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Excellent answers. &nbsp;Thanks a lot for your help.<br />
capreol
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Excellent answers.  Thanks a lot for your help.
capreol

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I own a 4-5 year old macbook pro laptop. &nbsp;Every since I upgraded to Yosemite the computer has become extremely slow and it is definitely under performing. &nbsp;What kinds of things can I do to improve the performance of this laptop? &nbsp;I have checked the Ram and it is adequate...2GB. &nbsp;Also, there is a lot of free space on the hard drive. &nbsp;I have looked on the internet to find out if other people are experiencing this problem and some of these folks are suggesting to down grade the OS to the previous operating system. &nbsp;What do you think?<br />
capreol
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I own a 4-5 year old macbook pro laptop.  Every since I upgraded to Yosemite the computer has become extremely slow and it is definitely under performing.  What kinds of things can I do to improve the performance of this laptop?  I have checked the Ram and it is adequate...2GB.  Also, there is a lot of free space on the hard drive.  I have looked on the internet to find out if other people are experiencing this problem and some of these folks are suggesting to down grade the OS to the previous operating system.  What do you think?
capreol

how to speed up my macbook pro

Apple's early computers ran on a variety of operating systems, including a Pascal version and one based on CP/M, before releasing its ProDOS with the advent of its 16-bit computer. With the release of the Lisa, which had its own OS, Apple and computing entered the graphical age; it was followed by the Macintosh, which offered a series of "System" operating systems. Other Mac operating systems included PowerPC until Apple acquired NeXT and folded it into the Mac OS. Current operating systems for Apple devices are Mac OS-X and iOS.

Apple OS

A laptop or notebook is a portable personal computer with a clamshell form factor, suitable for mobile use. Although originally there was a distinction between laptops and notebooks, the former being bigger and heavier than the latter, there is often no longer any difference. Laptops are commonly used in a variety of settings, such as at work, in education, and for personal multimedia. A laptop combines the components, inputs, outputs and capabilities of a desktop computer, including the display screen, speakers, a keyboard, and pointing devices (such as a touchpad or trackpad) into a single unit. The device can be powered either from a rechargeable battery or by mains electricity from an AC adapter.

Laptops Notebooks

Programs written for the Apple operating systems are distinguished from software created for other operating systems in that it must be approved by Apple for use on its devices, whether it is from Apple (Final Cut, iWork, Keynote, Logic Pro and GarageBand are popular titles), or is a third party application from Parallels, Nuance, Microsoft and Amazon, among many others.