.0 – for example. Stop the operation of Cmd-D diagnostics:

Error: 0x8000000000000003, Unable to load "EFI / Drivers / TestSupport.efi"
Status: 0x00000003

I get that too, so I can not easily check what works and what does not work

p.s.I have changed my RAM tonight – NO change.

Thank you for any help
B

display – Add a third monitor to my iMac 2009

You do not say what iMac 2009 you have, but even the last 2009 2009 seems to support only one external display, up to 2560 x 1600. (From things like Everymac.com and MacTracker)

How did you manage to get two external screens under 1 miniDisplayPort?

I doubt that these machines have enough graphics equipment to drive 3 screens – 256 MB or 512 MB Radeon 4000 series.

There may be third-party USB solutions, but they may be extremely slow. This is USB 2, for starters, which does not have sufficient bandwidth / speed.

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imac – mojave target display mode

I'm trying to use the target display mode with a MacBook Pro (late 2015) as the main computer and an iMac (late 2013) to switch to TDM mode. Both devices are running the same version of Mojave (10.14.5). By following the steps outlined here when I press the iMac + f2 command, nothing happens. I have tried with a razor keyboard that I regularly use with an Apple Bluetooth keyboard.

macos – iMac 27 "5K i7 2017 begins to blow like a ** when Chrome Canary is open with a single tab

When I open Chrome Canary (the latest version), it opens on one of my extensions called "Paper".
It's a note-taking extension that I like very much.
I do not open any other tab and after a minute, the iMac starts to blow like it's busy …
Do what !?
I've removed all the extensions I did not need anymore, at least, but still.
Someone has an idea about what this might be?
I have closed the tab 'Paper & # 39; and now I have open StackExchange, still blowing like crazy.
I see "SystemUIServer" in processes that require 180% ?!
I have this behavior only with Canary.

Drivers – How can I disable AMD radeon and use Intel Integrated Graphics on the iMac 2011?

I have a 27 inch iMac mid-2011. The graphics card has failed and the computer is crashing randomly. This is a known problem, but it did not fail in time for Apple's replacement program. But I'm misleading …

I would like to install Ubuntu on it and disable the damaged AMD graphics card to be able to use Intel integrated graphics cards. The exit of

lspci | grep -E & # 39; VGA | Display & # 39;

is as follows

00: 02.0 Display Controller: Integrated graphics controller for Intel Corporation's second-generation Core processor family (Rev 09)
01: 00.0 VGA Compatible Controller: Advanced Micro Devices, Inc. [AMD/ATI] Blackcomb [Radeon HD 6970M/6990M]

Operation lspci -k indicates that the AMD device uses the "radeon" module and the Intel device uses "i915". So, I guess that means that both graphics devices are detected and have kernel drivers. (If I'm wrong, please let me know)

So, I tried to blacklist "radeon". in /etc/modprobe.d/blacklist.conf, but this causes the system to crash at startup. It passes in part by the loading screen of the ubuntu logo, then the screen displays text and ends with the line "GNOME Display Manager started". (sorry, I can not get a screenshot of the screen).

How should I proceed or how do I disable the dedicated graphics card and use the integrated intel graphics?

hardware – Can the base of a 21.5-inch iMac mid-2011 be removed?

I have an iMac 21.5 "mid-2011 (EMC 2389) and I'm trying to remove the media. I'm trying to follow this guide but I can not find the" lock "he's talking about." I heard that no iMac passed in 2011 has a removable media, it's a 2011 model. Is the media removable? whether or not this way) and if so, how could I do it? Thank you!