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Installed RAM . iMac restarts

S

soamz

macrumors 6502a
Original poster
Jun 20, 2010
699
7
Orissa, India
Hi, I have a iMac 27 , Mid 2010.

Right now, it has 2GB x 4 slots = Total 8GB installed.

I wanted to make it 16GB, so got 2 8GB kits from Crucial,
http://www.amazon.com/Crucial-PC3-12800-204-Pin-Modules-CT2C8G3S160BM/dp/B008LTBJFW/

Then just took out all of my 2GB RAMs and placed in 2 8GB in two slots. Kept other 2 slots vacant.

Now when I start, the iMac gets to the desktop screen , and then restarts . Whats going on ?
 
maflynn

maflynn

macrumors Haswell
May 3, 2009
73,485
43,410
I'd hazard a guess the memory you installed is defective or not seated properly.

Did you try putting the old memory back in to see if the issue persists?
 
S

soamz

macrumors 6502a
Original poster
Jun 20, 2010
699
7
Orissa, India
maflynn said:
I'd hazard a guess the memory you installed is defective or not seated properly.

Did you try putting the old memory back in to see if the issue persists?
Click to expand...

Just placed back the old 2GB ones and the imac is back in action.

Guys, is there a limit from Apple that it wont support 8GB RAM in one slot ?

Mine is 1600 SO DIMM one.

Yes pa

justperry said:
Reset SMC first, see if that helps.

Resetting the System Management Controller - Support - Apple
Click to expand...

Not sure, how to do that. After I installed, I restarted and the mac started off. After staying 1 min on the main home screen, it restarted with a error panic screen.
 
S

soamz

macrumors 6502a
Original poster
Jun 20, 2010
699
7
Orissa, India
Ah bad, it only supports upto 4GB for a slot.

Complete wastage of money now. I cant even return those RAMs . Damn it Apple. Stupid limitations.
 
R

RUGERMAN

macrumors regular
Jun 12, 2010
242
26
Memory limitation?

soamz said:
Ah bad, it only supports upto 4GB for a slot.

Complete wastage of money now. I cant even return those RAMs . Damn it Apple. Stupid limitations.
Click to expand...

HUH? Maybe you should have done just a little research first. I always thought that might be a good idea.
 
L

lixuelai

macrumors 6502a
Oct 29, 2008
958
327
soamz said:
Ah bad, it only supports upto 4GB for a slot.

Complete wastage of money now. I cant even return those RAMs . Damn it Apple. Stupid limitations.
Click to expand...

It is funny that you didnt research prior to the upgrade and nor did you research after you had problems. Your iMac can use 8GB sticks.
 
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