HT203987: Stop pop-up ads in Safari
Learn about Stop pop-up ads in Safari
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All replies
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Helpful answers
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Jul 27, 2016 1:56 PM in response to wienberg1by dominic23,Click in the menu bar and choose “Force Quit”.
Select Safari and click “Force Quit at the bottom of the Force Quit window.
Hold the Shift key down and launch Safari.
Reset PRAM/NVRAM.
https://support.apple.com/en-us/HT204063
Startup in Safe Mode.
https://support.apple.com/en-us/HT201262
If this doesn’t help, please contact Apple.
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Jul 27, 2016 8:21 PM in response to wienberg1by leroydouglas,You did not say what specific Mac model and year for clarrity.
Sounds like a GPU hardware issue, cable or cable connection. Could be LED/LCD.
Maybe you fit here: https://www.apple.com/support/macbookpro-videoissues/
In or out of warranty you can get a free over the counter 'Apple Service Diagnostics' test and ask specifically for the VST (Video Systems Test)
Genius reservation http://www.apple.com/retail/geniusbar/
on-line https://getsupport.apple.com/GetproductgroupList.action
check warranty https://selfsolve.apple.com/agreementWarrantyDynamic.do