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Helpful answers
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Aug 16, 2014 11:12 AM in response to Vini22by Linc Davis,Please post a screenshot that shows what you mean. Be careful not to include any private information.
Start a reply to this message. Drag the image file into the editing window to upload it. You can also include text in the reply.
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Aug 17, 2014 7:07 AM in response to Vini22by Linc Davis,★HelpfulSince the artifact doesn't show up in the screenshot, it must be caused by a hardware fault in the graphics subsystem.
Make a "Genius" appointment at an Apple Store, or go to another authorized service provider. You may have to leave the machine there for several days.
Back up all data on the internal drive(s) before you hand over your computer to anyone. There are ways to back up a computer that isn't fully functional—ask if you need guidance.
If privacy is a concern, erase the data partition(s) with the option to write zeros* (do this only if you have at least two complete, independent backups, and you know how to restore to an empty drive from any of them.) Don’t erase the recovery partition, if present.
Keeping your confidential data secure during hardware repair
Apple also recommends that you deauthorize a device in the iTunes Store before having it serviced.
*An SSD doesn't need to be zeroed.
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Aug 18, 2014 9:35 PM in response to Linc Davisby Vini22,★HelpfulThanks.
I ll fix an appointment as soon as I can work without my machine.
Further, this artifact is not showing every time I log on to the system.
Thanks
Vini



