Questions tagged [imac]

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

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29
votes
3answers
298k 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 ...
2
votes
1answer
2k views

27 imac Late 2012 HDD Failure

The HDD on my 27 imac Late 2012 has died. Is it replaceable? At present, I switch on (soundless) and get the white screen which loads up one third and then freezes. I tried Disk utilities which told ...
39
votes
8answers
126k 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 ...
6
votes
2answers
33k 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 ...
5
votes
4answers
3k 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 ...
9
votes
2answers
49k views

Really confused about how to reset SMC and PRAM and NVRAM on my Macs and iPad and iPhone?

Sometimes I find from searching Google that I can reset the SMC, PRAM and NVRAM. But different sources provide different instructions on how to do this. I have a MacBook Pro and iMac. I also have an ...
16
votes
6answers
80k 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 ...
10
votes
5answers
14k 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 ...
9
votes
4answers
14k 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 ...
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 ...
19
votes
6answers
31k 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 ...
4
votes
3answers
2k views

Kernel: “Previous shutdown cause: -62”

I have a late 2013 27" iMac running Yosemite, and it randomly shuts off every now and then. I tried everything Reset SMC. Diagnostics, reformat Macintosh HD but still occurs and running out of ...
17
votes
3answers
244k 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
7answers
40k 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 ...
2
votes
1answer
3k views

iMac is stuck in a login loop

My iMac is stuck in a login bootloop. After entering the password, I see a white screen for a second and then I am thrown back to the login screen again. I tried the same in safe mode, and it behaves ...
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 ...
36
votes
9answers
23k 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 ...
16
votes
2answers
31k 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 ...
10
votes
5answers
27k 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 ...
6
votes
2answers
17k 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 ...
5
votes
1answer
2k views

DIY Fusion drive with 3 drives

Is it possible to build a DIY Fusion drive using 3 drives - 2 HD's and 1 SSD? Will the Fusion machinery optimise on three levels i.e. SSD, then fast HD, then slow HD? I have a mid 2011 27" iMac, ...
2
votes
1answer
9k views

How to use an old iMac as an external display for a MacBook via wifi?

There have been several questions how to connect a (new) MacBook to an (old) iMac so the latter will work as a second, bigger display for the former, but all were assuming a hardware connection, i.e. ...
2
votes
2answers
2k views

iMac crashes after upgrade to OS X Mavericks

We have an iMac and after upgrading to OS X Mavericks. We have been been experiencing random shutdowns - below is the error report. I would be really grateful if someone could point me in the right ...
13
votes
7answers
40k 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 ...
9
votes
4answers
52k views

Is it ok to mix 2 GB and 4 GB DIMMS in an iMac (mid 2011)?

I've been told it is important to use matching DIMMs when installing memory to take advantage of the 128 bit throughput. I'm looking to buy a new 27" iMac (mid 2011) which has 4 memory slots. If I put ...
8
votes
9answers
12k views

Why does my Magic Trackpad 2 randomly disconnect and stop clicking?

Hey there fellow users, I purchased an iMac (Retina 5K, 27-Inch, 2017, macOS 10.13.4, 4.2 GHz, 32GB, 3TB Fusion Drive) less than three weeks ago, and had it delivered by Apple here in distant, little ...
7
votes
4answers
100k views

How to make my iMac recognize my USB external hard drive?

I just bought a new Seagate hard drive for Time Machine backups. I plugged it into my iMac and the hard drive never showed up in Finder. The drive does not appear in Disk Utility and the command ...
5
votes
3answers
12k 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 ...
4
votes
3answers
13k views

What causes 5 pink bars on 27" iMac (2011)?

I've got a 27 inch iMac made in 2011 that displays 5 pink vertical bars on the screen. It won't boot properly. I ran the Apple Hardware Test and it came up clean. Machine Specs: Apple Subfamily: ...
0
votes
3answers
6k views

iMac not logging probably due to keychains problem

iMac OS X Lion. I have 2 accounts with password. On the first account, I was messing up the keychains thing. If I recall correctly, I think I deleted all private keys I had and added exported keys ...
15
votes
2answers
42k 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 ...
4
votes
2answers
2k 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 ...
3
votes
1answer
2k views

Can I connect my MacBook Pro DisplayPort to a Thunderbolt iMac to use as a display?

I have a MacBook Pro with Mini DisplayPort and I want to use target display mode to use a Thunderbolt iMac as an external display. If this works, would I need a Mini DisplayPort cable or a Thunderbolt ...
3
votes
2answers
1k views

Enable HiDPI on 23" iMac?

I have a 23" iMac running Lion (10.7.3). I've checked that the "Enable HiDPI display modes" checkbox is enabled in "Quartz Debug" (it was checked the first time I opened it), but there are no HiDPI ...
3
votes
2answers
1k views

Is using mid 2012 MacBook Pro RAM in mid 2011 iMac 27" an option?

I recently came into possession of a 27 inch mid 2011 iMac. It only has 4GB RAM and I have been pricing compatible memory modules online. I then remembered I also have a 13 inch mid 2012 MacBook Pro ...
3
votes
1answer
7k views

iMac login screen only half displayed

When I booted up my iMac yesterday, I was confused to find my login field had seemingly moved upwards, so that only the bottom half was showing. The lower half of the screen was just black. Is this a ...
2
votes
2answers
23k views

Which graphics cards are supported by a Late-2009 iMac 27inch?

I have the ATI Radeon HD 4850 graphics processor with 512MB of GDDR3 memory installed on an i5 iMac 27inch setup. Given that my current card is malfunctioning and that versions of that card are ...
2
votes
2answers
2k views

WDF VIOLATION Blue Screen after Upgrading Mac to Windows 10 May 2019 Update (1903) Edition

I did an upgrade on my iMac (21.5-inch, Mid 2011) from a previous version of Windows 10 to the current version. The Windows 10 ISO file was downloaded from the official Microsoft website. Afterwards, ...
2
votes
3answers
3k views

iMac going in and out of sleep every few seconds

If I put my iMac (2011, i7) to sleep, it'll wake up after 5 seconds, then go back to sleep after a few seconds, and repeat constantly. The only way to stop it is to restart. This seems to be happening ...
2
votes
2answers
3k views

iMac gets stuck halfway through boot

A couple of days ago my iMac (Late 2009) stopped turning on. It starts booting and the progress bar under the Apple logo goes to just under halfway before it turns off. Booting into recovery mode and ...
1
vote
2answers
5k views

How do I replace the hard drive in my circa 2008 iMac?

My circa 2008 iMac hung up today and wouldn't reboot -- it just hung on boot with the Apple logo and the spinner. I booted the Snow Leopard DVD and ran Disk Utility on the drive. It told me the drive ...
1
vote
2answers
523 views

Can an 2009 iMac have an odd total amount of RAM?

I have an iMac 20-inch early 2009 model. There is 2 GB of RAM (2 x 1 GB sticks). Can I upgrade the amount of memory to 3 GB, replacing just one of the two RAM sticks?
0
votes
3answers
4k views

How to downgrade from El Capitan to Snow Leopard?

I am not happy with El Capitan, and it is also not compatible with both music hardware and software that I have, so I want to go back to Snow Leopard on my late 2009 iMac. After installing El Capitan ...
0
votes
2answers
2k views

Two older Macs (G3 / Intel) need their drives erased. No install discs

I have two older Macs in which I want to erase the hard drive. Secure-erase is a plus, but not a show-stopper at this point. I don't have any Mac OS X discs so I can't use disc utility. What I'd ...
0
votes
1answer
970 views

How much RAM can a 2007 iMac hold?

The box says I can add up to 3 GB (for a total of 4GB), but is this restriction hardware based, or because of the operating system? If I upgrade to OS X 10.6 or higher, can I increase the RAM to 8 GB ...
0
votes
1answer
704 views

Access and control home office network, iMacs, and XServes

I have a home office network comprised of: 1 Time Capsule 2 27" iMacs with dual cores running Mac OS X 10.6.8 2 XServes each with 2 quad cores running Max OS X Server 10.6.8 I use the XServes ...
0
votes
1answer
3k views

Use early 2009 20" iMac as external display for 2015 rMBP

I wanted to use a mini display-port cable then use "target display mode" to make the iMac an external display, but I just read that early 2009 iMac's don't have target display mode as a feature. ...
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.
12
votes
6answers
17k 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. ...
8
votes
3answers
789 views

Screen flash disabled but happens anyway

My Mac has started flashing the screen instead of beeping. It's exactly the same effect as you'd get if the Accessibility pref pane's "flash the screen" option was enabled, except that it's not ...