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MacBook Pro Retina 15 inch - Lagging + Very Slow on Youtube.

M

MacintoshUser101

macrumors member
Original poster
Aug 26, 2015
33
3
Hello. My rMBP Seems to be very slow and lag when i play certain videos from youtube in Safari 9.1.3 and the computer heats up. I am currently running 10.11.6. Can someone please assist?
My MBP Spec is a Mid 2014 15 inch with NVIDIA GT 750m 16GB Ram.
 
MacintoshUser101 said:
Hello. My rMBP Seems to be very slow and lag when i play certain videos from youtube in Safari 9.1.3 and the computer heats up. I am currently running 10.11.6. Can someone please assist?
My MBP Spec is a Mid 2014 15 inch with NVIDIA GT 750m 16GB Ram.
Click to expand...

If you restart your Mac with 'reopen windows when logging back in' disabled/unticked, does the issue persist when you try the same videos?
 
MacintoshUser101 said:
Tried and that doesn't help unfortunately.
Click to expand...

Any videos in particular?

Try download gfxCardStatus: http://gfx.io/downloads/gfxCardStatus-2.3.zip

You won't have to install it -- just run it from the downloads folder. A new icon will appear on the top menu bar. Click that. Try to change the graphics from auto switch to dedicated, and similarly with integrated. Try both iGPU/dGPU, closing & reopening Safari each time. Is there a positive difference when running from either?
 
keysofanxiety said:
Any videos in particular?

Try download gfxCardStatus: http://gfx.io/downloads/gfxCardStatus-2.3.zip

You won't have to install it -- just run it from the downloads folder. A new icon will appear on the top menu bar. Click that. Try to change the graphics from auto switch to dedicated, and similarly with integrated. Try both iGPU/dGPU, closing & reopening Safari each time. Is there a positive difference when running from either?
Click to expand...
Here's an example:
When i open the video then go fullscreen and then back to the normal size view it lags and then i get the beach ball.
 
Re the YouTube video in post 7 above:

I'm on a late-2012 Mac Mini, still running 10.8.5 as I type this.
I played the video, went to full screen "and back" three times, without problems.

Something else is interfering on your setup, I believe.
 
MacintoshUser101 said:
Hello. My rMBP Seems to be very slow and lag when i play certain videos from youtube in Safari 9.1.3 and the computer heats up. I am currently running 10.11.6. Can someone please assist?
My MBP Spec is a Mid 2014 15 inch with NVIDIA GT 750m 16GB Ram.
Click to expand...

Maybe you have something using up a lot of RAM? Whenever I have problems, I just turn it off and on and it seems to work again. But I rarely have problems. I might have had problems only once or twice.
 
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