IMac (Intel) :: How To Always Start Up In TGM Mode For Mac Pro

Jun 24, 2014

Can I make my iMac always start up in TGM mode for my Mac Pro? Such as keeping it in TGM mode all the time

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IMac (Intel) :: DVD Player Launches In Mavericks Using Recovery Mode Start Up But Not HD

Aug 26, 2014

Running mid-2009 iMac with latest Mavericks 10.9.4. 

DVD Player has been performing perfectly in Snow Leopard until this update to Mavericks. 

I've tried resetting SMC/NVRAM. Reinstalled Mavericks 3 times. Tried dumping the plist too. That did nothing. I've re-set SMC/NVRAM...done the Permissions using Disc Utility. 

I can get a DVD to load selecting the Recovery Mode StartUp disk. Then I reboot and the DVD plays fine using the DVD controls. But ejecting and trying it again - it won't play.  

Info:
iMac, Mac OS X (10.6.8)

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IMac (Intel) :: Booting In Safe Mode Only - How To Boot Up In Normal Mode

Sep 3, 2014

My iMac24" can't booting in normal mode, but booing in safe mode only.

how to boot up in normal mode. If I restart the system, it is showing the apple logo and not going to Finder.

Info:
iMac, maverics

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Intel Mac :: It Cannot Start In Safe Mode

Apr 3, 2012

Did a Shift - Command-V and the black screen showing all the startup steps appeared and it all looked good except: AFL Alart Sockwed cant update and INIT Reboot transmit failed. All else looks good. I have tried this 3 times and never go past that point. Then the screen turns off white like it does when it starts normally before the apple appears and the last time the screen went black.  

I have tried starting with just the Shift Key and computer starts up but not in safe mode. I have tired starting with the OS X disk and the C key and it will not recognize the disk.I used the #1 disk since the instructions are printed on the disk. Did not work so I tried disk 2 and I get a menu to start the OS or tools. If I click on either one the screen goes white and stays that way.

computer starts fine and provides a login window, and then the desktop screen with screen saver pictures in perfect color. As it goes through starting programs it starts the same programs that is had open when the computer originally crashed. Even when I close them, before it locks up again, and I am forced to restart the same programs open up to the same place. Its like the computer is frozen in one location and will not go beyond that point. Eventually the screen turns white and sometimes black and sometimes gray.

Tech support thought it was the video card, put a new one in but did not fix the problem and then said it was not that but that it was the monitor. I said that did not make sense since the monitor and desktop icons and pictures are beautiful and clear. They then said it was the inverter board on the monitor and Apple only replace the whole thing. I purchased an inverter board and replace it. No change. The tech person said that the computer works find without the monitor connected - I will see if that is correct next. Isn't that a more systimatic testing procedure then trying parts to see if it works? Oh I did do the complete long hardware test. Took about an hour and it passed! Isn't this strange?

Info:iMac, Mac OS X (10.5.8)

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Intel Mac :: How To Start In Safe Mode

Apr 20, 2012

my Imac takes 5 minutes to start , most of the time it is a blue screen....

Info:
iMac, Mac OS X (10.6.4)

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Software :: Intel I Mac Won't Start / Wont Go In Safe Mode?

Jan 18, 2009

I turn the machine on and the apple icon comes up and the thinking gear comes up but It won't go anywhere else I can't even get into safe mode.

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OS X V10.7 Lion :: Start IMac In A Basic Mode With No Extensions Or Startup Programs?

May 16, 2012

How do I start iMac in a basic mode with no extensions or startup programs. I had it freeze when " Little Stitch" started to run and asked to open a Port. Then freeze.

Info:
iMac, Mac OS X (10.7.4), 2009 iMac

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Intel Mac :: Gray Screen On Start Up - Backup Files Using Safe Mode?

Mar 8, 2012

I'm getting the gray screen when I startup. I tried using the install disc to repair the utility, but it said it cannot be repaired. I had to use a plug-in mouse instead of my normal wireless mouse to get the startup disc out on a restart. I want to now startup in safe mode, but holding down shift during startup with my wireless keyboard doesn't work. Do I need to have a plug-in type keyboard for this function to work? Can you backup files using safemode?

Info:
iMac, Mac OS X (10.6.3)

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IMac :: Intel IMAC Wont Start - Monitor Blank?

Jun 11, 2009

I have an Intel IMAC, which is now out of warranty as I have had it for 16 months (and I was dumb enough not to get AppleCare). A few days back, my computer would not startup and everytime I hit the power button, I would hear some spinning noise but no chime from the iMAC. Yesterday, I tried it again and this time I heard the chime but the monitor did not start. I was then able to SSH into the MAC and see that it is indeed connected to the network and booted up, but the screen is still dead. Any ideas what I should do before the painful trip to the apple store ?

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IMac (Intel) :: G5 / Intel OS 10.6 System Does Not Start Up After Connecting New Router

Jun 28, 2014

After connecting the imac to a new router the system hung completely up. After each input, e.g. opening preview or a browser, the coloured turning disc appeared and nothing happened anymore. Several restarts, also in safe mode,  were unsuccessful. I could not switch to another user.  Restart is only possible at all from installation disc but thereafter problem remains the same.

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IMac :: IMac 20" Won't Start (intel-2007)?

Jan 4, 2010

Yes I plugged in the block heater.....
Tried to reset the SMC (apple's only advice)
Tried to kick it into boot menu... no luck

managed to boot to Leopard install disk. backed into Disk Utility.... Verify System Disk produces: "Invalid B-tree node size...Disk Verify / Repair fail".

too bad too sad... no more information.

I don't know enough to know whether this is a SW failure or a drive failure, and my searches has led me here.

Also, my very first post in a forum, I read the rules and I hope I have found the right forum for this query.

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Intel Mac :: Why Should My IMac Switch Itself Off When In Sleep Mode

Jun 2, 2012

My iMac is some 2 years old and have never had this problem before but twice in the last week it has failed to awake from sleep mode and I have had to hold the start  button to 'wake' it up. It then goes through the usual procedure that transpires afte 'logging off'

Info:
AppleTV 2, Mac OS X (10.7.3), I have an o2 router

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IMac (Intel) :: How To Back Up In Safe Mode

Jun 5, 2014

My 27" iMac will only start in safe mode. I need to back it up before service, but it will not read (or see) any external drives that I plug in.  How do I back it up in safe mode? 

Info:
iMac, Mac OS X (10.7.5)

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IMac (Intel) :: Cannot Stay In Sleep Mode?

Jun 25, 2014

How  can I get my iMac to stay asleep?

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IMac (Intel) :: Stuck In Recovery Mode

Sep 5, 2014

So I recently erased my 2007 iMac through recovery mode. That process went fine. But when I went to go install the latest version of the mac OS (still through recovery mode) it comes back with a window reading basically that process I just did failed. I did this process many times, it doesn't work, and now at the moment I have iMac sitting in recovery mode and I can't do anything on it. Should I bring it into a store?

Info:
iMac, Stuck in recovery mode with no os

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IMac (Intel) :: Will Not Come Out Of Sleep Mode On OS X Mavericks (10.9.4)

Aug 31, 2014

My iMac will not come out of sleep mode and if it does it takes a really long time to do so. I've looked at several things in other forums and it seems to be a Maverick issue. However it only started about a month ago and most people have had this issue since the release of Maverick. I also read to use the bluetooth keyboard and mouse instead of a USB one. That also did not fix the problem. So I am at a standstill ...

Info:
iMac, OS X Mavericks (10.9.4)

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Hardware :: IMac 24 Intel Will Not Wake Up From Sleep Mode?

Jan 30, 2008

My iMac is about 4 months old and about twice a month after sleeping overnight the computer will not wake up. After several attempts pressing keys on the keyboard and clicking on the mouse, I have to unplug the Mac and then press the start button on the back

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IMac (Intel) :: Target Display Mode Won't Work

Jun 5, 2014

Target Display Mode display mode won't work with my imac 21.5" mid 2011. I tried both commands cmd+f2 and cmd+fn+f2 but nothing! I'm using thunderbolt cable to connect my macbook air. Why I'm can't use my imac as external monitor?

Info:
OS X Mavericks (10.9)

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IMac (Intel) :: How To Use Target Disk Mode To Boot

Sep 10, 2014

My iMac won't boot up. I think its HDD is dead . Is there a way for me to use target disk mode to boot from my laptop HDD so that I can rescue my iMac HDD?

Info:
iMac, Mac OS X (10.6)

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IMac (Intel) :: How To Backup Files In Recovery Mode

Aug 20, 2014

i went into recovery mode and tried to repair my hard drive and it says it can't be repaired and I have to restore my computer. is there anyway i can backup my files from recovery mode onto a new disk?

Info:
iMac

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IMac (Intel) :: Can External Display Be Rotated Into Portrait Mode

Nov 30, 2014

I was told that the new 5k imac can support one external 4k display via thunderbolt, but the 5k imac cannot itself be rotated into portrait mode (on a vesa mount for example). If I connect an external 4k display via thunderbolt to the new 5k imac, can the external display be rotated into portrait mode so I can have 3840 pixels vertically on the 4k display?

Info:
iMac with Retina 5K display, OS X Yosemite (10.10)

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IMac (Intel) :: Why Does Hard Drive Keep Spinning Up When In Sleep Mode

Jun 19, 2014

When my iMac 27" is in sleep mode I have noticed that the hard drive spins up very regularly every 4 or 5 minutes. Also when placed in sleep, the monitor takes about 30 seconds to go black. It also wakes on its own for no apparent reason. No new software has been added, only normal updates, running Lion. Time machine backup is done every couple weeks.

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IMac (Intel) :: Printer Won't Stop Printing In Duplex Mode

Jun 5, 2014

My printer won't stop printing in duplex mode.  I have disabled all duplex settings and it's still printing double sided.

Info:
iMac, OS X Mavericks (10.9.1)

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IMac (Intel) :: Going Into Target Disk Mode Instead Of Startup Manager

Aug 21, 2014

I'm trying to sort out a problem with a mid-2007 iMac. When trying to start it up normally it would get past the Apple screen, then go onto a blue screen with a cursor and stay there. 

I made a bootable Snow Leopard USB drive to try and repair the disk / re-install the OS. Plugged in the USB drive, and tried to boot the iMac into startup manager by holding down the option key. But instead of showing the volumes to launch startup manager, it keeps bringing up a grey screen with the Firewire logo on, which I believe is what happens when launching into Target Disk Mode.

Info:
iMac

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IMac (Intel) :: Sync Two Folders - Target Disc Mode USB?

Aug 23, 2014

Can you do a target disc mode through a usb male to male cable? I want to Sync exactly my work files from my iMac to the MBP for when I go away. The best way I've found to do that is to use a free app called SyncTwoFolders.  

It means you can copy your work between two computers go away with one and work for a few months come back and sync it with the other and vice versa. To do this you need to connect two computers. My iMac has Firewire and USB. The MBP has USB and Thunderbolt. USB to USB doesn't seem to work. 

What cable should I buy to do this? Firewire to Thunderbolt? Firewire to USB? USB to Thunderbolt?

Info:
MacBook Pro (Retina, 15-inch, Late 2013), OS X Mavericks (10.9.4)

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IMac (Intel) :: When In Sleep Mode - Programs Are Forced To Close

Aug 29, 2014

2010 iMac running 10.9.4.  Lately certain programs are forced to close on a regular basis.  This includes Safari, Mail, Crashplan.  It usually happens when the computer is sleeping.  When I wake up the computer first thing in the morning, I usually have 3 - 4 messages saying that certain programs were forced to restart.  This can also sometimes occur when the computer is not sleeping, but when I am using it.  Typically it's Safari that is forced to restart.  

Recently upgraded RAM and added Crashplan software for data backup.   

Info:
iMac, Mac OS X (10.4.9)

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IMac (Intel) :: Hard Disk Is Full And Can't Get To Safe Mode

Aug 26, 2014

I turned on my iMac (20in 2008 model) and after the apple logo appears, I get a gray screen that says "process 1 exec of sbin/launched failed". I'm pretty sure it's because my hard disk is full. I tried booting up in safe mode, but my wireless keyboard battery died. I put in new batteries, but I need to get to the desktop to reconnect the keyboard. I tried using a usb wired keyboard, but it doesn't power up until I'm on the desktop screen. I don't know what else to do. I need a keyboard to boot to safe mode, but I need to be fully booted to work the keyboard.

Info:
iMac, Mac OS X (10.5.8)

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PowerPC :: G4 Will Not Boot After Using Target Disk Mode Connected Intel IMac?

Feb 3, 2006

We have some new Intel iMacs and have transferred some information from our previous G4 PM (one MDD and one Quicksilver) to the new iMacs. For some reason the G4's will now not boot up and kernal panic on the gray Apple boot screen. This has happened to all the G4's we have in our office. They are running OSX 10.2.8 and the iMacs are running OSX 10.4.4. We can still mount the drives from the G4's using FireWire Target Disk mode.

I have tried zapping the PRAM etc but they still wont boot. I have also tried running the OSX 10.2 Installer disks to try and reinstall OSX on the G4's but the installer cannot see the drives?

I tried running the disk utility. It finds the hard drive but wont let me verify/repair permissions (the option is grayed out). It will only let me verify/repair the disk, but it finds no errors. The installer cannot find the disk at all.

We have more than one hard drive in the G4's and the target disk mode will only mount the system drive, it doesnt see the others, so we cannot retrieve out information. Whats going on. Never had this problem before.

Anyone have any idea what is wrong. Never had this problem before using the FireWire transfer.

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IMac (Intel) :: Why Does Computer Turn Black When Wake It Up From Sleep Mode

Jun 19, 2014

When I need to go somewhere or just eat lunch, I put my iMac to sleep. After that, when I come back to wake it back up, it stays black.

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IMac (Intel) :: Crashes Get Kernel Panics When Keep In Sleep Mode For Hours

Jun 24, 2014

Recently, tried leaving my iMac in sleep mode for hours but it keeps crashing with those Crash Reports popping up when I click to wake it.  They mention Kernel Panics.(Also, been getting Kernel Panics randomly popping up when I start up at the desktop.  This is a 2010 iMac which I purchased refurbished not quite a year ago Already emailed seller with issues, think I might just return it as seems like hard drive is going.  , as to troubleshooting before I go this route?

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