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IMac 2Ghs Intel w/OSX 10.8.6. Slow performance...particularly with internet. Where do I start?

I have an IMac 2Ghz Intel w/OS X 10.6.8. It has slow performanace particularly with internet. How do I address it?

iMac, Mac OS X (10.6.8)

Posted on Jan 20, 2013 5:20 PM

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16 replies

Jan 20, 2013 5:38 PM in response to a brody

I'm an occasional user. Nothing sofisticated. I just don't know what approach to take. I admit, its worse since I added Snow Leopard. My internet is very slow and I get kicked out "Safari can't find the server" too often. I have a PC I use for work and internet is fine. Is there some troubleshooting I should perform before I go adding memory?

Jan 20, 2013 6:01 PM in response to ty4xyz

That can be a problem. Unless the router is rated for 10.6.8 compatibility with its firmware and you are using a minimum of WPA2 security, either the router can be too insecure and have outside traffic intruding on your access or the iMac may not recognize the router. The firmware will likely have to be updated on the PC side. And if you have any filtering setup on the router, that could cause problems too.

Jan 20, 2013 6:27 PM in response to ty4xyz

Well, DSL can be slow; and you are presumably forced into using their equipment?


Interesting - I went to the Netgear support site for your model and was greeted with:


Wi-Fi issues with iOS 6
There have been widespread reports of wireless connection and speed problems with devices using...


on this page:


http://support.netgear.com/product/DGN2000


Don't know if that would also apply to Mac OS, but it might. Read through that entire page including the firmware updates and what they are compatible with.

Jan 21, 2013 6:28 PM in response to babowa

OK...I know is might seem stange, but here is what I have uncovered:


1. I tried another wireless network(my sister next door) to rule out some things. The page loading was slow, but I did not experience the "safari can't find page" which I know is some conf between the router and the modem because I get the error instant on mouse click.

2. When I went to open one of the links from your source above same problem...but I found if I open in new window(not new tab) the page loads. If I just click and/or open in new tab I get an instant "safafi can't find server".

3. So...somewhere in all the noise I found a tread that suggested I change the DNS setting in network preferences to an OPEN DNS (previous it was the router). So I did and it seemed to improve the page loading dramatically and "safari can't find server" is no longer. On a hunch I went and put back the original router number for the DNS setting and to my surprise it is still improved.


Does it make any sense???

IMac 2Ghs Intel w/OSX 10.8.6. Slow performance...particularly with internet. Where do I start?

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