how to run the apple hardware test from utility disk for mac os x lion

Run The Apple Hardware Test From Utility Disk Lion Free To Try

And Sidecar, which lets you use iPad as a second Mac display.

Then, if your Mac is running OS X Mavericks 10.9 or later, you can upgrade directly to macOS Catalina.

Click Upgrade Now and follow the onscreen instructions to begin your upgrade.

If upgrading from an earlier release, macOS Catalina requires up to 18.5GB of available storage.

But to help you do it all by yourself, weve gathered our best ideas and solutions below.

It could make a trip to an Apple Store or certified reseller easier knowing youve done all you can to identify and whenever possible, fix the problem yourself saving you downtime and a potentially costly repair.

In newer models, those built after 2013, those same tests are labelled Apple Diagnostics.

Thankfully, if you can run an Apple Diagnostics or Hardware Test, Apple Support suggests this is a way you can restart your Mac, even if it refuses to switch back on through other means.

Once youve got the instructions in front of you, Apple recommends going through the following process to diagnose a hardware problem.

When it is complete, it will present a list of the problems encountered.

In most cases, an Apple specialist or technician may be needed to resolve this issue.

This can fix some of the most common errors, including problems with the logic board and fan.

Again, you have the option of following on-screen instructions to restore the Mac, or re-booting the device using a startup disk, or taking the Mac to a store or Authorized Service Provider.

We recommend storing as much as you can with a cloud provider, such as Dropbox, or Apple iCloud.

Another alternative worth exploring, especially if your Mac is overheating or slowing down, is that your storage is too full of junk, clutter, applications, and duplicate files and photos.

Too many files slow down and overheat computers, making them difficult to use and causing them to crash more often.

With over 4 million downloads and hundreds of positive reviews, we know that CleanMyMac X has carefully removed over 11 million unnecessary apps and over 2.5 billion gigabytes of data clogging up Macs all over the world.

Run The Apple Hardware Test From Utility Disk Lion Free To Try

Once youve run a Hardware Test or Apple Diagnostics, use CleanMyMac X ( its free to try ) to identify and fix any other issues that are causing your Mac to run slowly or overheat.

How To Run The Apple Hardware Test From Utility Disk For Mac Os X Lion