Desktop iMac won't start

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• Pictures on a new iMac won't start - he's trying to fix the photo library after the migration of my old iMac.  The two are running El Capitan

  Photos on my new iMac won't start - get an error message after trying to fix the photo library.  I just migrated all of my old iMac a new aid of Time machine backup.  Both are running OS 10.11 (El Capitan).

  Get an error message after trying to fix the photo library.

  What does this error message say?  Photos crash or exit gracefully?

  Where your iPhoto library that Library stored? In your pictures folder, or on an external drive?

  Try to copy the library of Photos directly without Time Machine. Connect the two Macs using your network and copy the old Mac to the new library, well as signed in on your new Mac.

  Then try to open this copy in Photos.

• Old iMac won't start.

  Hi all

  My old iMac (core duo Intel) refuses to start, even after her trying everything I could find on this forum.

  Safe mode barely fills one third of the status bar before leaving. Apple Hardware Test says the disc works perfectly, as do the Single User Mode and my old eMac using a method of fire wire cable and hard target disk. I have reset NVRAM and controller management system without result; and verbose mode isn't anything say. I do know that if it means something but after all these procedures a blue cursor arrow appears in the upper left corner of the screen. I tried to use the disk utility on the OS x install disc, but the computer crashes with a message box indicating that I have to restart my computer – so it seems there is no way for to reinstall me OSX either!

  Can someone please suggest a solution until I have to take it to a service center for what will be probably an expensive repair? If I think I know what you responses will be!

  Thank you very much.

  When you run the Apple Hardware Test, do you have it run Mode Extended 2 - 3 times back to back. Except if you did the test you ran was worthless. AHT is unreliable, the reason to run in Extended Mode is to allow him to test all components, even then he captures errors sometimes until the third attempt. However, when errors are found, they are accurate.

  Given the age of the computer, you must decide if you want to invest in it. If it is longer than about 6 years, Apple won't touch which means to take at an Apple authorized Service provider who can charge for diagnosis. Your call is really what you want to do.

• Target mode iMac won't start plu

  My iMac 27-inch became unbootable, due to the well known failure of AMD Radeon HD 6970 M video card.

  My computer is 4 years and 4 months and Apple refuses to replace the card through the replacement program.

  I'm not ready to pay the amount to fix the card.

  How can I recover data from the hard drive works perfectly?

  I does not start correctly, it makes a loop and loop, I use mode target with another Mac, or do I have the GUI to work?

  Are there other solutions or do I physically remove the hard drive?

  Thanks in advance!

  OS X El Capitan: transfer files between two computers using target disk mode

  This procedure works for any OS X.

  If this does not work, just to retrieve your data from your backup.  No reverse?

  If this is the case, you've learned a very expensive lesson not to trust to your

  digital resources on a single device, no matter, Android, Mac, PC, iPhone etc,.,.

  the fact is electronic devices may fail.  No no no backups is an accident waiting to

  occur.

• 2015 iMac won't start - help me make sense of this code?

  Last night, my iMac went to the screen "your computer is restarted due to a problem".  Then the Apple logo appeared and he began to start, but then I got the tour of the code to the bottom of my screen.  There's only a few seconds, it was therefore difficult to analyse.  And it tends to be a little different each time.  But it's the chain I've been able to freeze:

  panic (cpu 8 0xffffff800099ed64 appellant): launchd was released (6, exit status 0 signal)

  Called debugger:

  News of the UUID:

  0x7fff6880e000uuid =<03673b53-b8b7-34d1-adce-f449e78e39cc>

  0x1023b2000uuid =<13d08717-b23a-38be-85a6-085b051f8322>

  Thread 7 crashed

  RAX: 0 X 0000000000000000, RBX: 0000000000000006 RCX 0 X: 0 X 0000700000322378, RDX: 0 X 0000000000000000

  RER: 0 X 0000700000322378, RBP: 0X00007000003223A0, IHR: 0 X 0000000000000006, RDI: 0X0000000000001D03

  R8: 0 X 0000000000000000, R9: 0 X 0000000000989680, R10: 0X000000000C000000 R11: 0 X 0000000000000206

  A12: 0 X 0000000000000001, R13: 0 X 0000000102637000, R14: 0 X 0000700000323000, A15: 0 X 0000000102402000

  RFL: 0 X 0000000000000206, RIP: 0X00007FFF9BF250AE, CS: 0 X 0000000000000007, SS: 0 X 0000000000000023

  After it there several sections have 1 wire:, thread 2:, etc., but things became blurred and I can only give partial details he...

  Please let me know if you can give me advice here before I have to take it to the store.

  Again, this is an iMac 2015 5 k retina runs El Capitan.  I just took it out of the box three days ago.  If you need more information than that, let me know.

  And I thank you in advance.

  The guarantee gives the right to the free phone support for the first 90 days of ownership.

  If you bought the product in the United States directly from Apple (not a retailer), you have 14 days from the date of delivery where to Exchange or return it for a refund. In other countries, the return policy may be different. If you purchased from a reseller, its return policy applies.

• S5610y: S5610y computer desktop Slimline won't start

  I turned off the computer, and I tried to turn it back on after a few hours. It will not start. I pressed and pressed the power button for a few long seconds and tried again. No luck. The output is very good, and therefore the power cable. I noticed that there is a green light on the back of the power supply, and when I press the power button to turn on the computer, the green light turns off. It turns out if I remove the cable at the back of the power supply and reconnected, but disappears again when I press the power button to start the computer.

  This can be a symptom of a bad diet? Thanks in advance for the answers.

  Hi there @Uncle_Zia

  Welcome to the Forums of HP Support! I understand you have problems, turn on/off your computer. I'm happy to help you.

  In response to your question, it certainly could be a power supply problem, or possibly a component internal. I would recommend that you look at the following page: desktop HP - troubleshooting the power supply problems

  Let me know if you have problems with this. If it does not solve the problem or points to the cause, please mark this message as a solution.

  If you have any other questions, please let me know.

• 2011 21 inch iMac won't start after the SSD upgrade

  Recently, I upgraded my hard drive for an SSD via a computer repair business in my neighborhood, I also upgraded the ram, but I don't think it's in the case. On a two weeks after the upgrade, my computer don't turn on more. I took it to the genius bar and they told me that the DSS had "failed." So of course, I took my computer to the computer repair company and they ran some tests, discovered that the hard disk does not (according to them, he only read this way because the apple store has run the test for a normal hard drive and not an SSD). I'm not super computer savvy, so I took their word for it.

  Now, however, it has been nearly a month and my computer refuses to activate once again. Previously, it has worked well, the fans were running at full blast - what I knew would be a problem (although the repairman told me that they 'fixed' this issue too). So the first time, I downloaded a program called SSD fan control and set the fans to run in silent mode. This second time around, I realized that it was probably a bad idea because it could lead to overheating, so I put manually the fan speed so that we could hear still run, but just not as loud.

  I tried the reset SMC, but no result. Right now, I unplugged everything including disconnect it from the power strip.

  Any other experience of power with a new SSD failure? Is there anything else I could try at home before contacting the computer again repair business? I would not be able to reach at least until tomorrow, and I'm really curious to know how they managed to get my computer back on the first time.

  Also, I've been out of my warranty period for about a year, so that's why I thought that I was not risking too much by exchanging the original for one SSD drive.

  First of all, the original in Middle 2011 iMac hard drive had a temperature sensor integrated in the drive.  More new or replacement of those who do not.

  Other World Computing sells an Apple certified temperature sensor that plugs into the SATA cable.

  https://eShop.MacSales.com/item/OWC/DIDIMACHDD11/

  I just put a 2 GB Western Digital Black in mine, with the sensor.

  I suggest all first, reinstall the OEM disc and see if it boots.

  Put the SSD in an external enclosure and see if it runs...

• my old imac won't start in recovery mode

  I'm going to erase my hard drive to recycle my old imac. I now restart the command and R keys but it goes to my screen, no recovery of connection?

  What model/year is your iMac? You may need your original installation disks to erase and reinstall.

• Desktop HP won't start

  So a few weeks ago I got a metered on my PC but I refreshed my computer and I was able to get on the internet

  so a few days after he told me I had to configure the updates and I didn't know what it meant so

  He just told me is not to turn it off, but I turned it anyway. So I've updated everything, then it worked really great so a few weeks after

  It is not starting and says preparation auto repair then there is black screen, then I restarted and when it started upward I hit the ESC key and he took me to the boot menu and I didn't know what to do at this time, I tried to safe mode by pressing the f8 key and pressing shift + f8 key but it doesn't do anything when I'm went on the menu, there are a lot of options like diagnosis and end menu and Computer Configuration and recovery system and network end and utility and run uefi. I did the configuration of the computer and I don't know what to do from here if there is anything you could do I would really appreciate it thank you

• Another that holding down the power button, then by restarting, how should I manage my end 2009 27 "iMac when he crashes on the first blank white screen and won't start?

  Another holding down the power button, then by restarting, how should I handle turn on my end 2009 27 "iMac when he crashes on the first blank white screen and won't start?

  Combinations of keys start for Mac - Apple Support

• Desktop Compaq Presario has beep and won't start

  My Compaq Presario desktop PC makes a sound beep and won't start. The SN # is CNX65112RS. Someone help me please!

  That's great. Please mark the thread as solved.

• Desktop won't start no-of faulty power or motherboard?

  Compaq Presario SR5000/Windows 7 Ultimate 32 bit

  I had this problem for a few months - the Office doesn't turn back on when I unplug and plug it back and the green light of the power cord blinks. Based on the troubleshooting guide from HP for this flashing light, I was able to isolate the problem to the connector 24 pin main that feeds the motherboard. Whenever I got in this regard, the light was stable. Thus, the last two times I've been able to bring the office back to life by unplugging / plugging the 24 pin connector.

  This time, of the power supply does blink everything as long as the motherboard is powered but puts constant green when I get this connector.

  I tried the hairdryer mentioned here http://h30434.www3.hp.com/t5/Desktop-Hardware/Desktop-won-t-start-blinking-green-light/td-p/4467 but stuff that no longer works.

  As the POWER light turns off when I have the motherboard power and turns on when I win, I don't know which replace - block power SUPPLY or the motherboard but obviously one of them is the question.

  Power supply model #: Bestec ATX 250 12Z

  Thank you!

  Power supply failures are much more common than the failings of the motherboard... and less expensive to replace. I have a machine now sometimes, which flashes and takes a few coachig at startup if unplugged for awhile and anticipates a new power supply in the near future.

  If you check the specifications and dimensions, you can buy a replacement WHAT PSU to many points of sale, or online at places like Newegg.com or Tigerdirect.com pretty cheap.

  You could also first remove the power supply and take it to a place that makes the PC repairs and ask them to test it. I bought a tester of POWER a few years ago that saved many hours of troubleshooting.

• iMac won't turn. Startup disk is full. TDM won't let me edit.

  iMac won't turn. Startup disk is full. TDM won't let me edit.

  My iMac turns off 10 seconds after the start to the top. I tried repair disk running, to no avail. What is happening is because my boot drive is full, off the 500 GB I partitioned in mac, 493,63 GB is taken up. I bought a thunderbolt cable to access the TOC on my mac book, and I have access to my files now. The problem is that I can only copy files. Authorities say I read and write permissions. When I start my host computer, it says "you can still open or copy the files on the disk, but you cannot save changes to the files on the disc. Back up the disk and reformat it as soon as you can. "I'm trying to copy all my files on this computer and remove what I don't want copies, then reinstall OSX on my iMac. The problem is that some files are native to all OSX, so it would prevent me from copying the files. For example, if I want to copy my applications folder, it stops to copy once it reached the app store, because it cannot copy that. It is a problem because when it comes to the library, there are small files in there that I don't know if I can copy, then it stops at the copy and I end up with half of my files and I don't know what I need and what I have.

  Everything you need to copy the disk, then start the iMac in recovery (command-R) mode. Wipe the drive and reinstall OS X from the recovery console.

• Target Disk Mode - MacBook is not mounted in the desktop iMac

  I have a MacBook to 2015 and a cable USB-A-USB-C marked 'SS '.  In November 2015, I might start my MacBook in TDM and plug it into my iMac 2013 and see him mount on the desktop.  I could then synchronize some of the files (using synchronize folders) and have up-to-date on my MacBook.  Both computers running El Capitan.

  But about 3 months ago this system has stopped working.  Editing of my MacBook on the desktop iMac became sporadic and now never happens.  I have tried different cables, connected to different USB ports (the back of the iMac, iMac keyboard and a Flash to USB dock (Belkin)), but no joy.

  Has updated the firmware of computers?  El Capitan has stopped this feature very useful to work?

  Any ideas, anyone?

  Chris

  As a work-around, there are other ways of synchronization of files between devices.

  iCloud Drive, Box, OneDrive, DropBox, Google Drive. These will make everything you do.

• iMac does not start!

  I have an iMac 2006 model number of 20 inch A1174 (EMS 2105). for some reason, it won't start. He had the apple with the loading circle logo and it would remain only to it. every day ive been looking for ways to find a solution. crazy part is that I don't have an apple based keyboard nor mouse. Im running on a keyboard and a mouse in windows. It's like some buttons work, some don't. Ive tried to do the shift etc. to start recovery, but for some reason these keys do not work to use the r command. so I came to the conclusion, something was wrong with the hard drive. I erased it and reformatted it. I popped it back in and I used the ALT key during the startup and original OS X CD to install back to the cabinet and a second, everything seemed to work, installation and all. then I got a code error "Can't find the driver for this ACPI platform please restart your computer, etc." now I'm back to square one and don't know what to do and I really need this problem.

  If your original DVD still works:

  Erase disc before Snow Leopard OS X

  1. Boot from your OS X installation disc. After the installer loads, choose your language and click on the continue button.  When the menu bar appears select utility drive in the Utilities menu.
  2. After loading disk utility, select the volume that you want to format in the list to one side. Click Delete in the main window of disk utility.
  3. Set the type of Mac OS extended (journaled) format. Click the clear button and wait until the process is complete.
  4. After completed exit the utility disk and return to the installer.
  5. Follow the instructions on the screen to install OS X.