Crucial 8gb upgrade not working

I recently bought an crucial 8gb memory upgrade kit for my MacBook pro (mid 2010) running mountain lion. The laptop won't boot and crashed quickly after the first boot logo showing a launchd kernel panic. Both dimms work individually, but not together. A combination of 2 and 4gb won't boot either. So all combinations resulting in 4gb work, anything over that freezes. Any suggestions what might be wrong?

Run an Apple hardware test with one of the 4Gb chips inserted and see if that develops any useful information.
You might also post the crash report. I am not very good at deciphering them but there others who are and may look at this post.
Ciao.

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Just had this issue. I turned WIFI off and it connected fine. Then turned WIFI back on and working as always.
It had something to do with the WIFI conflicting with the exchange server.

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RAM upgrades not working

Hi all,
I've been wanting to upgrade the two 512 M DIMMS that came with my PowerBook to a pair of 1 G DIMMS.
I purchased a pair of DIMMs from a retailer I found in MacWorld (A1A Computing) and when I tried calling them after my computer kept crashing, it took way too long for them to refer to it as "Customer Service". Ultimately, after contact and returning the pair, they sent a new pair but the wrong type.
After several more interminable attempts to reach them, I finally did and they were reluctant (to put it nicely) to help. I told them I wanted a refund and had to go through VISA to get it. This is not an honorable dealer.
Next, I went to OWC (nice folks) and the first pair they sent didn't work either - crashes, freezes, etc.
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Before returning them to OWC (and resigning myself to having only the original 1 G RAM in my machine), does anyone have any suggestions? Has anyone seen the top slot issue I've described?
(Funny that there is no problem at all with the original RAM.)
Thanks in advance for any light anyone can shed on this one.
Best regards,
Barry
<Edited by Moderator>

While just about all Powerbooks are sensitive to the quality of RAM used, the earlier Powerbooks seem to be a little more sensitive than others. While some RAM may meet the printed specs, it may not work with Apple's architecture. The issue is memory bus slewing, where power to the memory bus is modulated to reduce heat and conserve battery power.
When it comes to memory for a finicky Powerbook, I'd recommend Crucial, as they guarantee their memory will work when selected from their memory selector at http://www.crucial.com . You can usually also find a 5% to 10% off coupon on the internet (search for 'crucial coupon'). I've used Crucial (also makes Micron memory) for years with no issues.
Samsung and Kingston (not the Kingston valueram line, though) also typically work well. I've also used these brands in later Powerbooks with no issues.
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16 GB ram upgrade not working

I have an iMac 3.33 GHz Intel Core 2 Duo (late 2009 model) I purchased 4 x 4GB 1333 ram chips to upgrade to 16GB. All four chips simultaneously do not work. The screen stays black and it beeps endlessly with a pause every 6 seconds. However, if I put any two of the four chips in (= 8GB) the computer boots fine. If I use any two of the four plus the two 2GB original chips (=12GB) computer boots fine. I have tried every combination with the help of the “support line” of the company I bought them from.
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Thanks, Tim

There have been many discussions on this subject; you might want to read these (lengthy!!):
https://discussions.apple.com/thread/2567907
https://discussions.apple.com/thread/2588800
The short version is: If going with OEM RAM, 16 GB appears fine. When going with third party RAM and 16 GB - problems; however, third party RAM and a total of 12 GB work. That's what I got on mine.
However, you added another wrinkle to the whole thing: I would always stay with the exact specs that Apple publishes for a particular model; I wouldn't care what I'm told by someone else. And, yes, it'll drop the speed - that's because it wasn't made to address the extra speed.
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Flash Player 10.2.153.1 upgrade not working on 64bit Intel-Mac in Safari 5.0.4

I feel robbed! I want to use my Safari.
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So the Shockwave Flash plugin in FF is Installed and Enabled. That's why Flash Player is working and why you were able to see the Flash Player logo animation. On the other hand, evidently the Shockwave Flash plugin is either not Installed in Safari or if it is it is Disabled. And that is why it's not working and you can't see the Flash Player logo.
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With Safari on either of the test sites, no Flash Player version was displayed?
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What version of iPhot do you ave hat is gving you this message?
You say
am trying to upgrade the iPhoto library to transfer it to my new MacBook Air.
Instead move the libray to the MBA and upgrade it there using the version of iPhotot that is there - you can not upgrade it on the old system with the old version of iPhoto
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From the link I provided in my first reply:
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Cheers.

Which would seem to suggest that you may (unusually) have a doubtful memory module. Less unusually, you would have paid over the top for it.
Many people on these forums speak well of the following suppliers.
In North America contact OWC … Upgrade Apple iMac Memory
In Europe contact Crucial.com … RAM Memory Upgrade
Both companies have facilities to guide you and will recommend the correct memory package to meet whatever needs you describe to them.
There may be benefits buying from your own geographical location insofar as Shipping charges, Local sales taxes and Exchange rates. Check out the basic memory costs and do your sums next time you buy.

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