Questions tagged [imac]

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

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votes
4answers
4k views

Second monitor turns blue problem

I have recently upgraded to an iMac (Retina 5k, 27-inch, 2017) that has High Sierra (OS version 10.13.3) installed. I have an Asus monitor that I used with my old iMac and had no issues. Ever since ...
6
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3answers
15k views

iMac 27" late 2012 SSD upgrade

I'm the proud owner of an 27-inch iMac 2012 with high-end configuration, but the 1TB fusion drive keeps being the bottleneck. As my warranty has expired now, I want to upgrade the 128GB SSD to a ...
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2answers
8k views

how do I set my HD to be case-sensitive

I am running on OSX Maverick. I just realized that my machine is case insensitive. How do I reset my HD to be case-sensitive?
6
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4answers
2k views

Is Snow Leopard Server a good candidate for everyday use as a main OS?

Although similar questions have been asked before [1,2] non of them fully address whether OSX 10.6 Sever is a good candidate for everyday use on a top of the line computer. For the really lazy; 1 - ...
6
votes
1answer
542 views

iMac WiFi issue

I leave my iMac (24') on almost 24/7, putting it to sleep while not in use. Sometimes when I resume from sleep I encounter the following: WiFi shows full signal Loading web page in Safari loads ...
6
votes
1answer
768 views

iMac 2019: Can I mix the old modules with the new ones when upgrading RAM?

I've found a similar question but it's about the 2016 iMac, so I want to double check for the current (2019) model. Can I mix new RAM (Crucial CT2K16G4SFD8266) with Apple's stock RAM? I am planning ...
6
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3answers
8k views

How to hide screen when logged into remote iMac

I use Back-To-My-Mac to log into my office computer from home and vice versa. Normally, after I log into my home laptop, I darken the screen for both energy efficiency and privacy and that works fine....
6
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3answers
32k views

What do I do when OS X freezes?

It happened to me twice recently. I was just using my iMac normally, like browsing the web, and it suddenly freezes. I can move the mouse, but I can't click on anything. Keyboard not functioning at ...
6
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4answers
27k views

App Store “An Unknown Error Has Occurred”, Apple Support fix was only temporary. How fix permanently?

When opening an application installed from the App Store (TextWrangler) I am prompted to sign in. After entering the correct Apple ID and password I get an error, An unknown error has occurred. This ...
6
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3answers
5k views

iMac display has discolored tan lines

I have a 24 inch, mid-2007 iMac purchased used. I don't know the original owner and it's out of warranty. On the display is a series of tan or yellowish horizontal lines - all an approximate inch ...
6
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1answer
7k views

Mini display port cable and Thunderbolt cable compatibility

I need to run a Mini DisplayPort cable from a last generation Xserve to a circa late 2010 iMac so I can directly share the iMac's display while I set up the Xserve. Apple no longer carries Mini ...
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2answers
6k views

Considering 27" iMac. Can I use it as a TV?

I may be considering to get the iMac. I don't own a TV, but I would love to be able to use it as such. I understand it has a DisplayPort input for these types of purposes. What would I need to get ...
6
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2answers
34k views

iMac randomly shuts down

We have a late 2012 27 inch iMac. It has a 2.9 GHz i5 processor and a 1 TB fusion drive along with 8 GB of RAM. I recently upgraded it to El Capitan. A couple of months ago it randomly started to not ...
6
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2answers
3k views

How does one interpret Load Average in iStat menus?

I'm trying to find the actual GPU processor load on my iMac with the M290x. The load average being reported never goes above 5, even when running Cinebench 3d benchmarks. Certainly that doesn't mean ...
6
votes
1answer
53k views

Can I use a iMac Late 2009 or Mid 2010 as a screen for regular PC

Im thinking about building a custom hackintosh. I currently own a late 2009 iMac, the one which theoretically support video input from mini displayport. The video card I am planning to buy has a ...
6
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2answers
20k views

Can I use my early 2009 iMac as an external screen?

I have an early 2009 iMac (24" version). It has a mini display port in the back. Is it possible to use it as an external screen? If so, how do I do it? And can I attach all kinds of devices, e.g. a ...
6
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2answers
3k views

most Mac-compatible linux distribution [closed]

I want to install Ubuntu on my iMac. But I don't want to use Unity. I want to use Gnome 3. I can install it over Ubuntu (as I do on my laptop) but I know that Fedora and OpenSuse use Gnome 3 natively. ...
6
votes
1answer
553 views

What unit does the activity monitor use in the energy tab?

The activity monitor of OS X show in the energy tab the energy impact. What unit does this value use? Is it Watts? If so, 327 seems a bit high for my taste. I am running this on the low end 21" late ...
6
votes
2answers
32k views

SystemExtr quit unexpectedly

This message keeps on popping up again and again. I tried restarting my Mac and did no good. I thought it was steam causing these problems but deleting it did not make any difference. Do you think ...
6
votes
1answer
6k views

Cannot turn on Bluetooth - Exhausted all options [duplicate]

Firstly I would like to say that I have never used a Mac in my life before today so apologies if i am a little slow on the uptake. I recently purchased the iMac (27-inch, Mid 2011) which i believe is ...
6
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0answers
64 views

Is it possible to prevent applications from changing power management status?

I have several apps that behave badly on an iMac when it comes to power management on macOS (Discord and Spotify). They are listed with Preventing Sleep set to Yes in Activity Monitor even though they ...
6
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0answers
3k 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 ...
5
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3answers
321 views

Ways To Test iMac G3 Before Buying

I am going to buy an old iMac G3 Over the next couple of days/weeks, and I want to make sure that I am buying a system with no problems. I usually ask for the serial number and good pictures before ...
5
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2answers
2k views

Is my brand new iMac Pro display faulty? There's a dark band beneath the menu bar

Today I very excitedly took delivery of my very first Mac, an iMac Pro! It’s all set up and I’m very happy with most of it. But, and it’s a BIG but, I think my display is faulty. Here is a screenshot: ...
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3answers
3k views

3 Monitors in a row and I want the dock in the middle

I have an iMac 27 inch with a 22 inch monitor to the left and a 23 inch monitor to the right. I want the dock to be in the middle and want all monitors to be arranged from left to right. I keep my ...
5
votes
3answers
106k views

iMac: update OS X from 10.5.8 to 10.6 (and beyond)

A friend of mine has a desktop Apple computer (I googled Apple computer images and it looks like an iMac). He has Mac OS X version 10.5.8. When we tried to upgrade it the OS reported that there are no ...
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4answers
4k views

iMac won’t boot up from internal drive but can boot from external drive, but internal drive can boot other Macs

I am seeking suggestions on what may be going in with an iMac I am currently troubleshooting, as it’s displaying behaviour I do not recall seeing before. Short story This iMac refuses to boot up. It ...
5
votes
4answers
3k views

Cursor as full screen crosshairs

I have a 27" iMac running Snow Leopard. In a wide range of applications I often need to use a straight edge to compare different values on charts, even sometimes charts generated by different ...
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3answers
2k views

Is it bad when my iMac is constantly on?

Is it bad if I never shutdown my computer? I am asking solely terms of hardware so let's assume my software is stable and I reboot regularly to clean up software errors. If running constantly is ...
5
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1answer
4k views

iMac 27" 14,2 late 2013 CPU upgrade

I recently brought an iMac 27" 14,2 back to life after a CPU fault (which in itself was odd since I never seen a PC or Mac with a fried Intel CPU) and it runs pretty nice ... but on a Intel Core i3 ...
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2answers
45k views

How do I boot into Internet Recovery on a iMac?

i have this problem i tap on COMMAND+OPTION+R and I want to boot into Internet Recovery on a iMac and for some reason it just continues the screen and boots onto OS X Utilities. Someone help me?
5
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2answers
6k views

Turning off ambient light control?

I have a mid-2011 27" iMac. I have realized that the screen brightness adjusts depending on the ambient light. When the sun hides behind the clouds, and the room gets darker, the brightness decreases. ...
5
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6answers
2k views

High memory usage on iMac MacOS Catalina

I'm not a Mac power user by any stretch of the imagination, but I'm hoping for some help from someone here that is. There are similar questions being asked, but the answers seem to all be similar... ...
5
votes
1answer
2k views

iMac turned itself on after power was cut

I left my computer sleeping but turned off the power by accident. Hours after the power was turned back on the computer booted itself up. It is plugged into a UPS. I don't understand how this could ...
5
votes
3answers
19k views

My USB Apple Keyboard stopped working after upgrading to Sierra

I have an iMac (late 2015), which I use with a wired USB Apple keyboard. The keyboard was working perfectly until I upgraded to Sierra, at which point it stopped working. An SMC reset fixes the ...
5
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3answers
13k views

Determining OS X version from Time Machine backup

I have Time Machine backups from my iMac Early 2008 (20"). Can I determine from those backups what OS X version was running on the machine at the time of latest backup?
5
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2answers
82k views

Disassociate an Apple ID from a computer

There's a work computer (iMac) I'll soon stop using, which might be used by other people in the future. While I've mainly used a separate work-only Apple ID on the computer, I suspect I may have used ...
5
votes
4answers
4k views

iMac won't recognise .MTS videos on my hard drive, how can I play them?

We just purchased an iMac yesterday to view our travel videos. The thing is, all the videos we have stored on our external Hard Drive are in the .MTS file format (AVCHD). The thing is, the Mac or ...
5
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4answers
47k views

What can be done to fix a 2011 iMac that will not boot past the white screen?

I have now tried opening the iMac and removing the cables to the SSD, it still gets stuck on the white screen. I tried again, removing the cables to the HDD as well and the same thing occurs. No idea ...
5
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2answers
3k views

What are alternative browsers for OS 10.3.9? Where find download/install files?

Too many major websites are using features that in-effect are "walking away from" my old OS 10.3.9 and Firefox 2. (That is, my favorite browser, and its available plugins and extensions, are starting ...
5
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4answers
25k views

How to upgrade firmware and reperform a Samsung 840 Evo on a Mac

i got one of these Samsung 840 Evo Basic 500GB on an iMac (used externally in a TB case - standalone, not Fusion). I know there's a firmware update out which is already available for Mac users too ...
5
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2answers
13k views

Is there room for two drives in the 27" 2012 iMac?

I've looked around a bit, but can't find anybody saying whether there is room in the new slim iMac for an extra internal SSD. I used this tutorial about a year ago to add an additional SSD to my Mid ...
5
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1answer
2k views

Mixing memory sizes

I'm looking at upgrading the memory in my mid-2011 iMac. Is there any problem with sticking in 2 4GB modules alongside the existing 2GB modules?
5
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1answer
56 views

Can i restore a back up of the user folder to a fresh install without issues?

Can i restore a back up of the user folder to a fresh install without issues? I created the back up with the disk utility tool I am fresh installing an iMac late 2015 because it's very slow. I have ...
5
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1answer
8k views

how do I restore the Download stack in the iMac Dock? [duplicate]

Download stack is missing from the iMac Dock. The Download stack was originally present but may have been removed with the High Sierra update. Presently all downloads go directly to the download file ...
5
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1answer
2k views

Mix n match RAM memory in iMac with (potentially) an empty slot remaining [duplicate]

I'm experienced with Windows, not so much with Mac. I've just been given a 27" iMac (it's a mid 2011 model) by someone who no longer needs it. It has 4 memory slots and presently two are occupied with ...
5
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3answers
8k views

iMac randomly wakes up from sleep

My iMac (27-inch, Late 2012) randomly wakes up, up to 9 times a day. I'm using El Capitan 10.11.3 (15D21). A syslog | grep -i "Wake reason" shows the following many times: Apr  5 00:02:50 Nikolajs-...
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2answers
13k views

Errorr kernel SMC::smcReadKeyAction in Console

I have OSX 10.9 Maverics on my iMac and I got this message (in Console) every few seconds: kernel[0]: SMC::smcReadKeyAction ERROR TH0P kSMCBadArgumentError(0x89) fKeyHashTable=0x0xffffff802af9b000 ...
5
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4answers
2k views

Console + iMac 27" 2011 External Display

Can i use the iMac 27" mid 2011 as an external display for, let's say, a Playstation 3? Is this possible for the latest iMac?
5
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5answers
17k views

Is it possible to use an iMac's screen as a second monitor?

Is it possible to use an iMac (early 2008 model) as a second monitor (note: not with a second monitor)? I have a Windows 7 laptop (for work) and when working at home it would be nice if I could ...

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