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There is an advanced setting in Google Chrome to toggle "hardware acceleration."

On a Mac, I want to be able to choose whether Chrome launches with this option on or off.

Any way to do this? (from the command line or AppleScript)

see: https://www.chromium.org/developers/how-tos/run-chromium-with-flags

and: http://peter.sh/experiments/chromium-command-line-switches/

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    Command line switch --disable-gpu? Disables GPU hardware acceleration. If software renderer is not in place, then the GPU process won't launch – DavidPostill Oct 19 '15 at 19:53
  • I tried /Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --disable-gpu but if I then go into Settings, hardware acceleration is still on. – Dan Oct 20 '15 at 10:07
  • Which version of Chrome are you using? May be related to this bug report Issue 487115: Cannot disable GPU with "--disable-gpu" command line flag anymore, dated May 12, 2015. Marked as WontFix/Status unconfirmed (Oct 9, 2015) – DavidPostill Oct 20 '15 at 10:38
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Your own answer is correct. The only thing is that this only changes the setting for the current execution and does not affect your preferences. I say this because I had issues running chrome with the setting enabled (https://productforums.google.com/forum/#!topic/chrome/7D3P84WKqew;context-place=forum/chrome), and the only way to get around it was to launch using the command yuo provided and then go into settings and disable it.

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For Chrome Canary

/Applications/Google\ Chrome\ Canary.app/Contents/MacOS/Google\ Chrome\ Canary --disable-gpu

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