2011 27 "iMac running very slow - please help

Hello, I know it's an old computer, but it makes no sense as to why it is slow. When I got it, it was fast as lightning, now he struggles to keep Chrome and Photoshop open at the same time. I have reset the PRAM and SMC a couple of times, no results. The fans do not run particularly fast, and it's never really too hot. It's very slow start as well, and most of the time that I hesitate to open anything at startup for 5-10 minutes for fear of this gel horribly.

OS X Yosemite

10.10.5 version

iMac (27 inch, mid 2011)

Processor Intel Core i5 at 2.7 GHz

4 GB 1333 MHz DDR3 memory

AMD Radeon HD 6770 M 512 MB graphics card

I'm free to Go 602,21 Go 999,35. Is not as if he reaches its peak to storage, and it's not as if it was a bad computer. Checked for anti-virus, so nothing has jumped to the top. Love insight as to why this iMac has become a potato.

Thank you

scripttion

Please download and run a report of EtreCheck and then copy and paste the results into your answer.

https://etrecheck.com

That should reveal the reason why your Mac is slowing down.

Otherwise, it's just a guessing game.

Personal data is shared in the report

One thing you can try since it is slow to start. Open System Preferences > users and groups > login items. Delete a connection point at the time, and then restart your Mac to test.

Tags: Mac

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    in the menu at the top of the screen bar.

    Each message in the journal begins with the date and time when it was entered. Highlight date back to the time you noted above.

    Select the messages entered since then until the end of the episode, or until they begin to repeat, whichever comes first.

    Copy messages to the Clipboard by pressing Control-C key combination. Paste into a reply to this message by pressing command + V.

    The journal contains a large amount of information, almost all this is useless to solve any particular problem. When you post a journal excerpt, be selective. A few dozen lines are almost always more than enough.

    Please don't dump blindly thousands of lines in the journal in this discussion.

    Please do not post screenshots of log messages - text poster.

    Some private information, such as your name, may appear in the log. Anonymize before posting.

    When you post the journal excerpt, an error message may appear on the web page: "you include content in your post that is not allowed", or "the message contains invalid characters." It's a bug in the forum software. Thanks for posting the text on Pastebin, then post here a link to the page you created.

    If you have an account on Pastebin, please do not select private in exposure menu to paste on the page, because no one else that you will be able to see it.

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