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Imac i7 dead after installing 4GB of Kingston Valueram

vince82it said:
Don't say so, please. I'm really scared about this now. Return procedures are stuck until Monday... I just hope to have my 2000 euros iMac working on my desk! :'(
anyway, I've added ram modules many times in my life, never had a problem like this. I got Kingston value in my MacBook. I keep thinking my iMac was defective.
Click to expand...
Did you power it up first and create/migrate an account before you installed the RAM?
 
Azrel said:
that's not true, if you had electrostatic charge on you whilst installing the modules it's possible you've damaged the motherboard.

this looks highly suspicious you have infact damaged the iMac. I doubt Apple will pick it up though.
Click to expand...


ive built computers since the 1990s and never had this electrostatic discharge thing. i've never used the special straps and i even felt a small shock when handling some CPU's and RAM chips and nothing ever happened to them.

sounds like an old wive's tale
 
vince82it said:
Hi everybody.

Yesterday morning I finally received my iMac i7. Everything ok, it looked fine and perfect.

After 10 minutes of good working, I've tried to install 2 Kingston Valueram modules I purchased before, the KVR1066D3S7/2G.
After having followed instructions and put everything in the right place, I tried to power up the iMac, but it didn't wake up!!! :(
The computer seemed to receive power (hd spinning as well as fans and dvd) but nothing appeared on the screen and no chime sound.

Already requested my replacement iMac. What I'd like to understand: was my iMac defected? Is it possible that a ram module can burn a computer?
Anyway, I'm intended to try to install my ram on the replacement iMac...
Click to expand...

checked Crucial and that's the right memory. probably a fluke and coincidence that it broke then

i assume you shut it off and unplugged it and not just put it to sleep
 
alent1234 said:
ive built computers since the 1990s and never had this electrostatic discharge thing. i've never used the special straps and i even felt a small shock when handling some CPU's and RAM chips and nothing ever happened to them.

sounds like an old wive's tale
Click to expand...
I've had the same experiences over the years with my hardware and static.
 
vince82it said:
Don't say so, please. I'm really scared about this now. Return procedures are stuck until Monday... I just hope to have my 2000 euros iMac working on my desk! :'(
anyway, I've added ram modules many times in my life, never had a problem like this. I got Kingston value in my MacBook. I keep thinking my iMac was defective.
Click to expand...

Could be, but was it working before you installed the new RAM?

Now, Apple has step-by-step instructions for replacing RAM modules. I remove/install RAM myself, and have never had a problem. You may want to reinstall the original RAM modules before you take the computer to the store. I wonder if the iMac has a reset switch inside?
You may also want to look at Apple Support instructions:
http://support.apple.com/kb/HT3964?viewlocale=en_US
 
next time put your hands on a metal place first. it will discharge static energy. then it's good to go :)
 
Also, leave the computer plugged in, that way it will still be connected to Ground while you're doing it, giving any discharge someplace to go.
 
lamina said:
It may be dishonest, but if they can get away with selling a computer that is zapped that easily, that's ridiculous. I've installed RAM in dozens of computers. It's very likely that OP touched the metal body of the iMac while unscrewing the RAM door. It must have been an issue that was there beforehand.
Click to expand...

Not any easier to zap a Mac than any other computer. Apple tells you how to install and how to avoid this situation. Still put the original ram back in and get a new one from Apple. i doubt it will be an issue.
 
AlaskaMoose said:
Could be, but was it working before you installed the new RAM?

Now, Apple has step-by-step instructions for replacing RAM modules. I remove/install RAM myself, and have never had a problem. You may want to reinstall the original RAM modules before you take the computer to the store. I wonder if the iMac has a reset switch inside?
You may also want to look at Apple Support instructions:
http://support.apple.com/kb/HT3964?viewlocale=en_US
Click to expand...

Thats the wrong link. You want this one.

http://support.apple.com/kb/HT3918

Also is in the owners manual.
 
archurban said:
so mac is a piece of ****. it shouldn't be so sensitive. that's why mac has highly broken rate. how that possible? that's really unlikely. that never happened no matter what I used (even mac). that's why many people go to apple store to fix their macs. my PC laptops (sony vaio) never broke. I think that mac is not tough enough to survive in real world.
Click to expand...

Now you are just ranting and embarrassing yourself with foolish comments.
 
knewsom said:
Also, leave the computer plugged in, that way it will still be connected to Ground while you're doing it, giving any discharge someplace to go.
Click to expand...

DO NOT DO THIS

This is the single worst piece of advice I have seen anyone give in a long time. You must unplug the computer to ensure no electrical charges occur anywhere.

DO NOT DO THIS

Read Apples directions.
 
The odds that adding the kingston memory killed your imac are very low. When you get the replacement machine, run it for a week before you do anything. Usually most problems show up in the first week or two of using the machine. Just using it and not upgrading it right away will give you confidence that you got a good replacement machine.
 
xlii said:
The odds that adding the kingston memory killed your imac are very low. When you get the replacement machine, run it for a week before you do anything. Usually most problems show up in the first week or two of using the machine. Just using it and not upgrading it right away will give you confidence that you got a good replacement machine.
Click to expand...

I managed to kill my iMac G5 years ago with dodgy cheap RAM.

Apple took the machine and replaced the logic board free of charge.

I then bought decent RAM and the machine was fine.

Infact, the machine has run great ever since (still in use today).
 
i do a lot of work on poker machines (slot machines i believe they are called in the US). all of them today are run on flash RAM with a specially made logic board, which is basically a flash chip with RAM, cooling fans and two batteries. always touch the metal side of the machine before even going near the board. before this job I worked on PCs, never zapped and killed a machine in all the years of my job. (spilt solder onto a motherboard once, but thats another story ;P) i'm guessing you had a machine on the way out and was very, very unlucky. the only time I ever used a static strap was for really important jobs where I would be murdered if i stuffed something up...
 
Thank you all for your support.
Al last, I can say that I followed Apple procedure (unplugging, inserting modules, resetting PRAM,...) and that I touched the iMac case before doing that. I can't think that Kingston Valueram can zap a computer, so I'm sure that my iMac was defective.
Anyway, I'm going to sell my ram and to buy new Apple certified ram when my replacement iMac will be here. :)
 
DarwinOSX said:
DO NOT DO THIS

This is the single worst piece of advice I have seen anyone give in a long time. You must unplug the computer to ensure no electrical charges occur anywhere.

DO NOT DO THIS

Read Apples directions.
Click to expand...

Actually in the UK, where most electrical sockets are switched I would absolutely recommend leaving it plugged in as long as the socket is switched off. This leaves the neutral (cold) and earth (ground) connected (no power there) and leaves the live (hot/phase) open circuit.
 
I've just installed the same two modules of Kingston ValueRam in my new replacement iMac (week 02). Everything works flawlessly, for a total amount of 8GB.
So, I really suppose now that previous iMac (week 50) was defective.
Thanks for your support!
 
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