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Well I bought Memorex DL DVD +R blanks and the DL SuperDrive in my Dual Core PowerMac G5 spits them right back out. Wasted $10! Don't buy Memorex DL DVDs. Strange thing is that I have Memorex blank DVDs and they work fine, just not the DL DVDs.
 
Well I bought Memorex DL DVD +R blanks and the DL SuperDrive in my Dual Core PowerMac G5 spits them right back out. Wasted $10! Don't buy Memorex DL DVDs. Strange thing is that I have Memorex blank DVDs and they work fine, just not the DL DVDs.

Well, I got the Memorex DL DVD+R blanks and they work with my MBP C2D.

Ofcourse, it is a well known issue that MBP superdrives are very picky when it comes to certain media types.

I had an issue with not being able to burn the DL DVDs when running on battery power. When I switched back to a/c power, I could burn the Memorex DLs without any issue.
 
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