I checked by rMBP with an LG screen (based on the script) with this test:
http://www.mitchmalone.name/retina-test/
I run the 10 minute test (below) on my machine, which according to the script has an LG screen, and didn't notice any image retention.
My previous basic 2.3 rMBP had an LG screen and did showed IR on the test. This machine was sold by Mac Mall in December 31st and Apple Care reflects December 8, 2013 as the warranty ending date (now is December 8, 2015 since I purchased Apple Care) so apparently is a late 2012 rMBP production.
I know not every LG shows IR, apparently mine is one of the good ones; if something goes wrong in the near future, I'm covered until 2015.
http://www.mitchmalone.name/retina-test/
I run the 10 minute test (below) on my machine, which according to the script has an LG screen, and didn't notice any image retention.
My previous basic 2.3 rMBP had an LG screen and did showed IR on the test. This machine was sold by Mac Mall in December 31st and Apple Care reflects December 8, 2013 as the warranty ending date (now is December 8, 2015 since I purchased Apple Care) so apparently is a late 2012 rMBP production.
I know not every LG shows IR, apparently mine is one of the good ones; if something goes wrong in the near future, I'm covered until 2015.
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