Why is my mac book pro very sluggish in opening windows/color wheel

why does my Mac Book Pro acting slow when ever I'm working in multiple windows, going back and forth,
it take for ever to open up load the pages, and there is a rainbow color wheel spinning, not sure what is going on with it.
please help, and my 3 year warrant has just expired. please help.

Check to see how much free space there is on the startup disk.
Click the Apple menu icon top left corner in your Desktop. From the drop down menu click About This Mac > More Info then select the Storage tab.
Make sure there's at least 15% available storage space.
mac book pro very sluggish in opening windows/color wheel
If storage space is not the issue, the startup disk may need repairing. Use Lion Recovery
OSX Tips The Storage Display

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It would be nice if you could include a kernel panic log to verify that your problem is...
Mid-2010 15" MacBook Pros - the bad NVIDIA GPU
If you're having frequent kernel panics with your 15" mid-2010, or intermittent screen problems, the problem is, more than likely, the faulty NVIDIA GPU found in a number of those machines.
Here's just a sample of a kernel panic log that points to the faulty NVIDIA card:
Kernel Extensions in backtrace (with dependencies):
         com.apple.GeForce(6.4.0)@0x82ac4000->0x82b7afff
            dependency: com.apple.NVDAResman(6.4.0)@0x834a0000
            dependency: com.apple.iokit.IONDRVSupport(2.2.1)@0x82fd3000
            dependency: com.apple.iokit.IOPCIFamily(2.6.5)@0x7a802000
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         com.apple.nvidia.nv50hal(6.4.0)@0x83c05000->0x84019fff
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Here's the "official" Apple take on the issue - but the very real kernel panics need not be preceded by 'Intermittent black screen or loss of video'... in fact, you might not experience any video problems at all. Although video problems can certainly be a portent of things to come…
So what can you do? Print out a copy of your kernel panic and a copy of the Knowledge Base article and take them, along with your machine, to your local Apple Store or an Apple Authorized Service Provider. The unfortunate thing is that many people have passed the “three years from date of purchase” now and Apple is not honoring the free logic board replacement for many users. Some dealers seem to be making some exceptions for those past the three year mark, but don’t count on it…
Good luck,
Clinton

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thanks guys, i just sold it to my friend, but i am thinking to buy a new (macbook Pro, I7) , but i am stell ind doubt because, i work at a software company, so I need to install Oracle 10g, sql developer or sql navigator 6.2, Oracle, Devsuit, Visual studio 2010, whithout them, i can not work. i nead to learn how to configure sql developer or sql navigator to connect database Oracle? you can send me a link if you have one.
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Sounds to me like you may have gotten a machine with hardware issues, but it's hard to say. It will shut down if it gets too hot, but that's not a normal occurrence. I have never seen a MacBook Pro shut down due to heat, even after lengthy 3D gaming sessions where the fans are running fast and the bottom of the machine is unpleasant to touch.
First thing I would try to do is reset the SMC. If that doesn't help, erase the hard drive and reinstall the system from scratch, which you should always do with a used machine anyway.
If a fresh system doesn't help, you'll need to get it checked out by Apple.
Edit: Oh, and sig is absolutely right... please don't post in all caps! It's very irritating.

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To repair any hardware damage would require opening the phone up.
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davenug,
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WHY DOES MY MAC BOOK PRO SHUT OFF ON ME?

DAKINGGOD wrote:
WHY DOES MY MAC BOOK PRO SHUT OFF ON ME?
Not much to work with here...
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davenug,
given how much we currently know about your MacBook Pro, why do you think that we would know the reason? Please help us to help you by providing relevant information about your MacBook Pro — which model is it? Which version of OS X is installed on it? Is its battery fully charged? Is its AC charger working properly? &c.

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What is the EXACT model MBP that you have?
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Download iStat menus:
http://bjango.com/mac/istatmenus/
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Keep it charging for a while.
If you can, do not use the computer for a while.
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Use this article to examine your RAM picture:
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How much total RAM?
How much of the pie is Green? 1/8 pie? More? Less?
How much is Green + Blue combined?
How many PageOuts since last Startup?
How much Swap Used?
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Things to try,
other forums for using snow leopard and macbook pro; preventative maintenance in the future; disk repair (sometimes you may need stronger 3rd party); Safe Boot for mild issues.
(I cannot for the life of me see resetting pram/nvram being of any help whatsoever, sorry).
How To Clone a Volume
Using Cloning as a Backup Strategy
Disk maintenance with Disk Utility and fsck
MacBook Pro
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Why is my mac book pro very sluggish in opening windows/color wheel

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