Aht Mac Download

Apple Diagnostics and Apple Hardware Test are tools for diagnosing problems with your computer's internal hardware, such as the logic board, memory, and wire. Apple Hardware Test (AHT) is a useful diagnostic CD made specifically for each Macintosh model, allowing the user to test his computer's components using that disc. They were given with the computer, but as usual, since so many people lose them, they need to be publicly archived. 693-4398-A.dmg: iBook 1.2.4. Power Mac G5 (all except Late 2005), iMac G5, eMac (USB 2), various PowerBook G4, iBook G4, Mac mini. ASD v2.6.3 / 2005-Oct17 (ASD-263) Power Mac G5 (Late 2005), iMac G5, PowerBook G4, iBook G4, Mac mini Last PPC ASD. Download All Apple Hardware Test (AHT) & Apple Service Diagnostic (ASD) disks for Mac.

• Aht Mac Download Torrent
• Aht Mac Download Software
• Aht Mac Download App

1. To access AHT on a computer with a Recovery Partition (including an external one—make sure it's connected), you'll need to press the power button to boot your Mac and then immediately press and hold the D key on your keyboard. Hold D immediately after pressing the power button.
2. Run AHT from bootable USB stick. Download the AHT for your computer model from the list below. Mount the AHT dmg. Let's refer to the mount point as /Volumes/AHT. Erase and mount a USB stick. Let's assume its mounted under /Volumes/USBstick. Copy the AHT to the USB stick and flag it as bootable.

On the one hand Apple now recommends you simply use the disks that came with your Mac on the other hand Apple says 'discs are dead' and removes optical drives from Macs. How crazy is this?
But great hint :-)

Yeah, you're quite correct! Sorry for the mistake.
Somehow I forgot to add that in when writing the hint (or I was using the root account at the time….)
Anyway, yes, sudo must be used. (It would be nice if the original hint could be modified. :))

Fixed it. Thanks for the catch.
-- The esteemed moderator

Had out esteemed smarta$$ looked, he'd have seen that Baltutis below posted the correct command.
If you're gonna call someone out, be smarter.
sudo cp -R /Volumes/[your INSTALL DISK name]/System/Library/CoreServices/.diagnostics /System/Library/CoreServices

If you use the discs that came with your Mac, you can also simply install the 'CPUHelpFiles.mpkg' metapackage, usually on the Applications Install Disc (part of 'Install Bundled Software': select only 'CPU Help Files' and deselect everything else): this will install AHT and also the documentation files for your machine.

I forgot about the CPUHelpFiles package because other utilities in there (such as the processor pref pane seem to be broken now), but that does work if you would prefer not to use terminal.

Well, rather, the 'Processor' preference pane was an optional part of the Developer Tools (up to version 3.x for Snow Leopard), while 'CPUHelpFiles.mpkg' installs only AHT and the machine-specific documentation stuff inside '/Library/Documentation/User Guides And Information': so, it should be quite safe too install, as there are no extra utilities there.

Of course, *to* install (not 'too')..

I'm pretty sure this doesn't work if your boot volume is encrypted. You'd need to create a separate unencrypted boot disk/partition, boot to that, install AHT, then boot into AHT.

On encrypted systems, there is a small booter partition which contains the EFI application that asks for your password, loads the kernel from the booter partition and once the kernel found and unlocked your encrypted volume, system startup continues as usual.
If your system has the recovery system (and most Lion installs should have), it and the booter share a partition after your root volume. diskutil list will confirm there is this hidden partition called 'Recovery HD'. If your system for some reason does not have the recovery system, but you encrypted the root volume, the partition will be named 'Boot OS X'.
Either way, just mount this hidden partition ('diskutil mount Recovery HD' or 'diskutil mount Boot OS X') and then copy the .diagnostics folder to /Volumes/{Recovery HD|Boot OS X}/System/Library/CoreServices.
After that, you can boot to AHT by holding D, like on unencrypted systems.
It is probably a good idea to copy AHT to the Recovery HD, regardless of the encryption status of your root volume, but I haven't tested if the firmware finds AHT there when the partition is not the first HFS+ volume on your primary disk.
Curiously, one can boot the recovery system, but not AHT, when the firmware password is set..

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I just tried doing this, but there isn't enough space on the recovery volume to copy all of the files in the .diagnostics folder. : (

Maybe I'm wrong, but the command should be:
sudo cp -R /Volumes/[your INSTALL disc's name]/System/Library/CoreServices/.diagnostics /System/Library/CoreServices/

You are correct, BT! Slight difference, but then that's what makes things work or not!
SB

FYI, I couldn't get 'D' to work on a 2011 MacBook Air. My drive is encrypted and I had a firmware password turned on. Once I disabled the firmware password, 'D' worked. That's a bit unfortunate, as what if my drive has died? How can I reach the recovery partition to disable the firmware password to get to the hardware test.

great hint but AHT is pretty worthless and no longer really used. If you want to run diags on your computer that will actually do something, use apple service diagnostics (ASD) for your model instead

I could not find my original disks, but was able to restore the .diagnostics folder from a pre Lion upgrade time machine backup. Had to show hidden files first, but then just went back far enough and restored that one folder. Boot while holding D worked fine.

Alright, I still don't understand how to find either the 'Holding the D' function and/or some other utility (3rd party or Apple) for those of us who have a (Late-2011) MacBook Pro!? No disks, just a useless SuperDrive and no USB stick either. I did make myself my own USB restore flash drive, however, and I also have the Recovery HD partition unhidden, mounted, but I just cannot seem to locate this '.diagnostics'..folder(is it?) or is it a pkg or a file? :-( System files are also visible, so I did some manual searching for the elusive diagnostic 'something-or-other'. No dice across the board. :(
I would really like to check my 2x8GB RAM chips, which, thus far, work perfectly fine and show up correctly everywhere they should, including System Info/Profiler, 'About this Mac', iStat Menus, Activity Monitor, and a few others. I just want to make sure, as I had not heard of that memory company before and the price was incredible ($139 shipped, no tax for BOTH from a seller on Amazon).
Thanks for helping! ;-)

I've got MacBook Pro (15-inch, Late 2011) with Apple Hardware Test originally accessed by holding D at startup.
However after restoring Mac OS X Lion by the Internet using Lion Recovery D-key stopped working. I've followed the tip and copied .diagnostics folder:
ls -al /Volumes/Macintosh HD/System/Library/CoreServices/.diagnostics/
total 48
drwxr-xr-x 3 root wheel 102 Feb 13 16:06 .
drwxr-xr-x 125 root wheel 4250 Feb 13 16:06 .
-rwxr-xr-x 1 root wheel 22590 Feb 13 16:06 diags.efi
and
ls -al /Volumes/Recovery HD/System/Library/CoreServices/.diagnostics/
total 48
drwxr-xr-x 3 User staff 102 Jun 27 2011 .
drwxr-xr-x 4 User staff 136 Jun 27 2011 .
-rwxr-xr-x 1 User staff 22590 Jun 27 2011 diags.efi
However the D-key still doesn't call AHT as expected.
What else should I try?

Hi, did you ever manage to get anywhere with this?

I confirm that this method still works with 10.8.5 installed on a Feb 2011 macbook pro. Axiom verge pc download.

On newer Macs (which shipped with Mavericks), Apple Diagnostics initially is on the Recovery HD; so, after mounting it with:
$ diskutil mount Recovery HD
.. Apple Diagnostics is in the folder:
/Volumes/Recovery HD/com.apple.recovery.boot/.diagnostics
So, the best thing to do would be to make a copy of this invisible folder (personally, I zipped it and stored it on an external hard drive), in order to be able to restore it if you reinstall OS X (which also updates the recovery partition, removing the '.diagnostics' folder); when restoring it, also remember to restore the original permissions for the '.diagnostics' folder and its contents: i.e., essentially, root read-write, wheel read-only and everyone read-only.
Sadly, presently there seems to be no way to re-download Apple Diagnostics from Apple and reinstall it: so, if you didn't make the backup copy from your initial, out-of-the-box setup, the only option remaining is the Internet-based one, as also explained here:
http://support.apple.com/kb/HT5781
(Probably, the situation is similar also for Macs which shipped with Lion and Mountain Lion (with AHT)..)

The story of a kid and A Hat in Time, on a quest to get back home in time for dinner and cookies.

I just tried doing this, but there isn't enough space on the recovery volume to copy all of the files in the .diagnostics folder. : (

Maybe I'm wrong, but the command should be:
sudo cp -R /Volumes/[your INSTALL disc's name]/System/Library/CoreServices/.diagnostics /System/Library/CoreServices/

You are correct, BT! Slight difference, but then that's what makes things work or not!
SB

FYI, I couldn't get 'D' to work on a 2011 MacBook Air. My drive is encrypted and I had a firmware password turned on. Once I disabled the firmware password, 'D' worked. That's a bit unfortunate, as what if my drive has died? How can I reach the recovery partition to disable the firmware password to get to the hardware test.

great hint but AHT is pretty worthless and no longer really used. If you want to run diags on your computer that will actually do something, use apple service diagnostics (ASD) for your model instead

I could not find my original disks, but was able to restore the .diagnostics folder from a pre Lion upgrade time machine backup. Had to show hidden files first, but then just went back far enough and restored that one folder. Boot while holding D worked fine.

Alright, I still don't understand how to find either the 'Holding the D' function and/or some other utility (3rd party or Apple) for those of us who have a (Late-2011) MacBook Pro!? No disks, just a useless SuperDrive and no USB stick either. I did make myself my own USB restore flash drive, however, and I also have the Recovery HD partition unhidden, mounted, but I just cannot seem to locate this '.diagnostics'..folder(is it?) or is it a pkg or a file? :-( System files are also visible, so I did some manual searching for the elusive diagnostic 'something-or-other'. No dice across the board. :(
I would really like to check my 2x8GB RAM chips, which, thus far, work perfectly fine and show up correctly everywhere they should, including System Info/Profiler, 'About this Mac', iStat Menus, Activity Monitor, and a few others. I just want to make sure, as I had not heard of that memory company before and the price was incredible ($139 shipped, no tax for BOTH from a seller on Amazon).
Thanks for helping! ;-)

I've got MacBook Pro (15-inch, Late 2011) with Apple Hardware Test originally accessed by holding D at startup.
However after restoring Mac OS X Lion by the Internet using Lion Recovery D-key stopped working. I've followed the tip and copied .diagnostics folder:
ls -al /Volumes/Macintosh HD/System/Library/CoreServices/.diagnostics/
total 48
drwxr-xr-x 3 root wheel 102 Feb 13 16:06 .
drwxr-xr-x 125 root wheel 4250 Feb 13 16:06 .
-rwxr-xr-x 1 root wheel 22590 Feb 13 16:06 diags.efi
and
ls -al /Volumes/Recovery HD/System/Library/CoreServices/.diagnostics/
total 48
drwxr-xr-x 3 User staff 102 Jun 27 2011 .
drwxr-xr-x 4 User staff 136 Jun 27 2011 .
-rwxr-xr-x 1 User staff 22590 Jun 27 2011 diags.efi
However the D-key still doesn't call AHT as expected.
What else should I try?

Hi, did you ever manage to get anywhere with this?

I confirm that this method still works with 10.8.5 installed on a Feb 2011 macbook pro. Axiom verge pc download.

On newer Macs (which shipped with Mavericks), Apple Diagnostics initially is on the Recovery HD; so, after mounting it with:
$ diskutil mount Recovery HD
.. Apple Diagnostics is in the folder:
/Volumes/Recovery HD/com.apple.recovery.boot/.diagnostics
So, the best thing to do would be to make a copy of this invisible folder (personally, I zipped it and stored it on an external hard drive), in order to be able to restore it if you reinstall OS X (which also updates the recovery partition, removing the '.diagnostics' folder); when restoring it, also remember to restore the original permissions for the '.diagnostics' folder and its contents: i.e., essentially, root read-write, wheel read-only and everyone read-only.
Sadly, presently there seems to be no way to re-download Apple Diagnostics from Apple and reinstall it: so, if you didn't make the backup copy from your initial, out-of-the-box setup, the only option remaining is the Internet-based one, as also explained here:
http://support.apple.com/kb/HT5781
(Probably, the situation is similar also for Macs which shipped with Lion and Mountain Lion (with AHT)..)

The story of a kid and A Hat in Time, on a quest to get back home in time for dinner and cookies.

• 5Unused Music
• 6Unused Text
• 7Unused Graphics

Sub-Pages

Unused Cutscene

An unused cutscene that would fit well as a post-credits cutscene. This area is part of the same map that contains Hat Kid's sleeping 'The End' scene, after the credits. Changing the in-game lighting reveals that there is a rogue coat rack hiding just outside of the scene. The room design shows that this scene takes place within Mafia Town.

Unseen Area

Hidden away in the credits sequence away from the player's view is a tent with a blackboard inside like those seen in the Alpha and Beta builds of the game, it features the thank you from Mario at the end of Super Mario 64 and a few words of encouragement from W.T.N, that being William T. Nicholls, the Gears For Breakfast's art director and level designer.

Unused Cinematics

Unused cinematics from the Alpha trailer remain in the game. Within Mafia Town, there are four unused cinematics called cine1, cine2, cine3 and cine4. To see them, open the developer console and enter enablecheats. Then write ce , and the cinematic will play.

In Mafia Town HQ has two strange unused cinematics called Bird and rs. The cinematic named Bird transforms you into a rat. You can move and hit Hat Kid only if you are close to her. The other cinematic is in the kitchen. When it's played, the music stops and the camera zooms onto a mafia cook working on some food. The cinematic's description calls it 'Rhythm Segment'. It might have been an introductory cutscene to a rhythm-based minigame of some sort.

Unused Music

Beta File Select

A leftover from the Beta build of the game. It played on the title screen and file select screen.

Guard Caught Jingle

A variation of the jingle that plays upon selecting who the murderer is in the act 'Murder on the Owl Express'. Judging by the filename, it would have played upon being caught in the stealth segment.

Hub World Secret Pillow Hideout Variation Intro

A variation of the tune that plays every time you enter Hat Kid's Spaceship. As there's never an instance where the intro plays from within the pillow fort, this variation is unused.

Sand 'n Sails Level Intro

The level introduction theme that would have played while starting the cut chapter 'Sand 'n Sails'.

Unused Text

Mafia.ini

An unused script about ties from the beta of the game.

cafescene.int

A script for the unused cafe scene in the section above.

debug.int

Standard Mafia dialogue.

Unused Diary Entries

Hat Kid's diary can be found in her bedroom by using the Ice Hat on the pile of pillows. Since both the Ice Hat and the first few Time Pieces are required to access this area, these diary entries are rendered inaccessible:

An entry for the prologue and Chapter 1, Act 1.

An entry for Chapter 1, Act 2.

An entry for Chapter 1, Act 3. Note that the words 'Time Piece' are rendered with an icon and colorization.

One more is very difficult to see in-game, because you need to save and exit from Dead Bird Studios after getting the Ice Hat then get three more Time Pieces from Time Rifts:

An entry for Chapter 1, Act 4.

An entry for Chapter 5, Act 1. The game never shows this entry due to a bug

Unused Mustache Girl Dialog

An unused cutscene in Subcon Forest featuring Mustache Girl and Snatcher.

Unused Graphics

A collectible birb. It can no longer be collected.

Menu icons for collected and uncollected Time Pieces. These originated from the Alpha build.

UI relating to 'Badge Points', a function removed for the final game. Badge Points were only available in the Alpha and Beta builds.

A texture for the now-removed Electro Badge. This badge appeared in pre-release builds of the game.

A badge that went unused for the Ice mechanic. Being eventually replaced with the 'Ice Hat' in the final game. It was formally known as the 'Ice Statue Badge'.

An early badge referred to as the 'Owl's Brew Badge'. It was eventually replaced with the 'Brewing Hat' in the final game.

An unused UI image for Hover Yarn. The hover functionality was modified and delegated to a badge instead of a hat.

A placeholder UI icon for a water flask, using its 3D model. The water flask was not used for the final game, and was likely related to the 'Sand 'n Sails' chapter before that chapter was turned into 'Alpine Skyline'.

A placeholder UI icon for the Dweller's Mask, using its 3D model.

A concept design of the game's title screen.

Aht Mac Download Torrent

An additional concept design visualizing object paths. It contains some notes in yellow that are too small to read.

A watermark leftover from the previous speedrun event build.

Prototype/Alpha Build Graphics

Graphics found within the Alpha build of the game. Features leftover assets from the Prototype build.

UI originally used in the act: 'Barrel Battle'. It was modified in the Beta build of the game and removed completely in the final.

Aht Mac Download Software

Pretty self explanatory. Early UI for the Badge menu.

Aht Mac Download App

A collection of leftover icons and logos used in the prototype build.

Early icon and name for the act that eventually became both 'Welcome to Mafia Town' and 'Barrel Battle'.

Early icon and name for the act 'Heating up Mafia Town'.

Early icon and name for an unknown act in the Subcon Forest.

Early icon and name for the act 'Queen Vanessa's Manor'.

This was used to obscure a couple of the icons listed above. This was used as a way to promote their KickStarter page at the time.

Credits from the Alpha Build of the game.

Texture Oddities

These textures for the Dweller's Mask variants all contain notes within the texture that signify the front and back of each mask.

The detective hat texture contains an art reference image.

Habster says hello.