A Kernel Task runs at 700% processor power between every 5 minutes to 1 hour. I have tried Onyx, zapped the PRAM and reinstalled Snow Leopard.
A Kernel Task runs at 700% processor power between every 5 minutes to 1 hour, slowing down everything I do. I have tried Onyx, zapped the PRAM and reinstalled Snow Leopard. Any suggestions?
pan did you solve it? i have the same issue. i see people writing 'oh no kernel on 200-300%... well my kernel runs up to 600-800% anytime. i'm running os 10.6.8, i have 2010 2GHz intel core i7, with 16gb ram and... go figure. even ssd drive, thinking i have the fastest possible hardware installed to ease up on any task i'm about to do. but when it gets slow then safari just 'quits' on me, mouse cursor gets so sloppy slow (that's how i always realize that kernel is knocking on the door again). but... i do use screen, 24 apple LED and i have the laptop still open, so dual screen. i think it happens way less when the laptop is closed and i use just the big screen... but i refuse, this is not a calculator, its god **** macbook pro, so if one extra screen kills my workflow then i have to... idont know what. help apple, wth! and your safari ***** so much it's not even nice, it's so buggy but i'm the crazy one, because i keep using it. that's all
Similar Messages
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I have a mid 2010 Macbook Pro running Snow Leopard and foolishly upgraded to Yosemite. Now have numerous problems. Is it possible to go back in time with Time Machine and reinstall Snow Leopard? Then upgrade to Lion or Mavericks? Any other ideas on how I can exit Yosemite?
Once you get yourself back to Snow Leopard, if you still want to upgrade somewhat, I would suggest the following:
1. Get an external hard drive that you can use for experiments with new OS versions. You could partition it into 2 or 3 partitions. You could then clone your existing Snow Leopard system to one partition using Carbon Copy Cloner (well worth $40) or SuperDuper ($25).
2. Buy OS X Mountain Lion for $20, through the Apple online store (I don't think it's available through the App Store). Apple has decided to make it very difficult for anyone to get Mavericks unless they have already downloaded it.
You will receive two e-mails from Apple, one containing a PDF with a redemption code, and one with the password you will need to unlock the PDF. Using the code, you will download Mountain Lion from the App Store, where it will appear among your Purchased items.
After ML finishes downloading, its installer app will launch itself. When you see this launch screen, QUIT the install app immediately! Go to your applications folder, find the Install OS X Mountain Lion app, and copy it to a safe location outside of your Applications folder. Keeping one or more copies will allow you to reinstall without unnecessary aggravation if you later need or want to do that. At this point, you can re-launch the Installer in the Applications folder and let it run. You can install it on a clean partition on your external HD, or you can allow it to upgrade the Snow Leopard clone you created on your external drive, or you can do both. This should allow you to test how everything works for as long as you like.
3. If you left yourself a free partition on your test drive, try a clean install of Yosemite and set everything up from scratch (do not migrate anything). This will allow you to see whether your problems with it were related to something in your Snow Leopard system. -
Hallo, - I have a PC running Win 7 Professional. After running Kaspersky Internet Security 2015 the Creative Cloud isn't working any more.
I tryed to delete the cloud and reinstall (system error 1) it but no change. I also can't download Flash - even not shutting down Kaspersky. Help Please!!Hallo, - I have a PC running Win 7 Professional. After running Kaspersky Internet Security 2015 the Creative Cloud isn't working any more.
I tryed to delete the cloud and reinstall (system error 1) it but no change. I also can't download Flash - even not shutting down Kaspersky. Help Please!! -
How can I uninstall Maverick and reinstall snow leopard?
My mac hasn't been the same since I upgrading to maverick. Runs slow, crashes, can't cope with normal functions....
I need to go back to leopard or buy a new MacBook Pro!
Help, please helpRevert to a Previous OS X
Revert to former OS from Mavericks
Revert to Snow Leopard -
I have a windows 7 premium laptop, 64 bit driver, have tried to install itunes but recieve an error when trying to open. Error states "Apple Application Support is required to run itunes. uninstall and reinstall again, error 2 (windows error 2). have tried this 4-5 times with no success. help!
For general advice see Troubleshooting issues with iTunes for Windows updates.
The steps in the second box are a guide to removing everything related to iTunes and then rebuilding it which is often a good starting point unless the symptoms indicate a more specific approach. Review the other boxes and the list of support documents further down page in case one of them applies.
Your library should be unaffected by these steps but there is backup and recovery advice elsewhere in the user tip.
The section Install missing components has advice on breaking down the iTunes installer into the individual .msi files which might prove useful if AAS won't install normally.
tt2 -
i dont know how to fix this help
Basic Troubleshooting Steps when all else fails
- Quit the App by opening multi-tasking bar, and swiping the App upward to make it disappear. (For iOS 6, holding down the icon for the App for about 3-5 seconds, and then tap the red circle with the white minus sign.)
- Relaunch the App and try again.
- Restart the device. http://support.apple.com/kb/ht1430
- Reset the device. (Same article as above.)
- Reset All Settings (Settings > General > Reset > Reset All Settings)
- Restore from backup. http://support.apple.com/kb/ht1766 (If you don't have a backup, make one now, then skip to the next step.)
- Restore as new device. http://support.apple.com/kb/HT4137 For this step, do not re-download ANYTHING, and do not sign into your Apple ID.
- Test the issue after each step. If the last one does not resolve the issue, it is likely a hardware problem. -
My iMac has been continuously running its internal fan. Sometimes with just the internet running, or upon startup. I put it into sleep mode and wake it back up, which turns the fan off, but sometimes it starts back up shortly after. I have tried resetting the SMC by powering off and unplugging. Anything else that could be causing this?
Open Activity Monitor in the Utilities folder. Select All Processes from the Processes dropdown menu. Click twice on the CPU% column header to display in descending order. If you find a process using a large amount of CPU time, then select the process and click on the Quit icon in the toolbar. Click on the Force Quit button to kill the process. See if that helps. Be sure to note the name of the runaway process so you can track down the cause of the problem.
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How can I restart a mac pro that shows only a grey screen with a spinning wheel. I reinstalled snow leopard (10.6.3) over 10.6.8 because apple genious people said I had problems with my library files after a time capsule crash. I reinstalled but when done I got only a blue screen. I restarted with the power button and tried to insall 10.6 combined upgrades. I got an error message that it could not install because of an error. When I powered down and tried to restart, I get only a grey screen. My optical drive does not open so I can't restart from another source.
Restart, holding down the mouse button. That should eject the disc. Zap the PRAM and Reset the SMC. Then, pop in the install disc, restart with it in again, select your language, and, when the menu bar pops up, select Disk Utility from the Utilities menu. select the boot volume and repair the disk.
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Need to reformat HDD running Mountain Lion and install Snow Leopard
I bought a new Retina Display MBP and want to sell my Late 2008 MBP.
My 2008 MBP is running Mountain Lion, but I want to format the HDD and install Snow Leopard. When I try installing Snow Leopard from the DVD, I get the following message: "You can;t use this version of the application Install Mac OS X.app with this version of Mac OS X."
How can I get this done?The only way to do it is to boot from the Snow Leopard installer disc and the erase and install. In other words you cannot "downgrade" OS X 10.6 over top of 10.8. Besides, if selling it an erase and install is the best thing to do anywya - gets all your info off it.
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After a one week logout and shutdown my macpro 1,1 laptop running OSx 10.6.8 shows a black screen at startup attempts. The battery is fully charged and both resetting the power manager and zapping the PRAM have failed to permit startup. What else can I try?
Startup – Black screen with cursor
Startup Issues - Resolve
Startup Issues - Resolve (2) -
I have anipod classic 5th gen, it is synced to another pc it has 700 songs I don't want to lose, In itunes I said cancel when the sync and erase window poped up,I selected manually manage my ipod hit apply, pc locks up had to ctrl alt delete. what else can I do? DoI have to sync the ipod? DoI have to reset the ipod?
Copy all the contents currently on your iPod Classic to your new iTunes library and then choose the Erase and Sync option. See this older post from another forum member Zevoneer covering the different methods and software available to assist you with the task of copying content from your iPod back to your PC and into iTunes.
https://discussions.apple.com/thread/2452022?start=0&tstart=0
B-rock -
Hello, I have a late 2012 27" iMac. Its a 3.2 GHz i5 processor. I originally upgraded my ram to 32 GB and was running like a champ for over a year. Then, it started to randomly turn off no matter what I was doing. I took it to the apple store and they said it was the ram. So I ordered 16 GB of ram from Crucial that matched what they said my computer would need. I got it in last week and installed it and it still turns off randomly. I have tried the PRAM and SMC resets and the computer will run like a champ for 15-20 mins then turns off. I would love any help, advice or possible solutions as I am by no means a computer wiz. Thanks in advanced!
Very true - and the tests they do at the store are far better than the AHT. As well, Apple does not tell you where it puts the RAM - they just tell you to add RAM in the empty slots, LOL. Your About this Mac > Memory should show your two modules next to one another (which, as I've decided to "name" them would be slots 1 and 3 as showing from the top as you are looking at it with all the slots facing you (the bottom being towards the bottom of the display). The odd thing (to me) is that the 'about this mac' window still shows the same arrangement even though the modules are now placed vertically. In mine (with two rows of two slots side by side), it shows the OEM RAM in the top and the additional RAM I added on the bottom (which is exactly how the slots are arranged):
And, one more thought - maybe way off - the late 2009/mid 2010/early 2011 iMacs had problems with adding a full complement of third party RAM (they were ok with all OEM or a lesser amount of third party RAM - that is why mine only has 12 GB rather than the supported 16 GB). There were several very lengthy threads about this; I will try to find one of them which I had bookmarked (I can't find my bookmarks in this new iteration here)... -
Attempting to download Maverick it has been running for nearly 24hrs. I have tried shutting down the computer but the setup assistant keeps canceling the shut down.
Just hold down the power button for about ten seconds and the machine will turn off.
I'm not sure how fast your Internet speed is but my Mavericks downloads usually only take about 20-25 minutes for a 5.33GB file.
No telling what will be waiting for your when you power back on... call back if you can't login to your computer.
Clinton -
i think my iphone 4s has a damaged software because it locks the phone always and powers it off without touching the power button. how can i rectify this problem?? i already tried erasing all the settings and content of the phone. thanks..!
This is a user to user help forum only. You are not addressing Apple here.
My iPhone 4S, iPhone 5, and iPad 2 are running 6.1.3 with no such problem and the same with the overwhelming majority of iOS devices running 6.1.3. -
My 27" Imac (A1312/EMC2390) keeps shutting down unexpectedly with no warning or "screen of death". So far I reset the SMC, and zapped the PRAM. I even replaced the power supply but the problem continues. My error and system logs seem unhelpful too. Can anyone help me out?
You can get a shutdown like that if the computer gets too hot. Make sure the air intakes on the bottom and the exhaust vent on the top are clean and are not blocked by something in your workspace like papers or the back of the computer being too close to part of the furniture. You need a good six inches (15cm) of clearance between the exhaust slot and other objects or surfaces.
Anti-virus/internet security software, especially the "pay for" kinds, can increase operating temps. So can third-party backup software furnished with many "name-brand" external hard drives.
Fan motors and/or temperature sensors can fail. If you have the original grey disks that shipped with your iMac, find the on that has Apple Hardware Test (AHT) and run it. If you have a failed heat sensor or fan motor, it will detect it with an error code containing "SNS" if it's a bad sensor or "MOT" if its a bad fan motor.
AHT instructions here:
http://support.apple.com/kb/HT1509
Also see if your iMac 27 falls under theis Apple Repair Extension Program:
iMac 1TB Seagate Hard Drive Replacement Program
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