Questions tagged [imac]

iMac, a range of all-in-one Macintosh desktop computers from Apple

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54 views

Ethernet is connected but no internet access in MacOS

I am working on iMac Retina 4K 2017 with macOS Big Sur v.11.2.1. The Ethernet is connected to the iMac but unfortunately no internet access. I've tried these approaches: I've created new location and ...
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Facetime audio calls not working using iPhone

I have a Netgear Nighthawk MR60 mesh system with a WiFi router and one satellite. Since I installed it, I cannot make calls using my iPhone xs with either of my Mac computers. The window comes up ...
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Problems logging into Mac after reinstalling older OS

I’m having problems with my late 2013 27 inch Mac and need some help. Last night I tried to install a newer OS (Mojave) and it told me there was a disk management error (69854). I was previously on OS ...
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2017 iMac crashes when booted from thunderbolt SSD

My dad's 2017 iMac with the 5400-rpm internal hard drive was painfully slow, so I installed Big Sur on an external 1TB Thunderbolt SSD and migrated the contents of the internal drive onto it. I am ...
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Why is my iMac slowing down under multiple users?

Hardware: I have a 2014 iMac 5K. It's got 24GB of RAM and a 2TB SATA SSD I installed myself last summer. Full specs here: https://support.apple.com/kb/SP707?locale=en_US Software: Catalina 10.15.7 is ...
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Upgrade your iMac's 720p FaceTime webcam to 1080p?

At least since last March we all know the 720p FaceTime webcam on 21.5 inch and previous generation 27 inch iMacs are terrible. Starting August 2020 the 27 inch iMacs (and even before that the iMac ...
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132 views

How can I troubleshoot or fix when macOS Photos app import from a connected iPhone gets stuck on “Preparing to import from…”?

How can I troubleshoot or fix when macOS Photos app import from a connected iPhone gets stuck on "Preparing to import from..."? Devices: iMac Retina 5K 27-inch 2017, macOS Big Sur 11.2.3 ...
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How can I know my current administrator password without resetting or changing it [duplicate]

I really need to access the administrator password but I forgot it. BUT I really don't want to reset or change it. I just need to know the current password.
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Disable iMac internal display without 3rd party software

I'd like to disable my iMac's internal monitor, and just use my external monitor instead. These are things I've tried/considered and didn't work: Software Solutions Set brightness to "0" - ...
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iMac 2009 27 in used as display in target display mode from a new MacMiniM1 (2020-2021) [duplicate]

I would like to use the iMac 27 in 2009 used as display in target display mode from a new MacMiniM1 (2020-2021)/ The MacMini has a TB 3 / USB3(A) and a HDMI ports. The iMac a MDP Apple suggest to ...
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iMac login screen has inverted colours for 20s before flipping back to normal, what might be causing this?

On a three year old iMac, whenever the iMac wakes from sleep, the screen is always inverted (think 'coloured negative filter'), this lasts for a 20 seconds or so and then the colours go back to normal....
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When I try sending messages to certain destinations I get a “Not delivered” message

I have a friend I text many times a week. My iPhone 11 and my older iPad Pro will both deliver the messages fine. My newer iMac recently stopped delivering messages to him. It immediately gives me the ...
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Batch Sync iPhone photos to iMac Photos app via Bluetooth

The goal is to eliminate the USB cable that syncs iPhone photos to Catalina (Photos app). Is there a good example of how to replace the cable by configuring Bluetooth on the PC and phone? I would ...
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iMac 27" late 2012 boots into Windows 7, but screen is white. How to activate screen?

I've replaced the HDD in an iMac 27" late 2012, and image copied it to new one, and it doesn't seem to want to boot. I noticed it actually boots into Windows 7, but the physical screen is still ...
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Firmware Locked Password

I have an 2012 imac with the most current Update software being High Sierra. I've seemed to have locked the firmware and I can't get passed it I don't have a receipt so no in store help. I've put &...
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My iMac gets stuck after internet recovery

Model: Late 2012 iMac OS: Catalina CPU: 3.2ghz i5 Intel something GPU: 675MX Storage: 1TB HDD Last thing I did: play TF2 It’s stuck at the progress bar. The recovery partition isn’t available. I tried ...
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iMac disk full from duplicate folders

I have an iMac 2017 running on 10.15.7 with 1tb SSD. Today I saw my storage space taken over by a folder of over 200gb. Under Macintosh/Volumes there is a folder named after my External HDD. In ...
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Finder not responding when logged in to iCloud

Finder has completely stopped working (is unresponsive/won't open.) I have to force quit each time I try to use it. My Desktop items have stopped showing too. Some other apps on my machine have also ...
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Can you downgrade a 2021 iMac to Mojave?

We work on an older SAN that will not run on OS beyond Mojave. And yes, if money was no option and I could replace 400TB with a more modern system I absolutely would. However, it is what it is and I ...
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Extend 2019 MBP screen to 2017 iMAC 5k [duplicate]

I own a MBP 2019 and iMac 2017 5k. Mostly I use the MBP for my programming as it is having an SSD. Is there any way to use the iMAC as a secondary display or mirrored display using the type c cable or ...
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34 views

Can iMac 2017 5K 27' support 3 external monitors? [duplicate]

Does anyone know if the 2017 5K 27' iMac can support 3 external monitors? Mine is with Radeon Pro 580 8GB graphics, and can't make it work with 3 external monitors. Spec: Retina 5K, 27-inch, 2017 3.8 ...
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27 views

2010 27" iMac - ambient sensor connection on cpu fan

2010 27" iMac - regarding the ambient sensor connection on cpu fan housing - What is the proper contact position of the sensor with relation to the bracket that secures/holds the sensor in place?
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iMac won't read DVD-R and DVD+R

I have a couple of TDK DVD-R and Maxell DVD+R that I have used to store photographs on. The DVDs are about 12 to 13 years old, but I have tried reading a few on a Windows PC and so far all could be ...
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Prohibitory Sign Appears Sporadically

There is a popular question about what to do when the prohibitory symbol (stop sign) appears on a Mac. For me, none of the solutions work, but sometimes my iMac just manages to load. I've lived like ...
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How do I specify which bluetooth devices can wakeup my iMac?

I've seen many posts regarding bluetooth headphones waking up people's Macbooks, and the solution is usually to uncheck the advanced bluetooth setting which allows for devices to wake up a sleeping ...
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Sudden Audio Balance Issue On 4K iMac

I am partially deaf in one ear and require the use of the accessibility feature of "Audio Balance" when using headphones and over the past 48 hours I've noticed a big problem with my iMac 4K....
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Can I connect a LED cinema display to an iMac late 2013?

I'm wondering if I can connect: LED Cinema Display (27-inch) to a: iMac (27-inch, Late 2013) My conundrum arises because the iMac has only thunderbolt ports but LED Cinema Display uses a ...
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Difficulty booting 2013 iMac from external SSD via USB 3.0

Recently, I have been running into difficulty booting into macOS using an external SSD connected via USB 3.0. Backstory... 2013 Imac was working great for about 5 years until the internal HDD started ...
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Bootcamp - Windows 7 Installation Help

I have a mid 2011 21.5” iMac with High Sierra, the disk drive I think has an issue, it writes to DVDs but can’t read. I successfully burned Windows ISO to a DVD+ disk but the drive reads it as blank ...
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1answer
117 views

Why won't my iMac boot? (com.apple.displaypolicyd exited with abnormal code: 1)

I'm using a 21.5-inch 2017 iMac with 3.6GHz i7 CPU, and Radeon Pro 560 graphics card. I'm running Mac OS Mojave 10.14.6 For the last week, the iMac will not finish booting. The progress bar gets ...
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1answer
50 views

Repurpose Fusion Drive - Booting from USB 3.2 Gen 2 SSD

iMac Retina 4k 21.5" (2019) 3GHz Core i5 with 8 GB RAM and 1TB Fusion drive. Big Sur 11.2 booting from external 1TB Samsung T7 SSD, backing up to a NAS. Questions: Is the internal SSD (28GB?) ...
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Mac mid-2010 screen stay black but sometimes works

I have an mid-2010 iMac with 2 gigs of rams and he doesn't work everyday. He make the start sound but I need to restart 4 or 5 times to see somethings . Is this a problems of gpu or power supply ? Did ...
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22 views

Holding down the option key isn't allowing me to see boot menu on iMac mid-2010

I get an old iMac mid 2010 without hard drive and when I press "alt" on Windows keyboard (equivalent of "option" on Mac) nothing happens. Then the Apple logo appears with a charge ...
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What's the difference between OWC's HDD/SSD thermal sensor(s) vs shorting the pins/using an ODD thermal sensor/replacing with a bipolar transistor?

When swapping the HDD/SSD in a 2009-2010 iMac, the HDD fan will go haywire if the HDD is not an Apple OEM drive, or some trick is done with the thermal sensor such as shorting its pins, replacing it ...
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3answers
190 views

Late 2010 iMac getting quarter way in booting then turning off

Late 2010 iMac getting quarter way through booting then turning off Ok - first things first, apologies for a long post - I have lots of details about this issue. Context: As far as I can remember, ...
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173 views

Late 2013 iMac: help with troubleshooting intermittent crashing problem

I've been having an intermittent problem with my late 2013 27" iMac for more than a year now and it seems to be getting more frequent. Basically, I could be doing anything on my iMac (or nothing ...
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1answer
54 views

Old iMac Hard Drive not readable as external

My friend's iMac would not boot. I ran TechTool Protogo using a thumb drive with TTP 9 to test the hard drive. It reported several hundred failed sectors on the drive, so I recommended we replace it....
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1answer
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I Mac wireless keyboard return key not working

My wireless keyboard return key isn't working, it randomly stopped with no damage to the keyboard and is not stuck down i.e still clicks, can you help please?
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Issue with my new iMac

I have a new iMac (27" 5k, mid-2017, 3.7ghz i5)(new in box, hadn't been opened), that has a 2tb fusion drive. I went through set up, but maybe I missed a step, because my drives are showing up ...
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Can't Connect via ethernet on Mac but Wifi works!

Can't Connect via ethernet on Mac but Wifi works!! Automatic DHCP comes up with Odd IP address and Subnet that doesn't exist in my range? Have tried all the standard things restart, remove from list, ...
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iMac 10,1 allegedly does not support nvram, and takes longer than usual to boot. What could be the issue?

Command+Option+P+R does nothing, and executing nvram -xp and nvram -c returns the same nvram is not supported on this system This is on a clean install of Yosemite (installation of El Cap and above ...
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23 views

iMac 2011 with dual drive HDD/SSD: missing recovery mode

I upgraded my Mid-2011 21.5in iMac (running High Sierra) with the ifixit-dual drive kit (i.e. installing an SSD on top while leaving HDD and superdrive in). Everything has worked flawlessly. I don't ...
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iMac keeps booting from internal HDD after update

I have an iMac Late 2013 with an SSD connected externally where I have macOS installed and it was set as the default boot drive. I've been booting from the SSD for about 3 years without a problem. ...
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iMac 2011 21.5 Kernel Panic after upgrades (GPU k1100m) running Catalina, issue did not use to occur even after upgrade

Report panic(cpu 0 caller 0xffffff8002e469aa): Kernel trap at 0xffffff7f83e38a9a, type 13=general protection, registers: CR0: 0x0000000080010033, CR2: 0x00007fff8fde0000, CR3: 0x00000004bee360c9, CR4: ...
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1answer
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iMac screen shows nothing after replacing hard drive

I replaced the hard drive on my iMac 8,1 (iMac 20-Inch "Core 2 Duo" (Early 2008)) per OWC's instructions with an SSD I had sitting around. I used a 2.5" to 3.5" adapter that would ...
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1answer
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iMac boots to blinking cursor after changing boot partition

I have an old iMac (2009) and I've been digging through to make sure there's nothing we want to keep before wiping it to sell. Once upon a time it had dual boot through Bootcamp. I was looking at the ...
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keys 789jklm. do not work with imac

I have tried 3 different apple magic keyboards with my older imac, these specific 8 keys don't work at all, 7 8 9 j k l m . on any of them. I have a wireless acer and all keys work just fine. I use ...
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Can someone please help figure out this kernel panic report? I have been having these panics almost daily

So far it is happening randomly, the "BSD process name" line reflects different apps each time. I only use a few apps regularly - firefox, vlc, transmission, calendar, itunes. Is this a ...
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34 views

Startup Disk selection issue

I have a 21.5-inch, Late 2013, 2.7 GHz Intel Core i5 iMac On the built-in SATA Hard-drive I have High Sierra OSX installed - I retain it because I have several applications which don't run on anything ...
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3answers
194 views

Storage devices that work with both iPad and iMac

I currently have a problem that my grandparents have an old Mac Mini (2007 or so) which is no longer fit for use. They generally just use an iPad now for all of their internetting/computing needs, ...

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