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Apple Desktops Discussion of Apple's desktop machines including Mac Pro, iMac, Power Mac, and mini

Getting corrupt checkerboard like images on my desktop?


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geek71

 
Member Since: May 13, 2011
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I have a Mac Mini 2010 with the latest OS - Maveric. About every 6 months I get corrupt images, described as snowflakes (or checkboard), on my desktop. So when I hover over desktop apps I get these corrupt images. I have been advised to reset the NVRAM which usually does the trick. However, it still occurs every 6 months.

I am using an HD TV monitor. And have also tried replacing the HDMI cable, yet it still occurs.

I am wondering if anyone else is experiencing this and what they did to resolve this issue.

Also, is it normal if this occurs every 6 months or so?

I look forward to hearing from you all.

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chscag

 
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It's certainly not normal to have that happen at any time. It could be something related to the connection which is causing it. What kind of HDMI cables have you been using? Some are better than others. Also it could be the TV itself that's causing the problem but since it occurs every 6 months or so, it can be difficult to track down.
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geek71

 
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Quote:
Originally Posted by chscag View Post
It's certainly not normal to have that happen at any time. It could be something related to the connection which is causing it. What kind of HDMI cables have you been using? Some are better than others. Also it could be the TV itself that's causing the problem but since it occurs every 6 months or so, it can be difficult to track down.
I appreciate your response.

The last time I took it to the Apple Store they told me to try to replace the HDMI cable, which I did, which was about 6 months ago. I didn't have this issue until the other day. They did mention it could be the TV as you said, but really don't want to replace it.

It would be interesting to see if anyone will respond that experienced the same issue.
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