Mid-2010 MBP stuck on boot after 8GB RAM upgrade....?

tml81 wrote:

...I made sure I got the right modules. They both are PC3-8500 with speed of 1066MHz - exactly the same as the modules I am replacing these with.

What is going on guys? Am I doing something wrong in the installation process? I've seen youtube videos of people upgrading their RAM and it seems a fairly simple process.

PS: The MacBook boots up fine with 1 x 4GB stick and 1 x 2GB stick..totalling 6GB. But not with both 4GB sticks in the slots...

Since the one 4GB + one 2GB combination works, it means you're using one of the new DIMM's. Does it work with that combination if you try both 4GB DIMM's one at a time? And have you tried each in each slot?

My recommendation may not please you but I would return the RAM to Newegg and order RAM from OWC or Crucial. I also have a 2010 MBP and have been using a 8GB upgrade from OWC with no difficulties. The sad fact is that Macs are very selective about RAM, a phenomenon that has existed for many years. Some brands simply do not work.

What are the results when you install both original RAM chips. Are 4 GBs recognized? When you insert a 2 GB chip and a 6 GB chip, are 6 GBs recognized? You might consider running an App[le Hardware Test with the 6 GB combination.

Ciao.

tml81 wrote:

Hey, what do you by "you're using one of the new DIMM's"?

And yes, I have tried both of the new 4GB sticks with the old 2GB stick and they both work in both of the slots.

I'm really pulling my hair out at this one, it does not make any sense. Over 500 positive reviews with so many positive reviews for the mid-2010 MBP....

And top all of that with I've already lost $11 in shipping for my last refund..and if I have to send this back for another refund there goes another $11.

I meant that the 4GB/2GB combination means that the new DIMMs are being tested individually.

I was just looking at their RMA policy and how it appears you're really dealing with a middle-man rather than the manufacturer in Taipei City. And I'm surprised they charge you for returning defective products at all. I've never heard of G.Skill before, having done business exclusively with Other World Computing at least partially because if there's ever a problem (which is rare), they've emailed me a UPS prepaid label for return shipment.

G.Skill says they offer Tech Support by phone in California. Have you tried calling them?

tml81 wrote:

...Over 500 positive reviews with so many positive reviews for the mid-2010 MBP....

I don't know precisely which DIMM kit you bought but reading through the actual reviews on one G.Skill set for your Mac on the NewEgg website, I saw quite a few "positive" reviews that also talked about DOA.

A good part of the cost of RAM (and other computer components too) is the willingness and ability of the vendor to back up its sales with support since there's no money to be made for the shipping, handling and replacement of defective products. I'd mentioned OWC earlier; I'd discovered a DIMM throwing ECC errors on a Sunday and immediately called their tech support. Not only did they answer, but agreed there was a problem and within 10 minutes, I had the RMA prepaid shipping label via email. I handed the package to UPS on Monday and on Friday the replacement arrived. They made no profit on that exchange but they did make a loyal customer.

FatMac\>MacPro wrote:

A good part of the cost of RAM (and other computer components too) is the willingness and ability of the vendor to back up its sales with support since there's no money to be made for the shipping, handling and replacement of defective products. I'd mentioned OWC earlier; I'd discovered a DIMM throwing ECC errors on a Sunday and immediately called their tech support. Not only did they answer, but agreed there was a problem and within 10 minutes, I had the RMA prepaid shipping label via email. I handed the package to UPS on Monday and on Friday the replacement arrived. They made no profit on that exchange but they did make a loyal customer.

Not necessarily rock bottom prices but a lot of good quality products and the technical staff is first rate. Even the sales staff is savvy about the product line. One of the best if not the best mac friendly vendors on the planet.

Ciao.

It looks good.

Can you purchase direct from Crucial in Canada avoiding Ottawa's surcharges? It might be less expensive.

www.crucial.com/store/listparts.aspx?model=MacBook Pro (15-inch%2C Mid 2010)&Cat=RAM

Ciao.

Hi everyone!!!

I have the same problem as tml81, and i saw this post when searching for some solutions.

My model is exact the same - Macbook Pro mid-2010 and i want to upgrade from 2x2Gb to 2x4Gb

But my question is that i bought this Crucial model you talked about (with mac compatible symbol...and they are 1600MHz DDR3, all the exact spec's i was looking for.

But the computer doesn't boot when i change both memories. It work good if i combine 2Gb + 4Gb... But only black monitor when using 4Gb + 4Gb.

I also noticed that it doesen't boot if i only use one slot with the new 4Gb memory... (and leave other slot empty). So it always needs one of the original memory to have a normal startup..

Tried reset PRAM and also SMC, but the problem stays...

Any help please?

Thanks!

That is NOT the correct spec RAM for that model. You need 1066mHz RAM.