iMac Repair and Upgrades Sydney: Intel iMacs 2009–2020

Plenty of Intel iMacs made between 2009 and 2020 are still worth repairing or upgrading rather than replacing, provided you want to keep the machine and the rest of it is sound. An SSD from $599 cures the slowness that makes people give up on them, RAM upgrades start from $329, and many of the models Apple has dropped can run a newer macOS from $249. A new 24-inch M4 iMac is $2,399, and its screen is smaller than any 27-inch model's.

We do this work at our workshop near Castle Hill, for owners across the Hills District and Western Sydney. The complication is that every generation of Intel iMac is built differently. On some, the RAM goes in through a door on the back. On others the glued display has to come off first, and on a few the RAM is soldered and cannot be changed at all. The 2020 model has no replaceable storage. Choose your model below to see what applies to yours before you spend anything.

What can your iMac do?

Pick the screen size, then the year. If you are not sure of the year, open the Apple menu and choose About This Mac: the year is part of the model name, for example “iMac (Retina 5K, 27-inch, 2017)”.

Every Intel iMac at a glance

The same information in one table. “Display off” means the glued screen has to be removed to reach the part, which is why those jobs cost more.

Why an Intel iMac is still worth keeping

Apple has finished with Intel. macOS Tahoe 26 is the last version for Intel Macs, and macOS 27, released on 14 September 2026, runs only on Apple silicon. Of all the Intel iMacs, only the 2020 27-inch was ever supported on Tahoe. That sounds like the end of the road, but the day-to-day picture is different:

• The slowness is usually the drive, not the processor. A hard drive or Fusion Drive is what makes these iMacs feel slow, and it is the cheapest part to replace.
• The 27-inch screens are still excellent. A 27-inch 5K iMac has a 5120 × 2880 panel. Apple's Studio Display costs $2,599 on its own.
• Software limits matter more than Apple's support list. Chrome now needs Ventura, Microsoft 365 updates need Sonoma, and current Adobe Creative Cloud apps need Sonoma or later. The patcher can take many older iMacs to Sequoia, which clears all three, with trade-offs our newer macOS page spells out.

Apple does not publish end dates for security fixes. On its usual pattern, Sequoia should keep getting them until about September 2027, and Tahoe for longer. Plan on that timescale. Spending up to half the price of a new iMac to give a sound machine another two or three years can make sense if you like it; spending the same on a machine you will replace next year does not.

What the numbers look like

Private values below are Sydney and national Gumtree asking prices for working units in September 2026.

Resale value is not the whole story, but at these prices it needs weighing. The 5K 2017 job costs more than twice what the machine would sell for, yet about half the price of a new M4 iMac, and you keep a 27-inch 5K screen. That is a fair trade if you like the machine. A 27-inch Late 2013 is harder to justify, because the work, from $848, costs nearly four times its value: do it only if you want to keep that particular iMac, and otherwise consider a used 5K 2017 or 2019 with an SSD fitted. What we will not do is recommend a screen from $1,099 for a machine worth $400.

When we will tell you not to bother

• A 5K screen on a 2014, 2015 or 2017 27-inch. It starts from $1,099, more than twice what the iMac would sell for.
• Logic board replacement (from $699) on a 2009 to 2013 model, which sells for $60 to $350 working.
• An SSD in a 2009–2011 model, unless you value that machine for its own sake. Starting from $599, it costs several times what a working 27-inch 2011 sells for.
• More RAM for a 21.5-inch Mid 2014 or Late 2015. It is soldered, and nobody can add to it.
• An internal SSD for a 2020 27-inch. The storage is soldered to the board, so external Thunderbolt storage is the answer.
• A newer macOS for anyone who needs full vendor support. A patched iMac runs with some of macOS's security protections lowered, and neither Apple nor the patcher's developers support it.

If a job is not worth doing, you hear that on the phone, before you drive anywhere.

iMac services and starting prices

Prices are in Australian dollars including GST, and each is the starting price for the usual version of the job. The phone quote is free and gives you the figure for your model. Every repair carries 12 months' warranty on parts and labour. Our guide to what iMac repairs cost explains each price and how it compares.

Call 0400 454 859

Guides to each model

• iMac 2009–2011, 21.5-inch and 27-inch: the last models with a separate front glass and a RAM door underneath
• 27-inch iMac, Late 2012 and Late 2013: the first slim 27-inch models, their hinge weakness and the blade SSD difference between the two years
• 21.5-inch iMac, 2012 to 2014: RAM behind the logic board, and soldered on the 2014
• 21.5-inch iMac, 2015 to 2019: soldered RAM in 2015, slots again in 2017 and 2019
• 27-inch 5K iMac, 2014 to 2017: superb screens on machines now worth $400 to $500
• 27-inch 5K iMac, 2019 and 2020: the two Intel iMacs still on a supported macOS

When something has gone wrong

• iMac will not turn on: checks to do at home first, and what power supply and board faults look like
• iMac running slow: how to tell a failing drive from a full one or an overheating one
• Repair or replace an old iMac: the decision, generation by generation
• Logic board, graphics and power supply repair: component-level work on the faults that stop an iMac starting
• Screen and glass replacement: cracked glass, lines, dead backlights and dust behind the glass

How to identify your iMac

• If it starts: choose About This Mac from the Apple menu. The model name includes the screen size and the year.
• For the Model Identifier, such as iMac18,3: hold Option, open the Apple menu and choose System Information. It is listed under Hardware Overview.
• If it will not start: the serial number is printed on the underside of the stand. Enter it at checkcoverage.apple.com to get the exact model.

Bringing your iMac in

iMacs are drop-off only. Ring 0400 454 859 first: the quote is free, upgrades can usually be priced on the phone, and we give you the workshop details then. We are open 8am to 6pm, Monday to Saturday. SSD and RAM work usually takes one to two business days when parts are in stock, and for other repairs you get a timeframe with the quote. Nothing beyond the quote is done without a call to you.

The workshop is in the Hills District, near Castle Hill. If you are coming from further out, our iMac repair page for Western Sydney lists the Western Sydney suburbs we serve, with drive times from Parramatta, Blacktown, Penrith and Liverpool, and how to carry an iMac safely in the car.

Hills District suburbs we serve

• Castle Hill and Baulkham Hills: Castle Hill, Baulkham Hills, Bella Vista, Norwest, Winston Hills, Northmead, North Rocks and Carlingford.
• Kellyville and Rouse Hill: Kellyville, North Kellyville, Rouse Hill, Beaumont Hills, Kellyville Ridge, Stanhope Gardens, Glenwood, Box Hill and Gables.
• Cherrybrook and West Pennant Hills: Cherrybrook, West Pennant Hills, Pennant Hills, Beecroft and Epping.
• Dural and the rural Hills: Dural, Middle Dural, Glenhaven, Kenthurst, Annangrove, Glenorie, Galston, Arcadia, Maraylya, Oakville and Nelson.

Apple silicon iMacs

This page is about Intel iMacs, because that is where repairs and upgrades make the most difference. We also look at Apple silicon iMacs from 2021 on. Their memory and storage cannot be upgraded after purchase, but screen and board faults can be quoted. Ring us with the model and the fault, or see our Mac repairs page for MacBooks and other Macs.

Questions

Is it worth repairing an old iMac?

Often, when the job is an SSD, RAM or newer macOS and you want to keep an otherwise sound machine. Those jobs start from $249, or from $1,177 for all three, which can exceed the iMac's resale value but is well under a new M4 iMac at $2,399. A 5K screen on a 2014 to 2017 model, or a logic board on a 2009 to 2013 one, usually costs far more than the machine would fetch. We tell you which applies before you bring it in.

Is a 10 year old iMac obsolete?

Not by itself. A Late 2015 iMac with an SSD still handles browsing, email, documents and photos. What ages it is software: Apple stopped the Late 2015 models at Monterey, which means no current Chrome and no Microsoft 365 updates. The patcher can take it to Sequoia, which clears those limits, at the cost of some lowered security protections and features that do not work.

How long do iMacs last?

There is no fixed lifespan. The parts that wear out are the hard drive, the fans and thermal paste, and on older models the power supply and graphics card. Once the hard drive is replaced with an SSD, many Intel iMacs keep working well past ten years. In practice the limit is usually software support rather than the hardware itself.

Can I use my old iMac as a monitor?

Only some models, through Apple's Target Display Mode: 27-inch iMacs from 2009 and 2010, and any iMac from 2011, 2012, 2013 or Mid 2014, while the iMac runs High Sierra 10.13.6 or earlier. The computer you connect has to be a Mac from 2019 or earlier running Catalina or earlier. No Retina 4K or 5K iMac supports it, and neither do the 21.5-inch 2009 and 2010 models.

Do you pick up iMacs or repair them on site?

No. iMacs are repaired at our workshop near Castle Hill, and you drop them off and collect them. Ring first so we can quote the job and give you the drop-off details. For the drive, lay the iMac flat with the screen facing down on a folded blanket, rather than standing it up on the seat.

Which Intel iMac is the best one to upgrade?

The 27-inch 5K from 2017 or 2019. Both have a RAM door on the back, a PCIe blade slot for a fast SSD and a screen worth keeping. The 2017 needs the patcher for newer macOS but has native graphics under it, while the 2019 already runs Sequoia. The 2020 is the most capable of all, but its internal storage cannot be upgraded.