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BTR

1514 posts

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  # 1800878 14-Jun-2017 11:53
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Your issue is the age of your hardware. Running 10.10 or above on a machine that only has a Core 2 duo processor and a standard HDD. OS X 10.9 and above was designed to run off SSD drives. 

 

 

 

The machine you have is right at the minimum specs to be running that OS hence why its slow. If you downgrade to OS to 10.6 or 10.7 you will find a massive improvement on speed.




321 posts

Ultimate Geek


  # 1800973 14-Jun-2017 16:37
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Just before i upgrade my ram. i have a doubt.

 

according to this page - https://support.apple.com/en-us/HT201191

 

My iMac can have 16Gb max.

 

does that mean, i can only install 2gb and 4gb rams and not use 8gb & 16gb ?

 

As i already have 2x 2gb of 1067 MHz DDR3





I Eat Dumbbells for Breakfast


 
 
 
 


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  # 1800974 14-Jun-2017 16:42
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KillerHulk:

 

Just before i upgrade my ram. i have a doubt.

 

according to this page - https://support.apple.com/en-us/HT201191

 

My iMac can have 16Gb max.

 

does that mean, i can only install 2gb and 4gb rams and not use 8gb & 16gb ?

 

As i already have 2x 2gb of 1067 MHz DDR3

 

 

Perhaps check to see if that ram type is still available to purchase. You might find its horrendous in price.





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Mr Snotty
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  # 1800976 14-Jun-2017 16:43
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Always match your ram. From memory the iMac 27" has 4 slots so either do 2x 8gb or 4x 4gb to reach 16gb of ram. If you have unmatched sticks then you'll likely slow things down.






321 posts

Ultimate Geek


  # 1800978 14-Jun-2017 16:50
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BTR:

 

Your issue is the age of your hardware. Running 10.10 or above on a machine that only has a Core 2 duo processor and a standard HDD. OS X 10.9 and above was designed to run off SSD drives. 

 

 

 

The machine you have is right at the minimum specs to be running that OS hence why its slow. If you downgrade to OS to 10.6 or 10.7 you will find a massive improvement on speed.

 

 

Ah that explains !!!

 

coz last week i got an update on my OS and thats when all the slowdowns started.

 

So is it gonna be Upgrading ram or downgrade os ?





I Eat Dumbbells for Breakfast


929 posts

Ultimate Geek

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  # 1800980 14-Jun-2017 16:52
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michaelmurfy: Always match your ram. From memory the iMac 27" has 4 slots so either do 2x 8gb or 4x 4gb to reach 16gb of ram. If you have unmatched sticks then you'll likely slow things down.

 

Don't buy from Apple as their prices are shocking expensive usually 80% markup.Try these two sites:

 

mac.upgradeable.co.nz

 

macram.co.nz





iMac 27" (late 2013), Airport Time Capsule + Airport Express, iPhone7, iPad6, iPad Mini2

 

Panasonic Blu-ray PVR DMR-BWT835 + Panasonic Viera TH-L50E6Z, Chromecast Ultra, Yamaha AVR RX-V1085


4028 posts

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  # 1801001 14-Jun-2017 17:08
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KillerHulk:

 

BTR:

 

Your issue is the age of your hardware. Running 10.10 or above on a machine that only has a Core 2 duo processor and a standard HDD. OS X 10.9 and above was designed to run off SSD drives. 

 

 

 

The machine you have is right at the minimum specs to be running that OS hence why its slow. If you downgrade to OS to 10.6 or 10.7 you will find a massive improvement on speed.

 

 

Ah that explains !!!

 

coz last week i got an update on my OS and thats when all the slowdowns started.

 

So is it gonna be Upgrading ram or downgrade os ?

 

Even with more RAM its still gonna struggle,

 

Also downgrading to an earlier OSX can also break a whole lot of apps (looking at you iTunes and others) that may have also been updated...- tread carefully...


 
 
 
 


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  # 1801205 15-Jun-2017 07:04
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It is never going to be a rocket however adding more RAM will certainly help and maybe rolling back a couple of OSX versions may extend it's useful life.




Mike
Retired IT Manager. 
The views stated in my posts are my personal views and not that of any other organisation.

 

The is no planet B

 

 


BTR

1514 posts

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  # 1801254 15-Jun-2017 08:23
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By suggesting you downgrade I mean backup your data and erase that HDD installing an earlier version of operating system. 4GB of ram is fine for earlier versions of Mac OS.

 

 

 

Good luck!


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  # 1801262 15-Jun-2017 09:20
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BTR:

 

By suggesting you downgrade I mean backup your data and erase that HDD installing an earlier version of operating system. 4GB of ram is fine for earlier versions of Mac OS.

 

 

 

Good luck!

 

 

 

 

I had the model iMac in question, my son just gave it away recently, while it worked with 4GB of RAM it certainly did not work well especially considering spinner HDD. I added 4GB of RAM and it certainly performed considerably better. Adding RAM will be the cheapest quickest (two screws) upgrade that could be done.





Mike
Retired IT Manager. 
The views stated in my posts are my personal views and not that of any other organisation.

 

The is no planet B

 

 


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  # 1801350 15-Jun-2017 11:07
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Make sure you check if your iMac supports 4gb modules in each slot. Some of the Apple devices in the past were limited in their maximum memory support. EveryMac should be able to help http://www.everymac.com



321 posts

Ultimate Geek


  # 1801417 15-Jun-2017 11:35
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update

 

i had a chat with my company head.

 

He just called a apple service person to check my mac on Monday...

 

Lets see what can be done..

 

Upgrading to the latest system is what i am looking for...





I Eat Dumbbells for Breakfast




321 posts

Ultimate Geek


  # 1801420 15-Jun-2017 11:42
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michaelmurfy: Always match your ram. From memory the iMac 27" has 4 slots so either do 2x 8gb or 4x 4gb to reach 16gb of ram. If you have unmatched sticks then you'll likely slow things down.

 

You know what would i have done if i had just done it myself...

 

as i already have 2x 2gb, i would buy 1x 8gb & 1x 4gb = 16 GB (ta da)

 

No that i know (thanks to you guys) i wont do that...





I Eat Dumbbells for Breakfast




321 posts

Ultimate Geek


  # 1801556 15-Jun-2017 14:12
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Is this good ?

 

https://www.pbtech.co.nz/product/WKAAPP4720144/Apple-27-iMac-CTO-5K-Display-Intel-Quad-i7-40GHz

 

will even add extra ram just to max it out..





I Eat Dumbbells for Breakfast


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Master Geek

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  # 1801572 15-Jun-2017 14:41
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KillerHulk:

 

Is this good ?

 

https://www.pbtech.co.nz/product/WKAAPP4720144/Apple-27-iMac-CTO-5K-Display-Intel-Quad-i7-40GHz

 

will even add extra ram just to max it out..

 

 

 

 

That's the old model - show's out of stock...

 

What about this, from the Apple store?

 

https://www.apple.com/nz/shop/buy-mac/imac?product=MNE92X/A&step=config#

 

 

 

 


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