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Old 09-23-2010, 03:02 PM
 
Location: South Park, San Diego
5,110 posts, read 7,831,372 times
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I recently upgraded my 2008 IMac 2.8 GHz by removing the two, 1GB RAM chips with two, 2GB chips and ever since there is a slight humming that was not there before, and a bit more noise upon wake up. The chips were not exactly Mac but were guaranteed to meet all specs. All other aspects of the computer are fine.

Is this new noise (and I can just turn up Radio Paradise a bit more when working to easily drown it out) something that I should be concerned with- having to do with the chips? Or is it possible that I slightly jiggled the internal fan or something else that is making the slight noise now? And then, should I re-install? I must admit this is about as technical of a project I would do with a computer and the whole unplugging and plugging in chips into those tiny slots seems wrought with potential problems if not done perfectly.

Any experience or potential diagnosis would be much appreciated.

Thanks
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Old 09-23-2010, 09:34 PM
 
Location: Coos Bay, Oregon
7,139 posts, read 9,059,875 times
Reputation: 7748
Quote:
Originally Posted by T. Damon View Post
I recently upgraded my 2008 IMac 2.8 GHz by removing the two, 1GB RAM chips with two, 2GB chips and ever since there is a slight humming that was not there before, and a bit more noise upon wake up. The chips were not exactly Mac but were guaranteed to meet all specs. All other aspects of the computer are fine.

Is this new noise (and I can just turn up Radio Paradise a bit more when working to easily drown it out) something that I should be concerned with- having to do with the chips? Or is it possible that I slightly jiggled the internal fan or something else that is making the slight noise now? And then, should I re-install? I must admit this is about as technical of a project I would do with a computer and the whole unplugging and plugging in chips into those tiny slots seems wrought with potential problems if not done perfectly.

Any experience or potential diagnosis would be much appreciated.

Thanks
You might want to try resetting your SMC, and see if it helps. This article explains how.

Intel-based Macs: Resetting the System Management Controller (SMC)
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