8770w - 32GB RAM upgrade issues

Hi there, I just upgraded my RAM memory on my 8770w from 16GB to 32GB using corsair Vengeance CMSX16GX3M2B2133C11 and was really hard to my laptop to recognize the whole memory and when it got it. after several minutes i always get the bluescreen with different kind of errors... i already used the HP PC Hardware Diagnostics UEFI and the RAM memory is good. and i already updated the BIOS. but the same result.
Any help please?
I'll really appreciate
Thanks

Hi,
Definitely compatibility issue. Please use the following site to scan your machine. It will tell you exactly what you need and compare with RAM you bought.
http://www.crucial.com/usa/en/systemscanner
To give better result, please only use the original RAM when scan.
Regards.
BH
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24" iMac (Primo 2009) strange RAM upgrade issue

I have a 24" iMac (Primo 2009) at work. I been granted a RAM upgrade by the IT department and have received 2 indentical 4 GB modules.
The 24" iMac (Primo 2009) uses 1066 MHz DDR3 modules and supports up to 8 GB RAM in 2 slots. I have purchased RAM from this source http://www.dustin.dk/product/5010642132/corsair-4gb-ddr3-1066mhz-1x4gb-so-dimm-i mac-macbook-macpro/#intcmp=searchProvider_SiteSeeker (Corsair Mac Memory so they SHOULD be fine.)
Here's the issue:
I had 2x 2GB modules. I have taken both out.
I have inserted the new 2x 4GB modules but the machine refuses to boot. It gives off 3 beeps-interval-3 beeps-interval (repeats).
I took out one of the 4GB modules from slot B. It boots.
I inserted the one I removed in slot B again so we're back at 8GB. same beeps. No boot.
I switched the 2 4GB modules from slot A+B around. Now beep-interval-beep-interval (repeats) No boot.
I inserted one 4 GB in slot 1, and one of the old 2 GB in slot 2. It boots with 6GB RAM.
I inerted only the one that won't boot when in slot B in slot A, beep-interval-beep-interval (repeats) No boot.
OK - so logical deduction tells me one of the new 4GB RAM modules is defective. No matter what configuration, booting fails with that specific module inserted, though there are different beeps. I also know tha both slots work since the machine works with 6 GB RAM (2+4).
So I called Dustin, and since we're a big customer they sent a new moduel for free. But, I have the same isssue with the new module!! What are the chances I have recived 1 working and 2 defective modules? not big right? So my iMac seems fine with the old 2GB modules and one of the new 4 GB modules, but says no to the 2 other 4GB modules.
YES - I have tried resetting PRAM and SMC to no avail. Any clue?

Switched the 2 modules around, so there's now a 2GB in slot A and a 4 GB in slot B. Still works fine
Model Name:
iMac
Model Identifier:
iMac9,1
Processor Name:
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Ram upgrade issues - am i really this dumb?

I just purchased a pair of ram modules, tried installing them several times - different slots etc, but they are not recognized - I'm pretty sure they're the right type, but maybe I'm mistaken. Any help would be appreciated - I'm banging my head against the wall on this one. A ram upgrade should be a no brainer no?
Anyway the ram i bought is 2x 1gb ddr2-533 dimm 4200.
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You've posted in the Mac Pro forum. Are you asking about RAM for a G5 Quad or for a Mac Pro?
G5 Quad: 240 pin DDR2 533 MHz PC2-4200 ECC or NECC SDRAM
Mac Pro: 240 pin DDR2 667 MHz PC2-5300 ECC (FB - fully buffered) DIMM and should have an Apple approved or equivalent heat sink.
Both machines require RAM be installed in pairs. For best performance in the Mac Pro RAM should be installed in quads.
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Early 2008 24" imac ram upgrade issues

Hi everyone. Hope you guys can help diagnose a problem I have with my imac.
It's an early 2008 24" imac with 3.06 Ghz processor and an NVIDIA Geforce 8800 GS 512 graphics card.
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I'm not sure if these are related but a few weeks ago I noticed that the brightness would randomly change from normal to half-brightness then back to normal. These would change every few minutes or so and isn't dependent on what programmes I have running.
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Hello,
Have you blown the dust out lately?
Get Temperature Monitor to see if it's heat related...
http://www.macupdate.com/info.php/id/12381/temperature-monitor
iStat Menus...
http://bjango.com/mac/istatmenus/
And/or iStat Pro...
http://www.islayer.com/apps/istatpro/
EDIT: you won't find iStat Pro at BDAqua's link any longer. (No longer supported by the developer, and not completely compatible with Mountain Lion, but most of its features should still be working.) It's here
https://www.apple.com/downloads/dashboard/status/istatpro.html
Do you have a link to the exact RAM you bought?
That grapics card is known to be a problem, but the brightness issue seems more like the Backlight or Inverter.

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Okay, I will try this out. Previously I had done something similar to that which you suggested, which leads me to think that the RAM possibly could've been mislabeled and I was given 2GB (2x1GB RAM). I took one stick out and booted up the computer and my mac really took its time starting up. When I checked the "About this Mac" section it now said 1GB of RAM. I'll try again with both cards, but it looks like I will be sending them both back for replacements.

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My imac is a 27" mid 2011 model, 3.1Ghz intel core i5 with 4GB stock ram. I use programs like Adobe Premier Pro, After Effects, Photoshop, illustrator, Lightroom4 (pretty much everything on the Adobe Master Suite Collection CS6), Ableton Live, Protools etc. I understand that it IS possible to MAX out at 32GB of RAM.
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Hi Moe, it can indeed hold 32GB...
Standard RAM:
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Maximum RAM:
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Details:
By default, 4 GB of RAM is installed as two 2 GB SO-DIMM modules. Two slots free. *Officially, this model supports four 4 GB modules -- one in each slot for a maximum of 16 GB of memory. However, third-parties have discovered that it actually will support 32 GB of memory using four 8 GB modules. In the US (and many other countries), site sponsor Other World Computing sells memory -- as well as other upgrades -- for this iMac. In Canada, site sponsor The Mac Market sells memory and other upgrades for this iMac. In Australia, site sponsor RamCity sells memory and other upgrades for this iMac. Also see: Actual Max RAM of All G3 & Later Macs.
http://www.everymac.com/systems/apple/imac/specs/imac-core-i5-3.1-27-inch-alumin um-mid-2011-thunderbolt-specs.html
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In the Memory tab of Activity Monitor, are there a lot of Pageouts?

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TL

try a PRAM reset next time you install the memory.
also make sure your system sees it. simply go to  upper left corner, about this mac. it'll tell you how much ram your computer is reading.
Contact that vendor about your issue.

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Thanks
Message was edited by: Meshal

Meshal wrote:
I tried all 4 ram sticks in both slots and even tried switching the ram sticks around. I did clean them though. The computer will only boot up with a new 2gb ram stick and an old 1 gb ram stick. I think its something with the computer rather than the ram sticked themselves.
Yeah I'm with Dennis on this one. It sounds like you are using the wrong memory. Symptoms are similar to what this user had: http://discussions.apple.com/message.jspa?messageID=8230546#8230546
I use Kingston in my imac and they work perfectly fine if you buy the correct ones. Been using them for years.

RAM Upgrade Issues

I recently went through the motions of upgrading my mid-2007 24" iMac from 2gb to 4gb. The problem however is that my computer wont start up with both new sticks, only when one original (1gb) and one new (2gb) are present. Ive tried both bay combinations, and it will start if the 1gb is in either bay, and one 2gb vice versa- however when both bays have 2gb each, I only recieve a blank screen (though I can feel the hard drive spinning).
Is there a solution Im missing?
Thanks,
VM

There are only three possible things wrong:
Incorrect RAM (verify the specifications)
Unseated RAM (remove and reseat per Apple's instructions)
Failed RAM (yes RAM can and does fail)
If you happened to have used Kingston's Value RAM that is probablematic too on your vintage machine. Spend the money and buy higher quality RAM such as OWC (www.macsales.com) or Crucial. While most others sometimes it's not worth trying to save a buck.

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So my macbook pro already has 4 gb of ram, but i always heavily use my electronics, so i wanted to upgrade my ram. I bought the ram, it came in the mail, but when I tried it out, I got stuck on the white boot screen. The circle spinning got stuck.
HOWEVER, when I only used one stick in conjunction with one of the 2 gb sticks, everything works just fine.
Does anyone know whats wrong?
Macbook Pro 13" (mid-2010)
2.4 ghz Core 2 Duo
4 gb ram
250 gb HDD
this is what i purchased:
Click Here

Ah okay, I only bought the mushkin brand because it was little cheaper.
btw I uploaded a video so you can see my problem
http://www.youtube.com/watch?v=HHm3HWMxt60&feature=g-upl&context=G27ac6bfAUAAAAA AAAAA

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hi deljojoseph,
Welcome to Lenovo Community Forums!
Can you try removing the old module, the 2GB.
check if your system will run with just the New RAM.
After that
Try it also with just the old RAM an check.
Let me know your findings
Cheers!
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IMac RAM upgrade issues

I have a 2007 iMac(2.4 Ghz "20 running Snow Leopard) with 1 MB of RAM. I recently purchased 4 MB of Kingston RAM from NewEgg (2 x 2 MB). When I put both 2 MB sticks in the slots, the computer does not start up (it shows the blank screen and you can hear the hard drive whirring, but nothing else). I can only get the computer to start if I have the original 1 MB stick in the left slot and one of 2 MB sticks in the right slot. Is there anything I'm overlooking?
And yes, I did the upgrade properly.

While memory is supposed to be able to run slower than rated, I've always thought it's best to get the memory that is defined for your system. I would return it and get the 667Mhz version. Both OWC and Crucial are also respected sources for mac memory.

RAM upgrade Issue

I am using HP G42-356TU 64 bit I3 Laptop.Right now i have existing 4 Gb ram(2, 2) on each slots and according to my intel board info max ram suppoted is 8 Gb(4 4) on each slot.
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Any specific settings needs to be update.Please through some light here for enhancement.
This question was solved.
View Solution.

Hi Kevin,
Great! I'm glad this helped. Please let me know if it arrives and still not working.
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Issues with sleep/wake feature after 16GB RAM upgrade in my MacBook Pro. Any thoughts?

Just installed a 16GB RAM upgrade in my MacBook Pro and now it doesn't wake up on it's own when I open the lid. I have to press the power button. It works fine with a smaller RAM upgrade.
I've tried putting in just one of the 8GB modules and the sleep/wake feature works as normal so there isn't a problem with the RAM modules that I've bought (Crucial.com). I've also put in a combination of Apple's original RAM and the new ones to make 10GB (8GB + 2GB), and the sleep/wake feature works on that too. Put both 8GB modules back in and the MacBook doesn't wake up when I open the lid, I have to press the power button to wake it up. The MacBook itself works fine, super fast and the memory is recognised on 'About This Mac', the sleep/wake issue is the only problem I'm having with the 16GB RAM.
Any thoughts on this? Has anybody else had this sleep/wake issue like this when upgrading RAM?

I upgraded my early 2011 MBP to 16 gigs with Crucial. My machine would not sleep properly, because when I tried to wake it, it would wake from its hibernate image file. This is the issue I've seen here in this list.
I tried all the suggestions I saw on these groups. Nothing helped. I contacted Crucial, who suggested that if their RAM was defective, they'd replace it per their warranty process. I needed some proof it was their RAM causing the problem.
I put the original 8 gigs RAM back in the machine (2 4 gig sticks), and it behaved normally. I then put one stick of Crucial RAM in, all by itself. The machine behaved normally. I put the other stick of Crucial RAM back in, and took the first one out. The machine would not properly sleep and wake from sleep. This proved that one stick was causing the problem, and the other was not.
Defective RAM!
I then requested and received an RMA from Crucial to send the defective RAM back. They paid shipping. I got new sticks of RAM about a week later. These new sticks of RAM work properly. No sleep issues.
I'm surprised and disappointed to say that this is not the first time I've received defective RAM from Crucial. I've purchased from them for years, and had GREAT service and received high quality products. The past couple years my experience has been different.
I'm still pretty steamed about this, as I spent a great deal of time trying to diagnose the problem and fix it. I don't really have that kind of time to waste. My expectation was that their RAM was high quality, and unlikely to be at fault.
Perhaps this is just a bad batch of RAM. I get that. I can forgive them once. But this has happened twice in the past three years. I'll look elsewhere for my next memory purchase.
Keep in mind that their customer ratings are generally very high. My experience is probably isolated.

Which configuration of iMac 27" ? Fusion drive or not ? RAM upgrade ?

I'd love to get a new 27" iMac for my Mother, but cannot decide if the higher i7 processor (3.5) is worth the price, and cannot decide if the 3TB "Fusion" drive is worth the extra $350.
The retail Apple stores stock the i7 only with the 3TB Fusion drive, the better graphics card, and stock 8GB of RAM, but one can configure the machine if ordering on-line via the link below. Her husband will reimburse me or it will be a gift. Money is not the issue.... just whether or not the money is worth spending.
One last thing: The apple store rep said that the "Geniuses" have to do the RAM upgrade, say from 8GB to 32GB because the 21" unit has to be opened. So the consumer doing the RAM upgrade will void the warranty. Yet I see website indicating that the 21" has a nice convenient door to open and the RAM is user-upgradable without voiding the warranty. Which is true ?
Apple wants to charge $600 (parts and labor) for the RAM upgrade to 32GB. But Crucial has 32MB of this RAM for under $300 with a lifetime warranty. Is there a reason to use the RAM from Apple ?
LINK: http://store.apple.com/us/buy-mac/imac?product=ME089LL/A&step=config

1. 27" iMac with 3.4Ghz i7 and NVIDIA GeForce GT 775M with 2GB video memory is just $200 more than 27" iMac with 3.2Ghz i5 and NVIDIA GeForce GT 755M with 1GB video memory. How much is her time worth per hour? If it's for business use, it pays for itself quickly. Same opinion for the 'build-to-order' upgrades in speed and video available on the 27" i7.
2. Fusion drive is a hybrid combining 128GB SSD with either a 1TB or 3TB rotating platter hard drive.
Analysis and review of Fusion drive in a 2012 iMac: http://www.anandtech.com/show/6679/a-month-with-apples-fusion-drive
Conclusions and performance are on pages 5 and 6 of the review.
3. 27" iMac RAM is "user-replacable", quoting from the 2013 'Important Product Information' addendum to the manual:
"Do Not Make Repairs Yourself
Your iMac doesn’t have any user-serviceable parts, except for memory, which is user-replaceable in 27-inch models only. Do not attempt to open your iMac. If your iMac needs service, contact an Apple Authorized Service Provider or Apple for service.
If you open your iMac or install items other than memory in 27-inch models, you risk damaging your equipment. Such damage isn’t covered by the limited warranty on your iMac."
quoted from http://manuals.info.apple.com/MANUALS/1000/MA1662/en_US/imac_late2013_ipig.pdf
OWC video of the 27" RAM upgrade installation: http://eshop.macsales.com/installvideos/imac_27inch_late_2012_mem_m/
4. If it's for business, go for the i7 and the video upgrade.
5. I'd do the upgrade myself, purchasing from a reliable vendor of Apple RAM such as crucial.com or macsales.com. I have no experience with the other vendor you mentioned, RAMfinder.com. Factory-installed RAM offers the pricey convenience of having a machine configured by you online and shipped directly to your mother in a few days with no one else needing to be involved. I'd avoid any Apple salesperson who apparently doesn't know the 27" iMac product well enough to give you the truth about user-installable RAM upgrades. OWC (macsales.com) will purchase system-pull original RAM allowing you to recoup a small portion of the cost of the upgrade, though nothing close to the resale price of the RAM.
Message was edited by: kostby

8770w - 32GB RAM upgrade issues

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