iMac does not stop

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• Two iMacs does not start after the 10.11.4 update.

  Two iMacs does not start after the 10.11.4 update.  Progress bar starts moving and then text appears on the black screen saying unexpected sigkill to launchd.  He then gets stuck in a loop trying to start.  Tried to reset the SMC and LANDAU.  Without success.  Started in recovery mode and ran disk utility.  Discs said OK.  Chose to reinstall OS X from the list of options in the recovery mode (assuming it would be 10.11.4).)  Installation is finished but still once does not start.  Reinstalled on 10.11.0 successfully from a USB key and downloaded the 10.11.4 combo updater.  Installation seems to work, but once again, the macs will not start.  Same 'unexpected launchd sigkill' error.  A mac is now back working properly with 10.11.3 the other will be shortly.  Is there a problem with the accession?  Our COMPUTER support use Munki to get updates from one day to the next.  Fortunately, we were able to stop it before the other 20 or if Mac had the same problem.

  More information: two bricks iMacs were late 2013 models.  A 21 "and a 27.  We have just updated a test iMac which was a late model 2012 using the 10.11.4 combo updater.

• iMac does not recognize the hard drive device

  iMac does not recognize my new WD My Passport for Mac external hard drive.

  I have a late 2009 21. 5-inch iMac with Mac OS X Lion 10.7.5 version and I have USB 2.0 ports.  Memory is 4 GB 1067 MHz DDR3.

  I made sure that my Finder preference displays drives and external drives.  I tried to see if would recognize a DVD and it does.

  I was hoping to save my data to be transferred to a new Mac.

  Any help will be appreciated

  Hello amfisher,

  Thank you for using communities Support from Apple!

  If I understand correctly, you are unable to see your new external drive to an iMac 2009.  I'll be happy to try to help with this.

  So that your iMac to see it, it may be necessary to reformat the drive. The best format for use with your Mac's OS X Extended (journaled).

  Format an external hard drive for use with a Mac

  1. Connect the hard drive to a USB port on your Mac.
  2. Open disk utility.
  3. On the left side of the disk utility window, select your external drive (or one of its partitions).
  4. Click the delete or delete button on the toolbar.
  5. On the Format menu, choose Mac OS extended (journaled).
  6. Type a name for your drive, and then click clear.
  7. After that the drive is deleted, close the disk utility window.

  This should allow you to copy files to the disc.

  Your computer has software called Time Machine.  It is a fantastic software for backing up your computer.  Information on how to use Time Machine is available here:

  Use Time Machine to back up or restore your Mac.

  Using Time Machine is usually the best way to move all your files from one Mac to another Mac.

  Have a great day!

• After updating my iPhone 6 (9.3.4) the WiFi signal becomes very low! I did everything, but the problem does not stop! I don't a not update my other devices & their very good WiFi signals. Please help me solve this terrible problem...

  After updating my iPhone 6 (9.3.4) the WiFi signal becomes very low! I did everything, but the problem does not stop! I don't a not update my other devices & their very good WiFi signals. Please help me solve this terrible problem...

  Here's a tip for the user on the problems of Wi - Fi. Suggest from the top and bottom. Maybe one of them will help you.

  (1) restart you device.

  (2) resetting the network settings: settings > general > reset > reset network settings. Join the network again.

  (3) reboot router/Modem: unplug power for 2 minutes and reconnect. Update the Firmware on the router (support Web site of the manufacturer for a new FW check). Also try different bands (2.4 GHz and 5 GHz) and different bandwidths (recommended for 2.4 to 20 MHz bandwidth). Channels 1, 6 or 11 are recommended for 2.4 band.

  (4) change of Google DNS: settings > Wi - Fi > click the network, delete all the numbers under DNS and enter 8.8.8.8 or otherwise 8.8.4.4

  (5) disable the prioritization of device on the router if this feature is available. Also turn off all apps to VPN and retest the Wi - Fi.

  (6) determine if other wireless network devices work well (other iOS devices, Mac, PC).

  (7) try the device on another network, i.e., neighbors, the public coffee house, etc.

  (8) backup and restore the device using iTunes. Try to restore as New first and test it. If ok try to restore the backup (the backup may be corrupted).

  https://support.Apple.com/en-us/HT201252

  (9) go to the Apple store for the evaluation of the material. The Wi - Fi chip or the antenna could be faulty.

  Council: https://discussions.apple.com/docs/DOC-9892

• iMac does not start after 10.11.6

  Since the 10.11.6 patch my IMac does not start with my hub plugged.

  Everyone

  I assume you mean a USB hub? What does do when it's plugged in? It starts successfully when the hub is not plugged? If so, I would say that something is wrong with the hub or there is a problem with the port it is plugged or something plugged into the hub.

  Try to plug it into a different USB port on your Mac.

• Firefox seems to have recently developed seemingly random usually do not remember bookmarks, particularly when the pc does not stop correctly. Thank you

  Firefox seems to have recently developed seemingly random usually do not remember bookmarks, particularly when the pc does not stop correctly. Thank you

  If Firefox detects that the places.sqlite database is corrupted then Firefox can create a new database file and import bookmarks from a JSON backup that does not contain the most recent bookmarks (a new JSON backup is created when you run Firefox for the first time on a day), then you may lose the bookmarks in such a case.

  You can check for problems with the database places.sqlite file in the Firefox profile folder.

  • http://KB.mozillazine.org/Bookmarks_history_and_toolbar_buttons_not_working_-_Firefox
  • https://support.Mozilla.org/KB/bookmarks+not+saved#w_fix-the-bookmarks-file

• My iMac does not read DVD

  Hello

  My iMac does not read DVD. Every time when I put in DVD (free or with content), it runs for a while and that he died. CD works for most very well, but sometimes they go inside and the drive is not recognized. And also sometimes the DVD drive is not recognized in ¨informations on system"in the Apple menu.

  Thank you

  Matouš PIkous

  Did you use a cleaning CD in the optical drive?

• Why my iMac does not recognize my scanner 1600 epson perfection since the upgrade to ElCapitan 10.11.4?

  Why my iMac does not recognize my scanner Epson Perfection 1600 since the upgrade to ElCapitan 10.11.4?

  First try this: reset the printing on your Mac - Apple Support System

  If this fails, you can try this driver: http://www.epson.com/cgi-bin/Store/support/supDetail.jsp?oid=14577 & infoType = Down load

  

• Satellite A500D - fan does not stop

  Hello

  Two days ago I updated the Bios to version 1.20 win, and since then, the fan is constantly at 72% and the temperature of the CPU at 36 º.

  At Toshiba, I say it is normal, but the fan does not stop at any time and the noise is annoying.

  Anteriormento updated the BIOS, the fan stopped and started and never surpassed 54%.

  Looks like a vergueza by the care service, they have given me, I tried to deceive, as is normal for a portable fan that keeps 72%.

  Please I need someone to tell me where I can download before my Bios and how to install it.

  PS: My processor ens Turion Rm-77.

  A welcome message

  Hello

  You mean the cooling module fan didn't run all the time with the previous BIOS version?

  Well, in this case you must downgrade BIOS to the previous version.
  The problem is that you can download the latest version of the BIOS from the Toshiba page.

  But maybe a Toshiba ASP might help you and may downgrade the BIOS to the previous version

  But have you tried to change the settings in Win 7 power option?
  You can find it in the control panel-> power options

  There you can change modes of single power supply.
  In the power settings advanced, you'll find settings Toshiba energy saver and there you can change the method of cooling while the laptop is running on battery or power.

• My iMac does not start correctly. Instead, I just a gray screen. Safe mode starts, it's ok. No problem. So I ask what next step can I try? Thank you very much

  My iMac does not start correctly. Instead, I have a gray white screen. Safe mode starts, it's ok. No problem. But not in safe mode, only grey screen again.  So I ask what next step can I try? Thank you very much and sorry for my bad English.

  Reinstall El Capitan without erasing the drive

  Make sure that you have a current backup before continuing.

  HD recovery start:

  Restart the computer after the ring, press in and hold the COMMAND and R keys until the menu screen to appear.

  Repair

  When the recovery menu appears, select disk utility and press the continue button. Disk utility charges and select Macintosh HD entry indented from the list on the left.  Click the first aid tab in the toolbar... If disk utility reports any errors that have been corrected, then re-run first aid until no errors are reported. Wait until the operation is complete, then quit disk utility and return to the main menu. Select restart from the Apple menu.

  Reinstall OS X: Select reinstall OS X and click on the continue button.

  Note : You will need an active Internet connection. I suggest to use Ethernet if possible because it's three times faster than Wi - Fi and more reliable.

  In the future please post in the appropriate forum. Your question is not related to the developers forum. I will take care of moved it.

• Tecra M3-264: the fan does not stop

  Hello

  I have a labtop Toshiba Tecra M3 264, it's wonderful BUT,.
  The fan does not stop and this sound is a bit noisy in comparison with the other all I have.

  Is this normal in this model or should I take it to the service?

  Hello

  It is normal activity on new laptops cooling fan is very noticeable on older models. I recommend you to check what happen if you change the settings of cooling method in power management.

  By the way: allow the unit to take a breath. Make sure that the ventilation openings are free and that there is nothing that can stop the flow of air. If the vents are dirty and full of dust, it can also be responsible for cooling fans runs often and with a higher speed.

  Good bye

• E540: Fan does not stop

  Hello Board and support team!

  The fan in my e540 does not stop once it began to turn. It is completely independent of the system temperature. Even if the room temperature and the cpu is less than 40 * C the fan will not stop.

  The fan does not always turn, however. If I wake up the system from sleep mode or turn it on, the fan does not turn and will not start spinning until a certain threshold temperature is reached. This part of the fan control works correctly.

  Interesting procedure: I work until the heating system and the fan starts. I waint until the system is cooled below 40 * C (checked with software speccy, the flow of air leaving the laptop is cold). The fan is still running at this stage and will turn probably forever. I suspend the laptop (no full stop not required). I immediatally 'wake up' the laptop (temperature of the system has not changed, no time to cool). The fan is off again and will not start turning until the temperature threshold is reached.

  What can I do to fix this? I don't always want to suspend my laptop to turn off the fan. She has to stop on its own.

  
  

• S440/Win10 - does not stop correctly

  Hello

  I have upgraded to windows 10 recently. After the upgrade, sometimes, the laptop does not stopped correctly - windows stops, the screen goes black, but thinkpad red LED remains flashing and I hear the fans still doesn't work. To really stop I have to press and hold the power button. The battery also is to be served, because after that I left it like that night, it was gone.

  Now, it's a little weird because it isn't always happens. It only seems to happen after that the laptop has been for a while. If I had to bet, it would be related to switchable graphics as the behavior resembles the problem with graphics terribly switchable and sleep on win8.1.

  To work around this problem, I took to restart the computer and stop just after shot, but Needless to say it is suboptimal.

  Anyone has any ideas on how to fix it?

  I think I found a solution. I have seen this mentioned in other forums of laptop, and it seems to have fixed for me.

  The culprit seems to be this driver:

  Intel(r) Management Engine Interface Driver for Windows 10 (version 11)

  If you install the earlier (version 9, should be on the lenovo driver page) it solves problems of stop/standby.

• While the loop does not stop when the two values are equal using equal to comparitor

  Hello world

  I have a really, really strange bug. I have a LabVIEW VI that change a chain on a power supply. I have a start and a stop voltage and use a while loop to increment the device. For example if I want to scan from 1, 2V to 2.2 V in 0.2 V incremements, the program will end when "The current tension" = "stop the tension." And it works very well!

  However, when I start - 3 V and want to stop to say-0.8 (new in 0.2 V incremements) the program does not stop when "The current tension" = "stop the tension." I checked with the probe close to what should be the end of the race and - 0.8 V goes both of the entries ' equal to ' comaprison operator, but that his can't trigger a real result.

  It's very strange for me. Espeically as if I'm going - 0.8 V to-2 V but decrement of-0.2 V, the program stops correctly!

  I am very confused!

  See you soon!

  Search on: comparison of floating-point numbers

  The second thread is particularly relevant. This discussion was 2009, but you can find that the same "bug" being reported to enter the end of the 1980s.

  Mike...

• Called vi with one hand, it does not stop

  Hi all

  I try to call a vi of a principal, I have succedded to call the vi but I couldn't stop the main vi and the called vi does not stop and disappear. Where I did wrong?

  LabVIEW follows a model of data flow for execution of vis a block diagram node runs when it receives all the required inputs. When a node is running, it produces output data and transmits data to the next node in the path of the data stream. The flow of data on the nodes determines the order of execution of the VIs and functions on the block diagram. Source

  Once you have called your Subvi, your main VI is pending so that it ends before it can move to the next State in the state machine which is the reason why it will not stop.  If you want to run a separate VI, you can call an asynchronous mode