Imac slows dow to almost a totatal stop

My iMac slows down working 48 hours without restart to almost non responsive. I can not even quit the open applications unless I force quit. After restart everything goes back to normal. I don't have to many applications open when I work, that's why its really confusing, why this is happening.

I would suspect 3 things.
You are low on RAM
Your Hard Drive is low on space
Your Hard Drive is in the early stages of failing
For the first two go to Applications > Utility > Activity Monitor, now check both System Memory and Disk Usage. > http://mac.appstorm.net/how-to/os-x/making-the-most-of-activity-monitor/
For the last one, run the Extended Apple Hardware Test > http://support.apple.com/kb/HT1509
Dennis

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I have tested on tiny low quality images as well.
I bought this with the bundled Premiere Elements which is also unusable even with the smallest and lowest quality video file.
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IMac Slowed terribly

I have a 2 year old+ iMac with OS x 10.6.7
Until very recently, desktop ran fine with no real issues.
Over the past month or so, started to slow dow considerably. I saw alot of programs seemed to be "open" still so quit those but CPu memory was still hitting 55 to 60% not doing anything.
I have a bunch of photos but still a ton of free available....this is a dual core intel
I don't know what steps to troubleshoot to get this pup going better as it was unusable a few days ago and now is just about usable...
The only major change I made was making this wireless to a printer (networked printer in house) with another computer wireless to it...
Mozy runs for backup....but most of everything is already backed up.
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thanks in advance

Have you tried vacuuming the machine, it sounds as if it might be overheating. If it's not the iSight, open the case and vacuum the fans as well as the air vents.
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Reset the iPad by holding down on the sleep and home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons.
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An update to the iOS has been announced and it is in Beta now. Hopefully it will be released to all users soon.

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EPSON Stylus CX4800 All-in-One Printer
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How much free space do you have on your drive?
From the sounds of your problem is sounds like you are approaching a full disk.
Allan

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Hi William,
Make a New Location, Using network locations in Mac OS X ...
http://support.apple.com/kb/HT2712
10.5, 10.6, 10.7 & 10.8…
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Imac slows dow to almost a totatal stop

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