Photoshop CC(2015) Very slow and laggy on my system without a photo even opened - Mac OS 10.10.5

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  • Updated 3 years ago
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Photoshop CC(2015) 2015.0.1 is slow and laggy, even before anything is opened. File does not respond instantaneously, but lags, so do all the other menus. When a photo is opened many things slow down. Scrolling lags, the Spot Healing Brush will leave the Black circle, until I click somewhere else, sometimes. Nothing reacts as it has in the past with CS5 or CS6. I'm using a Mac Pro (Early 2008) 2 x 3 GHz Quad-Core Intel Xeon, 10GB/800 MHz DDR2 FB RAM, Version 10.10.5, ATI Radeon HD 2600 XT 26 MB RAM. I've set Photoshop preferences as suggested by a number of people with a similar problem, none of them helped. In Activity Monitor there is not a large amount of CPU nor Memory usage. There does not seem to be a lot of network activity when this happens. It's very frustrating.
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James Manning

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Posted 3 years ago

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Chris Cox

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Try disabling font previews (Type -> Font Preview Size -> None).
IF you have any third party plugins or extension panels, try disabling them.
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James Manning

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I don't see Font Preview in the Type preferences, and I don't have any third party plugins
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James Manning

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Found the Font Preview-it is now off.
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James Manning

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No help. Still laggy. All functions, and I tried with multiple files, of varying size.
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Chris Cox

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OK, then if you don't have third party plugins or extension panels - you need to look for something outside Photoshop that might affect the application in some way. That could be something like an anti-virus utility, firewall, "system optimizer" utility (which do more damage than good), a disk drive that is failing, etc.
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David, Official Rep

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Hi James,

Just a shot-in-the-dark, but are you a "font guy" -- that is, do you install fonts from various sources on your machine?  If one of the fonts is bad, it could degrade the system's performance.  You can check your fonts using the steps here: https://helpx.adobe.com/photoshop/kb/troubleshoot-fonts-photoshop-cs5.html  It's at least an idea of what to check next, particularly if you have already checked utility apps.

Thanks,
David
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James Manning

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Nope. This is a new install "fresh out of the box". No extra plugins nada.
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Chris Cox

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The OS font cache could still be corrupt and causing issues. And any other applications you installed could have added fonts (especially Adobe and Microsoft apps).
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Dylan Liddell

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having the same problem, completely different system. was hoping it was just win 10 and reinstalling it would help. but freezing up on almost every action, resize, picking colours, changing tools. almost completely unusable at the moment (win10, k4000quadro, 16gbram, 8coreAmd black, ps2015.0.1 64b)
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Chris Cox

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In your case, the video card driver would be the most likely cause, followed by third party utilities/applications, third party plugins, and corrupt fonts or OS font cache.

Update your video card driver from the GPU maker's website (AMD's update is still in beta).

Try disabling any third party plugins or extension panels.

Try exiting any utility programs or other applications you are running.

Then try the font troubleshooting guide given above.