Very Slow Mac Ventura

My Mac is very slow opening programs and accessing the internet. Any help would be much appreciated.


Thanks, Norm


iMac 21.5″, 13.4

Posted on Apr 8, 2024 07:03 AM

Reply
14 replies

Apr 8, 2024 11:14 AM in response to norm107

Your mac is unfortunately quite slow, in large part due to:


1) Having a very slow 5400rpm hard drive

and

2) Having only 8GB of RAM, which can cause the system to use more swap space on that extremely slow drive.


The easiest way forward, if you plan to keep using this iMac, is to get yourself an external SSD.


You can now get an external 500GB or even 1TB external SSD quite inexpensively.

Install the OS on the SSD and use it to boot your mac.

Use the internal drive as additional storage, if you want - though you may just leave it be, as you don't seem to have a lot of data. Even a small 250GB SSD will do, with the data you have now, but I'd go a little higher.


Apr 8, 2024 02:57 PM in response to norm107

I agree with Luis that the primary reason of your performance drop is the rotational hard drive. It appears to be failing:


Write speed: 62 MB/

Read speed: 49 MB/s


Those are abysmal read and writs speeds.


I use external SSDs without optimal cases for older systems and these types of speeds:



With an optima case those speeds can be doubled or tripled.


If you decide to go that route I suggest you contact Customer Support at OWC (MacSales.com) to see which of their several units they would recommend for your Mac model, work requirements and budget. OWC is considered to the be premier hardware supplier for Macs by most of the experienced contributors here.


Apr 12, 2024 12:53 AM in response to Luis Sequeira1

Luis, 1,000 apologies for the delay in replying.


I was travelling and managed to smash the screen of my laptop. I was reduced to a little tablet with the smallest keyboard known to man.


My gorilla fingers were rendered useless!


It seems I have been conned, then. This iMac is a "reconditioned" model which has obviously NOT been reconditioned.


That's fantastic info, though. Means I don't have to shell out $2000 on another Mac!


I'll get into that and post the results here.


Thanks my friend, very much appreciated!


Norm. (Spain)

Apr 12, 2024 01:01 AM in response to Luis Sequeira1

Good morning Luis, Old Toad,


I've just ordered a 1 TB external SSB as you suggested.


Can you assist me in the correct procedure to take to (as you both advise) "...Install the OS on the SSD and use it to boot your mac..."


My knowledge of what's inside an iMac is about as extensive as my knowledge of what's inside my wife's head.


Both are murky, dangerous places...


Norm.

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Very Slow Mac Ventura

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