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Questions tagged [imac]

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

41
votes
2answers
156k views

How can I turn off a Mac's display without sleeping the Mac itself? [duplicate]

Possible Duplicate: Is it possible to put the display to sleep without putting the whole computer to sleep? I have an iMac, and sometimes I want to play some music over night, without the bright ...
37
votes
8answers
123k views

Put the display to sleep without putting the whole computer to sleep?

I like to use vnc on my ipad on my bed. I want the mac to go to a black screen so I can fall asleep while using the ipad, and not have to get up to shut down the mac afterwards. Is there anyway to ...
35
votes
9answers
22k views

Recent items menus have stopped working on my iMac

Recently I noticed that on my iMac, running El Capitan, the Open Recent menu has stopped getting updated, both in the Apple menus, and for apps, and both for the Open Recent menu item, and the list ...
30
votes
1answer
12k views

My Mac repeatedly beeps three times on startup. What does this mean?

When I try to boot my Mac I get nothing but strange beeps. They beep as follows: BEEP BEEP BEEP [3 second pause] BEEP BEEP BEEP [3 second pause] and it continues until I power off. So far, I have: ...
28
votes
3answers
288k views

How could i use an iMac as secondary monitor for a Windows 7 laptop

Recently (less than one year ago) i bought an iMac 21,5". Now i would like to use it as secondary monitor for my laptop. (My laptop runs Windows 7). Is it possible? (I found conflicting opinions on ...
20
votes
1answer
11k views

Is it possible to use my Mac to mine Bitcoins?

So Bitcoin seems all the rage, but it’s way too expensive for us mere mortals. Who can afford a bitcoin, right? But apparently bitcoins are produced by mining them and mining them involves a computer ...
20
votes
5answers
90k views

iMac FaceTime HD camera shows no image/black image

There's an iMac whose FaceTime HD camera isn't displaying video images in applications like FaceTime, Photo Booth, or QuickTime video recorder. OS X El Cap shows that the camera is attached and ...
20
votes
6answers
56k views

Can I compile .NET C# code on my Mac?

I need a way to cross compile a short piece of .NET C# code to a dll, which will then run a client's Windows environment. I run OS X 10.9.2 on an iMac. Does anyone know what tools allow this? I ...
19
votes
5answers
22k views

ntpd not updating time

I had updated my old iMac to Mavericks just fine. I then bought a new (certified refurbished, actually) iMac and migrated everything over from a Time Machine backup. The new iMac's clock loses ...
18
votes
6answers
30k views

How do I stop my computer name from automatically, and incorrectly, changing?

Ever since I upgraded my 2009 iMac to Mavericks, I often get a message stating 'The name of your computer "Foo" is already in use on this network. The name has been changed to "Foo (2)".'. The number ...
17
votes
9answers
33k views

Is Shutting Down An iMac Or Mac Mini Really Necessary?

In today's age with low power standby modes & the advanced OS X that is Mountain Lion, it is simpler than ever to go for long periods (perhaps months) without shutting down your iMac (and possibly ...
16
votes
6answers
13k views

How to stop iPhone from listing iMac as audio source during phone call?

I just purchased an iPhone 8 Plus which is running iOS 11.2.1. I am upgrading from an iPhone 6s which I never upgraded to iOS 11. When I make a phone call, the top right option used to be a toggle for ...
16
votes
6answers
77k views

Can I use my Macbook Pro Retina as extra monitor for my iMac through Thunderbolt

I just bought a new late 2013 iMac and a new late 2013 Macbook Pro retina. Also bought an Apple thunderbolt cable. Pressing CMD+F2 (enabling Apples "Target Display Mode") on my iMac lets me use the ...
16
votes
2answers
30k views

Can I get sound out of both iMac and attached Thunderbolt Display?

I have a dual monitor setup (iMac + Thunderbolt Display). The System Preferences > Sound > Output setup only allows me to choose between one or the other monitor. This causes the sound to come only ...
14
votes
3answers
228k views

How can I find the product key of Office 2011 after restoring from backup?

I had to restore my iMac from a Time Machine backup. Everything seemed fine until I tried to start Office 2011 and it is asking me to re-enter my product key. I am trying to locate my key (I believe ...
14
votes
3answers
9k views

How can I disable the 2nd hard drive in my 27" iMac?

I have an 2010 27" iMac with an SSD and a regular hard drive. Now that I've been using the machine for some time and have not come close to filling the SSD, I'd like to disable the spinning hard drive ...
13
votes
10answers
29k views

How can I make my 27“ iMac and my 27” Thunderbolt display the same height?

I'm using an external 27" Thunderbolt display with my 27" iMac and I want the iMac and display to have the same height. By default, the Thunderbolt display is about an inch shorter than the iMac, ...
13
votes
7answers
39k views

How can I keep my fan from staying at full speed after replacing the hard drive?

I replaced a hard drive in a 2011 iMac (Core i7), though it was a standard hard drive and didn't have a location for the S.M.A.R.T. cord. (Or at least I think that's what it was.) Since then, the ...
13
votes
3answers
70k views

How Do I Remove Remote Disc from Finder (not in the Sidebar)

I've an iMac 10.10.3. When I open Finder and go to iMac under Devices I see my HDD, NAS, etc. But I also see "Remote Disc". I can't eject it (right click->Eject doesn't do anything) or trash it (The ...
13
votes
5answers
20k views

IMac freezing intermittently--every few minutes. How can I fix this?

A couple of days ago, I was browsing, and downloading something from Usenet, when my iMac all of a sudden froze up, grinding to an unbearable slowness. After trying to tolerate what was happening for ...
13
votes
2answers
23k views

Do USB-C to Thunderbolt 2 cables exist?

I’m purchasing a 2017 MacBook Pro and plan to use my old Mid-2011 iMac as a monitor in Target Display Mode. I’ve discovered I need a USB-C to Thunderbolt 2 connection to make this work, but I’m ...
13
votes
7answers
39k views

iMac not shutting down since upgrading to OS X 10.11, El Capitan

The iMac will not shutdown as normal, the spinning loader is visible and it stays in that state if I don't interrupt it using the power button. I want to be able to shutdown as normal, at present I'm ...
13
votes
4answers
9k views

Can you turn off or disable the display on an iMac?

I'd like to turn off my iMac display while connected to it via a remote desktop session. I'm using TeamViewer or LogMeIn, and unfortunately the screen stays on during those sessions when it really ...
12
votes
7answers
62k views

iMac with 8GB RAM — memory always almost full

I have a 27'' iMac (Late 2012, OS X 10.9.2) with 8GB RAM. The usage of memory is always above 7GB, even though I don't think I am running that much stuff. This leads to the occasional hanging of a ...
12
votes
6answers
16k views

Can 'Find My Mac' work while the computer is sleeping?

Is the 'Find My Mac' feature of iCloud supposed to work while the computer is sleeping? I use this feature to check on things every once in a while, as well as show the feature off to other people. ...
12
votes
1answer
2k views

What is this black bar at the bottom of my Dock?

I have this strange bar at the bottom of my Dock: What could it possibly be and how could I remove it? It is non-blocking but distracts me when using the Dock.
12
votes
4answers
1k views

What is the best way to use two 27" monitors on your desk?

In my work environment I have three smaller monitors and love the productivity benefit. At home I have two 27" displays (the iMac and an external cinema display), but am having trouble laying them out ...
12
votes
1answer
8k views

How do I disable/configure macOS Sierra's auto throttling of the CPU for processor intensive tasks

I'm using an iMac (late 2015) with an Intel core i7 (quad core) 4GHz CPU with 32GB ram and a 3TB Fusion Drive. I'm a software developer working on a huge codebase that used to take about 30 minutes to ...
11
votes
3answers
3k views

Do LAN transfers use both Ethernet and WiFi by default?

So, I'm doing a 100+GB transfer over my LAN from my iMac to my NAS, I was simply wondering if it would utilize both the ethernet and the wifi for the transfer. If not, is there a way to enable ...
11
votes
2answers
32k views

Why Does My iMac Wake Itself Up?

I have an early 2009 24" iMac. Lately, when in sleep mode it will occasionally wake up for around ten seconds with the screen off, then go back to sleep. Wake on LAN is turned off so I can't figure ...
11
votes
3answers
18k views

xpcproxy using all my bandwidth

I have recently installed an SSD in my iMac and restored my backup using SuperDuper!. Since then, xpcproxy seems to randomly download stuff and uses all my bandwidth for minutes on end. What would be ...
11
votes
1answer
286 views

Is there a way for me to view my work or my whole iMac screen in grayscale?

I am working on a job that will be published in print and online in grayscale. Most of the creative work is being created in QuarkXPress. My problem is that I really need to see how this is going to ...
11
votes
1answer
54 views

Can't switch on Wi Fi after internet sharing stops due to VPN dropout

We use a VPN to get around geoblocking because we now live in a different country to our native homeland. We do this by using an iMac to connect to the internet via an ethernet cable. I then connect ...
11
votes
4answers
39k views

iMac freezes complete, except mouse pointer. What can I do?

Recently, I've noticed a strange behavior on my iMac (Yosemite 10.10.4, Late 2009). Everything freezes completely - it's totally unresponsive. HOWEVER, I can continue to control the mouse pointer ...
11
votes
2answers
1k views

UHD Blu-ray playback on iMac 5K 2017?

I recently saw that there are already UHD 4K Blu-ray drives (with SATA) available, like this one from Pioneer which should (combined with appropriate USB housing) make mounting the disks in macOS ...
10
votes
3answers
1k views

Harmful to never put to sleep / shut down a mac?

Is it harmful for a mac in any way to never put it to sleep, or to turn it off? I have a macbook air and an iMac that I set to never sleep in the settings. Only the displays go to sleep. I turn them ...
10
votes
4answers
11k views

MacOS High Sierra: An error occurred while verifying firmware

I have a Mid 2011 iMac currently running MacOS 10.12 Sierra. It’s not my main machine, but I would like to install 10.13 on it. Updating starts smoothly enough, but when it comes to restarting, I get ...
10
votes
2answers
1k views

How to wipe an iMac that can't be turned on?

I have a 2008 model iMac that just can't be turned on. When it died, it shorted the house's fuse with it. Is there any way that I can wipe out the hard drive (without much effort) before throwing it ...
9
votes
2answers
3k views

How to charge MacBook Pro quickly from an iMac?

I am charging a MacBook Pro using a Thunderbolt 3 cable plugged into an iMac. This charging speed is exceptionally slow. The image shows 5+ hours to charge the laptop. I am using: 2018 MacBook Pro ...
9
votes
1answer
15k views

Changing sublime text 3 icon in dock on Yosemite

I tried to change the Sublime Text 3 icon on the dock changing the Sublime Text.icns file in path /Applications/Sublime\ Now in the dock appears the default app icon (the one for apps that doesn't ...
9
votes
4answers
13k views

How to control fan speed in macOS Sierra?

After replacing the hard drive in my 2009 iMac 27", I noticed that the hard drive fan spins at maximum speed since the sensor cable is not plugged in. (The new SSD drive doesn't support it) To solve ...
9
votes
5answers
25k views

Is it possible to use an iMac in Target Display mode with a 2016 MacBook Pro with USB-C?

Before they went Retina, iMacs could be used as displays in Target Display Mode. Is this possible with the new Touch Bar / USB-C MacBook Pros (late 2016) via the USB-C ports? They don't have a Mini ...
9
votes
3answers
22k views

Install OS X in VirtualBox on iMac?

Is it possible to install OS X 10.6 Snow Leopard in VirtualBox on an iMac (i3) running OS X 10.6.8? I have the 10.6 install CD, DMG, and ISO, but can't get any of them to boot from VirtualBox.
9
votes
4answers
5k views

Why have 5 different iMacs developed corrupt OS X partitions when the physical drives are fine?

I'm a tech for my local school district and we are having some problems with our iMac Multimedia Lab. Over the past nine months, 5 of the 22 iMacs have suffered from filesystem corruption. The only ...
9
votes
5answers
990 views

External hard drive seems to block applications randomly

Since updating to OSX Lion on my late 2009 iMac, I have noticed some strange behaviour while using my computer. Every hour or so (I'm not actually sure about this pattern), the application that I am ...
9
votes
4answers
5k views

My colleague's iMac connects to my MacBook Pro via Bluetooth without my consent & messes things up!

So, I'd be using my Magic TrackPad or listening to music via Bluetooth headphones and suddenly the mouse cursor would start jumping around or the Bluetooth audio would start breaking up, and that's ...
9
votes
3answers
6k views

Is there an app/extension similar to The Great Suspender but for Safari?

Safari is sucking wind lately, for me. I have a new 1TB hard drive in my system, put in Jan 2016. For Chrome I use Great Suspender extension - it halts tabs/sites after not being used for a while. ...
9
votes
3answers
1k views

Control iMac and LED Cinema Display Brightness Simultaneously

I have a iMac 27'' and a LED Cinema Display 27'' connected to it. And I've noticed that to be able to control brightness I need to open the Display.prefPanel and modify the brightness of the displays ...
9
votes
3answers
1k views

Brand new iMac, cannot login to anything

I received my brand new iMac today. During installation/startup, I was surprised to find that I could not log in to iCloud. I skipped, figuring it was a minor glitch and I would do it after setting up ...
9
votes
6answers
970 views

iMac external display (EA232WMi) won't sleep

I'm using an iMac 11,3 (27 inch, mid 2010) with an external display (an NEC EA232WMi). Over the past week or so (beginning just prior to 10.9.2), when the iMac's display sleeps, the external display ...