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Questions tagged [imac]

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

4
votes
0answers
329 views

2017 iMac (27” 5K) not working with headset microphone

I recently purchased a 27" 5K iMac (2017 model) and am trying to use a KOTION EACH G9000 3.5mm Game Gaming Headphone with it. The headphones work fine, but I'm having problems using the microphone. ...
4
votes
0answers
2k views

macOS Sierra - Change default Volume Up/Down keys to Option+Shift+Volume Up/Down?

Background The current behavior for the Volume Up/Down keys is to adjust the system volume in whole increments. But! The key combo Option(Alt)+Shift+Volume Up/Down will change the volume in 1/4 ...
4
votes
0answers
532 views

Is it possible to mirror 2.5K or 5K iMac display to 1080p TV through Apple TV without swithcing iMac's resolution?

I have a 27" iMac with 2.5K built-in display resolution. Also i may replace it with a 5K/retina one. The problem is mirroring it's display without changing my mac's resolution other than it's native ...
4
votes
0answers
1k views

Is it possible to have an iMac maintain target display mode even through sleep/screensaver

I want to be able to make it so that my iMac doesn't exit target display mode until the thunderbolt cable is pulled from my Macbook. I love target display mode in theory, but every time I lock my ...
4
votes
0answers
935 views

OSX Screensaver photo repeat problem

I have an iMac running OSX 10.8.4 and I have a large collection of photos (10,000+) that I want displayed during the screensaver. I would like to see a uniform distribution of all photos. However, I ...
3
votes
0answers
477 views

Use built-in iMac camera on display connected via Thunderbolt

I've got a 27" iMac connected via Thunderbolt using Target Display Mode. It all works fine. I am wondering if there is a way (hack or otherwise) to activate and use the built-in camera from the iMac ...
3
votes
0answers
585 views

“Airplay 2” to a Mac?

I have software (Reflector 2 and Airserver) that allow me to stream over AirPlay 1 from my iOS device. However, AirPlay 1 does not allow me to use the multiple device feature built into AirPlay 2. I ...
3
votes
0answers
58 views

Weird Safari pixelating issue

The issue started after updating to macOS high Sierra. The problem can't be shown when a screenshot is taken or if the cursor is hovered at those areas. So below is image captured from my phone and ...
3
votes
0answers
511 views

Unable to restore iMac

I am somehow unable to restore my iMac from 2011. Someone gifted me the iMac but had his HDD removed. I thus reinstalled a new HDD. After the chime I press Option+Command+R and the network restore ...
3
votes
0answers
80 views

Is it possible to disable/enable a current model iMac's internal screen at will?

TL;DR As far as I know there is no way to easily disable/enable an iMac's internal display at will while simultaneously powering up an external display. Can anyone suggest a solution to achieve this ...
3
votes
0answers
531 views

Folder With Question Mark After SSD Upgrade And OS Reinstall

I have a problem with my friend’s iMac (mid-2010) that I'm fixing. I’ve replaced his hard drive with an SSD (the Samsung 850 evo) and after reinstalling the OS via recovery mode (cmd+R) it shows a ...
3
votes
0answers
332 views

Standard iMac pmset

I recently got a new iMac 5k late 2015 with 2Tb Fusion drive. Ever since arrival, it had sleep problems. It would go to sleep and wake without any problems except if it went into standby(after 3 hours ...
3
votes
0answers
339 views

iMac 27'' late 2009 with GPU problems gets fixed by reinstalling Mac OS, what can be really happening?

A familiar has given me an iMac 27'' late 2009 because it supposedly got it's GPU broken. When it was given to me, after booting Mac OS X, it got almost frozen only being able to move the mouse in ...
3
votes
0answers
566 views

Can't control volume from connected computer when in Target Display Mode

I frequently hook up my MacBook Pro to my iMac in Target Display Mode, and use my iMac's speakers. The big drawback with this setup is that the volume control is grayed out in the menu bar of the ...
3
votes
0answers
661 views

Letters / text that I type shows up in the wrong order

I've been having this issue for a while now, very inconsistently. When I type strands of text, sometimes the letters appears in the wrong order (I remember it mostly happening when I type text in ...
3
votes
0answers
2k views

Repeated crash errors following El Capitan Upgrade

I upgraded to El Capitan and I keep getting repeated crash errors for the following: Process: com.apple.geod [803] Path: /System/Library/PrivateFrameworks/GeoServices.framework/Versions/...
2
votes
0answers
142 views

How to enable external display on iMac with dead screen

On a iMac 24-Inch (Early 2008) Model:A1225 EMC:2211 I have a bad display - can just about make out the apple logo when I power up but can't see where to enter the password. I have a Mini-DVI to DVI ...
2
votes
0answers
250 views

Can an iMac be used as an external monitor with the 2018 iPad Pro as the source?

Apple just released the new iPad and as one can clearly see Apple showed how we can use it with an external monitor via the USB-C Port. So, my question is can the same principle/procedure be used for ...
2
votes
0answers
44 views

Packet losses between my iMac and my router with Ethernet

The short: I'm having packet losses between my iMac and my router ca. 10-20%, but ONLY when using ethernet connection. (...thus with WIFI and the same iMac there are no packet losses at all) The ...
2
votes
0answers
100 views

Boot Partition suddenly inaccessible

I've run into quite a problem - my Mac (mid 2015 21.5" 4k iMac, running Mojave) cant find my boot partition (disk0s2). I've made some headway, it previously just showed it as FFFFFFFF-FFFF-FFFF-FFFF-...
2
votes
0answers
170 views

Mac not starting or going into recovery mode

My Mac (mid 2011 21.5" iMac running mac OS High Sierra 10.13.6) suddenly froze while watching a video and restarted. It now keeps on restarting. Soon thereafter, my wireless keyboard stopped working, ...
2
votes
0answers
21 views

Right-click randomly quickly hides menu

I'm not figuring out what is causing this, but often when I right-click, the menu appears then quickly disappears... the time it takes seems random, I'm not finding anything consistent about it. The ...
2
votes
0answers
16 views

Identify cause of graphic errors

I have a late 2006 iMac with Intel Core2Duo, 64-bit (32 bit EFI) with some upgraded parts: 2*2GB RAM (only 3 GB can be used) 100GB SSD which has been running for 3 years now with trim-enabler In the ...
2
votes
0answers
19 views

On iMac, using external monitor only intermittently

I have an external monitor hooked up to my iMac. I only use it when I'm coding, so mostly it's off. But some windows can get lost over there, because as far as my iMac knows, it's still in use. What's ...
2
votes
0answers
375 views

Command + F2 has stopped enabling Target DIsplay Mode

Command + F2 to enable Target Display Mode (using a Thunderbolt cable between my two iMacs) has mysteriously stopped working. I have a new iMac and an older iMac (late 2012) both running 10.13.4.
2
votes
0answers
59 views

iMac creates ._filename, MacBook Pro not

I’ve been searching on the forums and Google for a while now but couldn’t find a answer to my question. It’s a ._filename related one but one who varies from the search results. First my Hardware ...
2
votes
0answers
482 views

27" iMac late 2009 - Monitor and graphics card broken

I have a late 2009 27" iMac which has served my well for many years. Unfortunately, it seems the graphics card is broken. Trying to boot normally, I just get the grey screen of death after the initial ...
2
votes
0answers
492 views

Mail 11.2 not grabbing new mail from Exchange server

I can send my exchange mailbox an email from a gmail account and the mail shows up in my exchange mailbox in OWA and then it shows up in Outlook. However, it does not show up in the Mail app. I've ...
2
votes
0answers
99 views

Salvage data from fusion drive

I have a 2015 iMac 27 inch that had a fusion drive. I recently replaced the fusion drive with a SSD drive. It seems that my iMac had two storages. One is an 128GB SSD drive connected via PCI and a ...
2
votes
0answers
2k views

macOS 10.13: Entering sleep mode restarts iMac

I have a problem on my iMac (late 2013) ever since I installed High Sierra (10.13 - 17A405). When my iMac goes into sleep mode because I'm away for too long, or when I manually activate sleep mode (...
2
votes
0answers
1k views

How to clean install Mac OS X on an iMac G5 with new HDD?

I have bought an old iMac G5 (A1145, iSight 20") from a friend and there was no OS installed on it. So now I want to make a clean/new OS X installation. I created an install USB (with Tiger 10.4.6) ...
2
votes
0answers
331 views

How to go higher DPI by lowering 5k iMac's resolution?

I started using 1440x810 or 1280x720 resolutions on my 5k iMac. I somewhat expected better quality because I thought it would be 2x Retina. It looks like that is not the case. I would like to know.....
2
votes
0answers
263 views

Data Recovery options for iMac late 2013 1 TB Fusion Drive

My friend's iMac crashed. He took it to an Apple Store and they said the 1 TB HDD was failing. They got him to boot off an external and told him to go home back his stuff up and they can order and ...
2
votes
0answers
68 views

Contacts Disappearing from Groups

I am running Sierra 10.12.3 on a new iMac purchased in Jan 2017. We are running on an exchange network and I'm trying to re-create my groups in Contacts. I create the Group, search for the contact ...
2
votes
0answers
433 views

Magic Mouse not scrolling!

Just bought the magic mouse 2 it's working but not scrolling up and down. When I go into system preferences and click on mouse, it shows there is no mouse found! Help!
2
votes
0answers
106 views

Why does only one of my Macs display iCloud tabs in Safari?

My iMac seems to have a problem with iCloud tabs. On my iPhone and MacBook I can see Safari tabs from my iPhone, MacBook and iMac. However, on my iMac I do not have the option to add an iCloud tabs ...
2
votes
0answers
38 views

my iMac connects to internet on one account but won't on another (wifi is fine)

My mac is only getting online from one of my accounts which is not Admin. The account it works on is fine and works perfectly but when i switch to my other account it starts popping up windows telling ...
2
votes
0answers
619 views

CPU throttled to 0.8GHz due to “GPU LIMIT PROCHOT”

Suddenly my iMac (late 2013) started to throttle CPU to 0.80GHz, everything becomes super sluggish. It happens ~5-10 min after a fresh reboot, sometimes it goes back to full speed for short periods, ...
2
votes
0answers
1k views

“No output device found” after Sierra upgrade

I upgraded my iMac (model 14,2) from Mac OS X El Capitan to macOS Sierra yesterday. The update went smoothly except that once the update finished and I logged in, the volume icon in the menu bar was ...
2
votes
0answers
51 views

Does Dark Wake turn on the backlight, but with all pixels black, on an iMac?

Sometimes, when I wake up in the middle of the night, I find my iMac's screen suddenly come on, but with all pixels black. On one occasion, I also found color bars like at the top-left corner of ...
2
votes
0answers
2k views

How to remove all traces of an Apple Id from a Mac

If I go to the System Preferences and select iCloud, it prompts me to sign in with my Apple Id. Only problem is, it auto-fills the Apple Id of the previous user. If I try to delete the existing id ...
2
votes
0answers
74 views

What is Yosemite doing when it has a seizure?

Ever since I installed Yosemite on my iMac, it's become unresponsive for about 5–10 seconds when I do any of a variety of common actions. The following usually trigger a delay: a few seconds of no ...
2
votes
0answers
1k views

Airport Extreme (5th gen) throttling ethernet internet speeds

I purchased the router in 2012, and am experiencing slower speeds than expected from my Airport Extreme. Brand new 16x4 channel DOCsis3 modem on Time Warner's approved list. 200 Mbps plan, and ...
2
votes
0answers
857 views

Force eject a CD from a broken iMac SuperDrive (hardware issue)

Today, I inserted a CD into my 2007 iMac desktop, but when I tried to eject the CD, the optical drive made some odd whirring noises, and nothing was ejected. After further research, I tried every kind ...
2
votes
0answers
133 views

Use Ram as graphics memory 5k imac

My graphics memory (4gb) is getting eaten up by my 3 or 4 apps that are open. Is there any way to allow the graphics card to use free RAM instead of swap memory? The second the graphics card dips ...
2
votes
0answers
795 views

Repeated Kernel Panic on 5K iMac

Anyone have any ideas what cause my iMac to crash? Here are some panic reports... Anonymous UUID: 80AC7863-37B8-41EC-B86D-74843925A2FD Fri Jan 23 11:45:47 2015 *** Panic Report *** panic(cpu ...
2
votes
0answers
105 views

messed up screen sharing

I am screen sharing from an iMac 10.6.8 looking at a MacBook Pro 10.8. Quite often, but not always, the shared screen looks like this on my iMac. (This image is anonymized.) So there is the real ...
2
votes
0answers
40 views

AppleStore removed after the OS rollback

I have really unexpected problem with my iMac. Yesterday I've decided to create a Copy of my system, and today I've done a rollback, but suddenly I've added the appsstore to ignoring list of ...
2
votes
0answers
182 views

After deleting a partition, iMac will only boot to a grey screen — how do I fix this?

I was deleting a partition when my iMac froze and rebooted itself. Now I can't get any further during boot than a grey screen. Things I have tried to fix this include: Booting with CMD-R (boots to a ...
2
votes
0answers
73 views

iMac 27" intermittently fails to reach login screen after Mountain Lion Upgrade

I have recently upgraded to Mountain Lion from Snow leopard and now the system will not always go to the login screen. (iMac 27" circa 2010 standard as it came from Apple no upgrades) I have tried ...