Why is my iMac so slow and now it is locking up on me

My iMac is soooooooo sow and it just locked up on me. Screen went white and a folder with a question mark was flashing and would not do anything for at least 8 minutes. I had to turn it off from the on/off switch and it took almost 10 minutes to turn back on.

As Eric says...
"Try Disk Utility
1. Insert the Mac OS X Install disc, then restart the computer while holding the C key.
2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu. (In Mac OS X 10.4 or later, you must select your language first.)
Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.
3. Click the First Aid tab.
4. Select your Mac OS X volume.
5. Click Repair. Disk Utility checks and repairs the disk."
http://docs.info.apple.com/article.html?artnum=106214
Then try a Safe Boot, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, reboot when it completes.
(Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive.)

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Why is my computer so slow and now constantly freeze up after installing OS 10.10 Yosemite?

Why is my computer so slow and now constantly freeze up after installing OS X Yosemite?

If your Mac runs slowly:
http://support.apple.com/kb/PH19031?viewlocale=en_US&locale=en_US
Start up in Safe Mode. http://support.apple.com/kb/PH18760
Reset SMC. http://support.apple.com/kb/HT3964
Choose the method for:
"Resetting SMC on portables with a battery you should not remove on your own".
Repair Disk
Steps 1 through 7
http://support.apple.com/kb/PH5836
FileVault encryption may make the Mac run slowly after installing new version of OS X.
Let it finish.
Remove unnecessary software like CleanMyMac2.
Run EtreCheck: https://discussions.apple.com/docs/DOC-6173
Take a look at it or post a report here.

Why is my computer so slow and now constantly freeze up after installing OS X Yosemite?

Why is my computer so slow and now constantly freeze up after installing OS X Yosemite?

Activity Monitor - Mavericks also Yosemite
Activity Monitor in Mavericks has significant changes
Performance Guide
Why is my computer slow
Why your Mac runs slower than it should
Slow Mac After Mavericks
Things you can do to resolve slowdowns see post by Kappy
Try running this program and then copy and paste the output in a reply. The program was created by Etresoft, a frequent contributor. Please use copy and paste as screen shots can be hard to read.
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IMac super slow and now will NOT boot up

My iMac G5 (non-intel, non-isight) has been slow for a few days. I've tried to isolate it to an application but couldn't really find anything. We didn't install any new applications before it started slowing down.
So I ran software update, installed 10.4.8, shut down, and then it never restarted! It goes to the gray screen with the Apple mark and the little circle loading indicator. But it gets stuck there.
Apple Care is closed for the weekend so I need help. Help!

To Apple Discussions!
Which model G5 iMac with no isight?
http://docs.info.apple.com/article.html?artnum=301724-en How to identify your iMac
See Mac 101-Lesson 2: Startup Setbacks.
Click on the topic link(s) that pertain to your issue(s).
Good luck!

Why is my ipod so slow and laggy? i have lots of space on it, my history is deleted, i dont have multiple apps running! I have an iPod 4th Gen for about 2 years now and I don't know what to do.... Please help

why is my ipod so slow and laggy? i have lots of space on it, my history is deleted, i dont have multiple apps running! I have an iPod 4th Gen for about 2 years now and I don't know what to do.... Please help

Periodically double click the home button and close all the apps in the recently used dock. Then power off and then back on the iPod. This frees up memory. The 4G only has 256 MB of memory.
Try:
- Reset the iOS device. Nothing will be lost
Reset iOS device: Hold down the On/Off button and the Home button at the same time for at
least ten seconds, until the Apple logo appears.
- Restore from backup. See:
iOS: How to back up
- Restore to factory settings/new iOS device.
If still problem, make an appointment at the Genius Bar of an Apple store since it appears you have a hardware problem.
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I got my apple tv in July and now it doesnt work? its very slow and now I cant play anything off my computer on to my tv why?

I got my apple tv in July and now it doesnt work? its very slow and now I cant play anything off my computer on to my tv why?

If that magnet was strong enough, it may have damaged your hard drive. You'll have to bring it in and see if you can get it repaired/replaced.
~Lyssa

Bought 4th Gen 3TB TC - streaming TV over the internet is now so slow and now is constantly buffering. It seems the Airport Utility is always 'searching for new networks' - don't know if this is the problem. It's not the internet speed as checked that.

Bought 4th Gen 3TB TC - streaming TV over the internet is now so slow and now is constantly buffering. It seems the Airport Utility is always 'searching for new networks' - don't know if this is the problem. It's not the internet speed as checked that. I took my old router upstairs and was streaming TV via my ipad seamlessly - the same program via the TC was constantly buffering.
I just expected to be able to plug in the TC, so a simple set-up and experience wireless both upstairs and downstairs in my house. For some reason the range is low and speed veru disappointing.
I am far from being an IT expert but I would welcome advice about setting up this TC so we can enjoy the product as it was designed. Please HELP!

No silver bullet........but my suggestions may drive you in the right direction.
1. Unplug the power cable from the TC and wait 10-15 minutes before powering back up.   Seriously wait!
      Proceed to #2 if this dosen't help.
2. Unplug the power cable from the TC, ubplug the power cable from your Broadband Modem (assuming it's a cable modem), disconnect ethernet, and cable from modem.
2a. Wait 10-15 minutes then re-connect cable, ethernet, and power back to modem (your modem should power up unless you have a power switch) wait for all the modem lights to come on EXCEPT activity.
2b. Connect ethernet from modem to TC, and plug in the power cable to TC.
      Proceed to #3 if this dosen't help.
3. Reconfigure the TC.........Read here........http://support.apple.com/kb/HT3728
All really simple to do....if you need additional help let me (us) know.

Why does my Imac screen slide and I lose my screen? It goes back to my desktop. Then sometimes my screen goes to full screen and I don't know how to get out of it.

Why does my Imac screen slide and I lose my screen ~ It goes back to my desktop.
Then sometimes my screen goes to full screen without me doing any commands, and I don't know how to get out of it without going to force quit and starting all over.

Hi,
When it goes full screen try moving the mouse up to top right of scren & see if there a double diagonal Arrow to click on.
On the other see if it's the silly implentation of Spaces/Mission Control/Expose in ML...
https://discussions.apple.com/thread/4298411?start=0&tstart=0

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I have updated my Imac to Mavericks and now my parallells won't work and I have reinstalled as per the instructions. Please help as all my data is on a hardrive that is formatted for PC.

Yes I just discovered that this morning but I have purchased another external harddrive and formatted it for both and am in the process of transferring the files across it and then I will erase the old harddrive and reformat it so I can use it.
I have learnt to format harddrives from this experience but am happy to see the back of parallells.
Thank you for your help though it is much appreciated.

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First is the most USB ports do not provide enough power to charge an iPad. Do not try and charge your iPad from such USB ports.
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Well, first things first... is the power cord fully plugged into the back of the iMac (and the wall, for that matter)?
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(88522)

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meismusic wrote:
There is nothing you can do.
why do you say that?

Why is my iMac so slow and now it is locking up on me

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