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Member Since: May 22, 2009
Posts: 35
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Mac Specs: iMac 27" 3.4 GHz i7, AMD Radeon HD 6970M 2048 MB, 8 GB Ram running Mac OS X Lion 10.7

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I have just tried upgrading my Flower Power 500 MHz iMac G3 from 256 mb ram to 512 mb. But it just makes a ding and does not boot up. the ram I got is 512MB PC133 RAM from PC memory 512MB PC133 RAM (major brand)-
I have tried with just it in only and it with a 128 mb stick.
The only thing I can see is that it is double sided, and the sticks that were in it are single sided (does that matter?).

Any Ideas please?
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