KEYBOARD BECOMES UNRESPONSIVE on MacBook Pro when using PHOTOSHOP CS5 for any length of time.

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I have a late-model MacBook Pro with an Intel i7 processor, 16GB of ram, and a large solid-state hard drive which has plenty of open space. I am currently using Photoshop CS5, but I have had this same problem on a continual basis with PREVIOUS MacBook computers, and with PREVIOUS versions of Photoshop. This problem only occurs when I have been using Photoshop for 30-60 minutes, but it ALWAYS occurs eventually if I use the program for any length of time. The keyboard keys become unresponsive. The trackpad continues to function MOST of the time, but I have seen it become unresponsive as well. Closing Photoshop & re-starting it NEVER solves the problem, but re-booting the computer ALWAYS does. I keep the operating system & Photoshop updated. I am currently running OS X v. 10.10.4, but I have had this same problem with other versions of OS X, going back as far as 10.5 at least. I have tried completely removing & reinstalling Photoshop and/or the operating system, with no effect. I have consulted Apple several times, but they always find it is neither their hardware nor software.
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PhantomDrum

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Posted 3 years ago

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Chris Cox

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Other users are not seeing that problem. And Photoshop can't affect other applications like that, plus Photoshop can't have any effect when it is not running, and has no state other than preferences when restarted, and has nothing that would change on a reboot. So you're looking at a system level problem, possibly with an OS setting, possibly with a utility program or driver. We've seen third party keyboard and mouse drivers do weird things like this (especially wireless keyboard and mouse drivers) in the past.
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David, Official Rep

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Howdy,

It sounds like you have either an issue with your keyboard/mouse or you have an issue with some companion app, such as used for screen capture.

I'm going to assume that you're running an English keyboard and OS, right?  What kind of mouse are you using?  Are you using a tablet as well?  Any applications or utilities which function via a set of key strokes?  Oh, and are you on a network or using a heavy-handed mail app (like Outlook)?

Thanks,
David
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Adam Jerugim, Employee

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Grab and install the plug-in posted here:
https://helpx.adobe.com/photoshop/kb/...

It should mitigate the keyboard issues you're seeing with CS5 and OS 10.10.x.
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PhantomDrum

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No problems EVER with keyboard or mouse EXCEPT in Photoshop. Yes, English keyboard & OS. No separate mouse. No tablet. No app or utility using key strokes. The only network is my WiFi internet connection. Use only (Apple) Mail for my emails. Thanks so much for your suggestions. Unfortunately, not of much help. What baffles me is that I had this very same issue with my last MacBook Pro, with several previous editions of OS X, and even with previous editions of Photoshop, yet NOBODY ELSE has reported this same problem! By the way, I have tried deleting & reinstalling both the OS and Photoshop. I even got a new (solid state) hard drive a while back, and installed fresh versions of the OS and Photoshop on it. Thanks again.
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PhantomDrum

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Adam- I am NOT using a Wacom, so this doesn't seem like it should apply to me. Also, the plug-in says it's only meant for Photoshop CC or CS6. I am using CS5. Are you sure about this? I hate to install extraneous software that might actually screw up something else. Thanks.
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Adam Jerugim, Employee

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I'm 100% sure that the plug-in will solve the issue you're experiencing with keyboard shortcuts + CS5 on OS 10.10.x. The plug-in itself is rather small and won't affect the performance of anything else on your system.
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PhantomDrum

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Adam- Didn't work. Thanks anyway for your suggestion.
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David, Official Rep

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As Chris pointed out, we've heard only one complaint on this topic; yours.  I read the forums every day and I'm pretty sure Chris does as well.  Usually if there's the slightest problem, we get a half dozen reports in the first few days of launch alone.  On this topic we've heard nothing.  That makes me HIGHLY suspicious that there's something else on your machine triggering the problem.  It could be anything -- tablet apps and screen capture utilities are common culprits.  But, if PS alone was the source of the woe, I guarantee we'd have heard about this literally hundreds of times by now.

Meanwhile, one thing to keep in mind is that CS5 is a VERY old app compared to your OS.

Photoshop CS5 came out more than five years ago -- ancient history in the software world.  When PS CS5 was released, it was optimized to run on 10.6.  Keep in mind, Apple doesn't even support 10.7 any longer...  It's quite possible that there's some API which is simply no longer supported in 10.10.  It wouldn't in the slightest bit surprise me.  I would highly recommend upgrading to a more modern version of Photoshop; at the moment, by analogy, you're trying to use a rotary dial phone on a cellular network...

Thanks,
David
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PhantomDrum

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Thanks for your input. In actuality, this is a only a minor annoyance, and like I said in my opening query:
1. I have had this very same problem with previous versions of Photoshop. In fact, I have never NOT had this problem, going back to CS3, and even FURTHER back to CS. All versions have had this problem from "day 1."
2. I have had this very same problem with my previous MacBook Pro, which was originally purchased back 8 or more years.
3. I have had this very same problem with previous versions of OS X, also going back to whatever was current 8 or more years ago (and with EVERY VERSION since).
I believe everything you say, but I've yet to hear anyone give a logical explanation, given 1., 2., and 3. above. No one seems to think this is possible, yet somehow it is.
To be frank, I am not willing to spend what it would cost to subscribe to the latest cloud version of Photoshop. I am an amateur photographer (though one with decades of experience), who uses the product intensely. But not being a professional, I use it in spurts. My photography is primarily travel-photography, so I use the product a lot after an excursion, but then not at all for several months. Thus it would be a lot of wasted money to subscribe. So, I will carry on with CS5, which works just fine for me in general. While newer versions DO have added features, in broad terms they are MUCH more alike than different. Thanks again for your input.
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David, Official Rep

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Okay.  What you're indicating with your three points is that you've probably also installed some other application which is triggering the problem you're seeing.  We've honestly not heard similar complaints and if they existed for eight years or more, not only would we have heard, but I think we'd have been lynched by now.

I'd suggest reinstalling ONLY the OS and PS and see where that brings me, but that's just me.

Good luck.  If you would like more help troubleshooting, just let us know.

Thanks,
David
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PhantomDrum

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I've tried that to no avail. I appreciate your trying to help. I know you're doing your best. As I said, it's really only a minor annoyance, so I guess the best thing is to just leave it be.
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Chris Parker

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Interesting finding this thread. I've had this issue on a number of occasions and when it last occurred I was editing an email and backspacing over characters or holding the shift key and arrowing over characters to select them and then pasting another word in place of it using Cmd+V. After doing this a number of times I heard this odd rising musical noise like someone running a finger over the fingers of a metal hair comb (I am not joking, that's what came out of the speakers) and from that point on the alpha and numeric keys became unresponsive.

I tried all sorts of things to get the keys to become responsive but had to resort to saving the email into the Draft folder (so I could go back to it) and then shutting down all Apps before rebooting. Strangely enough after rebooting, the same peculiar sound again came out of the speakers but this time it was as if the fingers of the hair comb were run over in the opposite direction i.e., a descending musical noise. Kind of like the reversal of the sound. Go figure.

Undoubtedly unrelated to Photoshop but just adding to the mix so that others might conclude that there is something else going on not related to PS.

There is a very good chance that there might be an issue with the edit buffers and how much history they record to allow you to go back and "Undo".
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PhantomDrum

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Thanks for your input. Wow, bizarre! I've never experienced what you describe, but I do have an easy solution for my problem which works maybe half the time. Don't ask how I figured this out! When the keys become unresponsive, tap repeatedly on the Option Key very fast, at least five times. (I just do it a whole bunch of times.) If you're lucky, the keys will then respond normally again. If it doesn't work, you're stuck with having to reboot.
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Chris Cox

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That sounds a lot like the old accessibility triggers (press shift five times quickly), and probably means it is tied to some system setting or utility program.
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Kawaguchi Masayo

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Hi PhatomDrum,
I had the same issue for years and it always happened when I was using Photoshop. I couldn't get any answers from anybody. 
Now YOU solved my issue! I pressed Option Key ( Mouse Key On or Off) few times and worked! Thank you!
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