Yosemite will not boot in apple diagnostics mode

I have a Mac Mini 2014 running Yosemite 10.10.2. When I try to startup in Apple Diagnostic Mode (D key held down at startup chime, all peripherals except for mouse, keyboard and monitor unplugged) the computer just starts up in normal mode. Any ideas as to why this might be happening? Thank you.

It turns out I had a Firmware Password installed so it prevented the computer from booting in different modes, including Apple Diagnostic Mode. Since disabling the password, everything works fine now. Thanks, mende1, for your help.

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MacBook Pro Will Not Boot Past Apple Loading Screen At All.

I am having a major problem with my MacBook Pro and it just wont boot past the apple loading screen at all
I have tryed al lot of ways to fix this and it just wont work
It does not go into safe mode, it does not boot from cd, the PRAM thing wont work, verbose mode or the comand + s mode wont work
I tryed clean install but it wont boot from dvd, also it will not boot in any other way
It was working perfectly last night and i just shut it down and it does not work know.
My friend was also trying to install Lion from his account but the .dmg for it did not open so we quit and that night i used it for my essay and finished and then i turned it off and next day in the morining it don't work
HELP ME PLEASE

You can take the drive out of the computer, use a $20 IDE/SATA to USB adpater to another Mac
You can see if you can read the drive directly to gain access grab files, run Disk Utility and perhaps it can repair it.
If you can't read the drive then there is DataRescue for a whopping $99 but it will read any deleted (but not scrubbed, encrypted or overwritten) data for recovery. Least that way you can get your files back.
Once your data is off, Zero Erase the whole thing, install 10.6 on it with the other Mac.
When installed in the sick mac, the hardware firmware will read the new EFI firmware, load it and you'll have the boot keys back again ON THE SECOND BOOT, it doesn't load on the first.
https://discussions.apple.com/docs/DOC-3172
https://discussions.apple.com/community/notebooks/macbook_pro?view=documents

Imac will not boot past Apple Logo

My imac will not boot after the good chime and apple logo (i don't even get a spinning wheel). I have held the option key down and selected the OS 10.6 disk with the same result. I was able to erase the drive and reinstall OS 10.6 using target mode and another computer. In target mode I can boot the other computer from the IMac HD but not the IMac. Have also tried holding the shift key and booting into safe mode with the same result. Additional note: I reset the PRAM and the SMU. At first on PRAM reset it would take 45 seconds for the machine to chime again, after OS reinstall and SMU reset, PRAM reset chimes within 10 seconds.... any help would be appreciated...

Kind of late but your solution helped me remember what once worked for me, a few years back.
Started iMAC in Target mode Used a firewire cable to a MacBook Pro
Started the Macbook Pro using the option Key and then restarted with the iMac as the Hard drive
Then I updated to 10.6.8 and allof the other updates.
shut down and rebooted and everything was fine.
But first I did quite a few other things before the update such as
It all started with a DiskWarrior finding overlapped files, I have been around the block a time or two so after it found three overlapped files, I shut down diskwarrior started up disk utility did a restore of the messed up drive to another external drive,
of course this copied overlapped files and all to the new external drive It took 24 huors or so, to back up the drive once it was done, I also tried a few times to correct the overlapped files to no avail,
so then I started the iMac up in target mode used the MacBook to format and erase the original drive, used the 10.6.3 DVD installer to install onto the hard drive, using the macBook DVD. After I was finished with the install to the iMAC,,,,,,,,,,this is where I got the three beeps like bad ram So idid the PRAM and SMC to no avail.
The operating system was evidently not new enough so once I did what i said at the begining of this post all went well.
Sometimes It is tough to remember some of the stuff that you learned several years ago.
and tired hard to forget.
I hoped this post does not scare away to many people, I was just about done with this computer until I read your post, one of several dozen, and it all came back to me.
Thanks a Bunch
I hope this can help others
themacprofessor

Holding 3 and 2 will not boot in 32 bit mode

Hello. I need to boot in 32 bit mode to run Cisco VPN Client on my Macbook Air (version 10.7.4). This worked earlier this week but I've now tried for 3 days probably 20 plus time and cannot get it to take. Is there another way to boot in 32 bit mode?
Can anyone assit?
uname -v
Darwin Kernel Version 11.4.2: Wed May 30 20:13:51 PDT 2012; root:xnu-1699.31.2~1/RELEASE_X86_64
Thanks.

I have the identical problem:
brand new Macbook Air (Summer 2012)
Mac OS 10.7.4
Kernel patch 11.4.2
it will not boot in 32bit modus - not with holding down 3+2 during startup and neither after
sudo systemsetup -setkernelbootarchitecture i386
What´s wrong???

Will not boot up in safe mode

Here's another headache which is testing my temperament to the extreme.
My Mac crashed this morning and when I restarted I got the classic Spotlight in the corner icon. The usual procedure here is to restart in safe mode, empty the wastebasket and then restart as normal.
Unfortunately, my Mac simply refuses to boot up in safe mode! Instead it shuts down. Now this is nothing to do with me leaving on my finger on the button too long or not long enough, as I've done the safe mode restart countless times...the bugger just will not go into safe mode no matter what I try and do.
Any insights would be greatly appreciated before my full head of hair turns into a massive bald patch!!
PowerMac G5 Mac OS X (10.4.2)

I just had an issue like this. I was able to boot up with an external firewire drive, although it was a lot of trouble. I think doing an option boot finally worked; holding down the option key, I eventually got to see the firewire drive was bootable, and booted from it.
I put the thing in verbose boot mode (command - v , I think; but please look it up. I have no Mac books at work to check). In verbose mode, you could see that the hard drive could not mount; the OS tried to do fsck, but it failed around 2/3 of the way, and the CPU was halted.
I was occasionally able to boot normally, but never in safe or single user modes; these do a disk test first, which invariably failed.
I could see from the system and console logs when I managed to get the firewire boot going that there were repeated errors trying to access drive s03, the internal SATA drive. The logs on the SATA drive showed huges numbers of errors. At a wild guess, for some reason a lot of sectors went bad all at once. There had been a some erratic behavior before, but I'd put that down to the single processor G5 problems. (these were non video related, just freezes).
Applecare wanted me to carry the huge thing into the local Apple store, but I persuaded them to just send me a replacment hard drive, which they did. The new one works perfectly.
PowerMac G5 1.8 SP (late 2004), 1.42 mhz 14 iBook Mac OS X (10.4.3) both with 1.5 GB Ram

MacBook Pro will not boot, only in safe mode. Tried Everything!

My MacBook Pro was working fine yesterday. Went to boot it up today, and it freezes on the Apple grey boot screen, will not progress further.
It does however start in safe mode, but will not start normally.
I've tried everything I can find, reset the PRAM, reinstalled OS X, ran the Apple Hardware test which came back clear, I don't know what else to try and why it's not working. It's been fine until now. Please help! Thank you

Please read this whole message before doing anything.
This procedure is a diagnostic test. It won’t solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
Third-party system modifications are a common cause of usability problems. By a “system modification,” I mean software that affects the operation of other software — potentially for the worse. The following procedure will help identify which such modifications you've installed. Don’t be alarmed by the complexity of these instructions — they’re easy to carry out and won’t change anything on your Mac.
These steps are to be taken while booted in safe mode.
Below are instructions to enter some UNIX shell commands. The commands are harmless, but they must be entered exactly as given in order to work. If you have doubts about the safety of the procedure suggested here, search this site for other discussions in which it’s been followed without any report of ill effects.
Some of the commands will line-wrap or scroll in your browser, but each one is really just a single line, all of which must be selected. You can accomplish this easily by triple-clicking anywhere in the line. The whole line will highlight, and you can then copy it. The headings “Step 1” and so on are not part of the commands.
Note: If you have more than one user account, Step 2 must be taken as an administrator. Ordinarily that would be the user created automatically when you booted the system for the first time. The other steps should be taken as the user who has the problem, if different. Most personal Macs have only one user, and in that case this paragraph doesn’t apply.
Launch the Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
When you launch Terminal, a text window will open with a line already in it, ending either in a dollar sign (“$”) or a percent sign (“%”). If you get the percent sign, enter “sh” and press return. You should then get a new line ending in a dollar sign.
Step 1
Triple-click the line of text below to select it:
for k in /Sy*/L*/Ex*/{,.?}*.kext; do test -f "$k/Contents/Info.plist" && /usr/libexec/PlistBuddy -c "Print :CFBundleIdentifier" "$_" | egrep -qv "apple|Accusys|ArcMSR|ATTO|CalDigit|HighPoint|hp-fax|JMicron|print|SoftRAID|stex" && echo $k; done | open -f -a TextEdit
Copy the selected text to the Clipboard by pressing the key combination command-C. Then click anywhere in the Terminal window and paste (command-V). A TextEdit window will open with the output of the command. Post the contents of that window, if any — the text, please, not a screenshot. You can then close the TextEdit window. The title of the window doesn't matter, and you don't need to post that. No typing is involved in this step.
Step 2
Repeat with this line:
sudo defaults read com.apple.loginwindow LoginHook | open -f -a TextEdit
This time you'll be prompted for your login password, which you do have to type. Nothing will be displayed when you type it. Type it carefully and then press return. You may get a one-time warning to be careful. Heed that warning, but don't post it. If you see a message that your username "is not in the sudoers file," then you're not logged in as an administrator.
Note: If you don’t have a login password, you’ll need to set one before taking this step. If that’s not possible, skip to the next step.
Step 3
Repeat with this line:
ls -1A /e*/mach* {,/}L*/{Ad,Compon,Ex,Fram,In,Keyb,La,Mail/Bu,P*P,Priv,Qu,Scripti,Servi,Spo,Sta}* L*/Fonts 2> /dev/null | open -f -a TextEdit
Important: If you formerly synchronized with a MobileMe account, your me.com email address may appear in the output of the above command. If so, anonymize it before posting.
Step 4
osascript -e 'tell application "System Events" to get name of every login item' 2> /dev/null | open -f -a TextEdit
Remember, Steps 1-4 are all copy-and-paste — no typing, except your password. Also remember to post the output.
You can then quit Terminal.

Imac g5 will not boot past apple logo

Two weeks ago it started up perfect with no problems , last night i turn it on , it's pixelated and will not go past the apple logo , i reset the pram, i made sure it was running on the OS , i tried to boot of of disk warrior ,nothing worked. I started it in verbose mode the pixels went away and it got hung up on airport link down in enl . I have a picture of where it got hung up , i will try and post it...okay guess i can't do that. I bought this from a friend who had pre loaded the programs i wanted so i do not have start up discs i have a copy of osx and a copy of tiger (i believe) (original programs) i am not sure what os is running on here, but if it helps its not a newer version and i run garage band 8 on it.
iMac

How to show us a screen image. Avoid personal identification.
command + shift + 3 Will take entire screen. You hear a click.
command + shift + 4 Lets you decide what to take. Mouse pointer changes. Move mouse to upper left corner of desire image. Hold down left mouse key where to start image. Drag mouse to lower left of where you want to stop image. Release mouse.
You will get a picture n.png file on the desktop.
On the forum input panel you will see the camera icon.
click on camera icon.
another window will appear.
Make sure you have selected the from your computer tab.
click on Browse button
An open file panel appears. Select the file.
After selection a file, I have this screen showing.
You will have to click on Insert Image. You may have to scroll down to see Insert Image button.

Macbook Pro will not boot past apple logo/spinning gear

Earlier this evening I was installing the aperture 3.0.2 and iMovie 8.0.6 updates onto my MBP and the system refused to install the Aperture update so I decided to shut down and restart the mac and when I saw the familiar Apple logo spinning I was distraught to see it would go no further. I then did what ay learned apple user would do and reset the PRAM and let it chime 4 times, just to be safe, and I restarted holding shift - the grey bar finished but it still would not load. I luckily have a Carbon Copy Clone of an old hard drive for this machine before I upgraded (much too outdated to copy back over - I would lose Final Cut Studio 3 and Aperture 3 etc...) which I was successful in booting into (and am using now) to do a disk utility > repair permission and repair disk. Both had no errors and I was sincerely confused. I attempted to boot it once more before I started to freak out. Needless to say I freaked out. I booted in single user mode and ran the checkdisk within that TWICE before typing exit and it did the rest of the verbose boot which then hung on "AirPort: RSN handshake complete on en1" This is the end of what I know to do - so with that I hand it off to you... any help is appreciated a and will definitely be attempted.
-Lucas

The drive had over 350GB available. Yes I suppose I would be able to but I am unable to locate one. If someone is certain a OS replacement install would fix things I am willing to go buy one...

2007 Mac Pro will not boot, even in safe mode

Hello,
I have a Mac Pro purchased in 2007 that had been working well up until a few months ago. I had trouble with Microsoft Word 2008 repeatedly crashing; I repaired the hard disk and moved up to Word 2011, and the problem seemed to resolve.
Yesterday, the machine crashed, and I am not able to start it up, even in safe mode. I have tried resetting the SMC and NVRAM/PRAM, removed and cleaned the graphics card (NVIDIA 7300 GT), and removed the 3rd party RAM I installed at least 2 years ago.
When booting to the internal hard drive, the Apple logo will show, then a blue screen followed by a gray screen with a frozen cursor. When I boot to an external hard drive or the OSX Leopard install DVD, the screen flickers like below:
When I tried to boot in safe mode while holding shift + command + V, the safe boot froze after reading:
panic (cpu 2 caller 0x2abf6a): kernal trap at 0x0029a4bc, type 14= page fault, registries:
[4 lines of 2-3 letter acronyms and numbers]
Error code: 0x00000000
I am thinking of buying a new graphics card (ATI Radeon 5700), but I want to be sure (as much as possible) that will solve the problem I am having. Any suggestions would be very much appreciated!
Thank you,
Cheryl

replace the system drive
always clone your system
yes dump the 7300 if you plan to keep using it and use Lion
A clean install would be nice start, on say 120GB SSD or something too
And 2x2GB FBDIMM set is $30 if you need a set
AHT is on your OEM DVD from 20007
dust, temps and air flow is also important

My macbook will not boot past apple loading screen

Yesterday i turned my computer off before going to class, when i got back i was not able to get past the loading screen. I havent had any problems at all, many people have been saying that their macs start freezing then they have to manually shut down the computer. This usually means the hard drive is bad. but i have not had any of these problems. I am also not able to boot into safe mode. When i go into disk utility my hard drive shows up but is in grey, when i try to repair it it shows that its working but stays in the same spot for hours, i finally shut the computer down after 5 hours of it loading in the same spot. I have tried all of the commands suggested on the forums but have had no luck. I am also running lion but since their is no cd for lion would i use my snow leopard cd or the cd that came with my macbook in 2009. Sorry for the long post, thanks in advance!

You can take the drive out of the computer, use a $20 IDE/SATA to USB adpater to another Mac
You can see if you can read the drive directly to gain access grab files, run Disk Utility and perhaps it can repair it.
If you can't read the drive then there is DataRescue for a whopping $99 but it will read any deleted (but not scrubbed, encrypted or overwritten) data for recovery. Least that way you can get your files back.
Once your data is off, Zero Erase the whole thing, install 10.6 on it with the other Mac.
When installed in the sick mac, the hardware firmware will read the new EFI firmware, load it and you'll have the boot keys back again ON THE SECOND BOOT, it doesn't load on the first.
https://discussions.apple.com/docs/DOC-3172
https://discussions.apple.com/community/notebooks/macbook_pro?view=documents

MacBook Pro will not boot from Apple Logo Screen - No HD recognised

Hi all,
I encountered a problem booting my mid 2010 MacBook Pro yesterday. I currently run OSX Mavericks.
The computer has been great for the last 4 years and has never encountered any major issues. Yesterday I dropped it on carpet while sitting on the couch (it was a VERY small impact) and I continued to use it for a few hours. I did a safari update that night also. I then closed the lid which would have put it to sleep. My flatmate asked for a file later that night, I took his USB and stuck it in my computer, THEN opened the lid. The computer never booted up (It was stuck on the apple logo with the spinning thing underneath it). After doing this for a minute or so the computer would turn off. After multiple attempts the same thing happened.
I read many posts on this - I am assuming that the problem occured because I brought it out from sleep with a USB in the side. I have taken the following steps to attempt fixing the problem -
*safe boot - no luck
*reset PRAM - no luck
*recovery mode boot - getting disk errors.
In recovery mode boot I cannot reinstall a new OSX version because there is no internal HD disk mounted. It only gives me the option to install OSX to the Recovery HD, which is locked.
Using Time Machine backup wont work as there is also no Internal HD detected to load to.
In Disk Utility it no longer has 'Macintosh HD' - It is further labelled 'disk0s2'. I cannot verify, repair OR erase this disk.
Can someone PLEASE assist with what I might be able to do. I need to somehow mount/unmount/detect my internal HD. I am happy to detect it and format it as I have Time Machine backups on an external HD.
I am no mac genius although I do learn quickly. If I can get assistance It would be very appreciated. I have a feeling I can sort some issues out using Terminal although I need command assitance?!?
Apologies for the long post although I want to outline everything I have done to attempt to isolate the problem.
Thank you all in advance.

Does your flatmate have a Mac as well?
If so, you could always get a 8GB+ USB stick, download Mavericks using your Apple ID and use DiskMaker X to create a bootable installation disk on the USB stick. Then boot using the USB stick (hold down the option ey whilst booting to select it) and try to reformat your drive using Disk Utility and, if you're able, reinstall OS X on your machine and then restore from backup.
The only hitch may be that your hard drive is dead and that you need to install a new drive. You'll know once you boot from the USB stick, though, if you can format the drive or not.
Good luck,
Clinton

My iMac will not boot up in any mode

Tried normal mode
Tried safe mode
Tried install DVD
Tried hardware test with application DVD
Tried hardware test from Internet ( not supported my my machine )
Any suggestions ?

There is certainly activity on the power up.
in each of those modes, there is the chime and the logo and the wheel .
in the hardware test, it runs the test for about 2min 15sec, and then i can hear the drive for ever.
Left it running last night and after 7 hours, it was int he same spot.
The other boot modes, the wheel is spinning forever.
I did go through the power off sequence you describe. Same results.
I also reseated the memories.
Sometimes during normal boot, I see the machine just power off while the wheel is spinning.

Satellite L300-1AP will not boot even in safe mode

After trying to boot in safe mode I get (after 10 minutes or so) the following.....
Windows failed to start. A recent hardware or software change might be the
cause. To fix the problem:
1. Insert your Window installation disk and restart your computer.
2. Choose your language settings, and then click "Next."
3. Click "Repair your computer."
If you do not have this disk, contact your system administrator or computer
manufacturer for assistance.
File: \Windows\system32\config\system
Status: 0xc00000e9
Info: Windows failed to load because the system registry file is
missing, or corrupt.
As the the OS was pre installed, no Windows disk is available. Have tried Windows repair, but get a similar message. Have tried F8 upon boot and have tried to restore to most recent working state but get the same as above. Is there any other way of repairing this or is this a hard disk issue? Help!

Thanks for your reply Horwath, unfortunately after about 15 minutes I get this instead:
Windows failed to start. A recent hardware or software change might be the
cause. To fix the problem:
1. Insert your Window installation disk and restart your computer.
2. Choose your language settings, and then click "Next."
3. Click "Repair your computer."
If you do not have this disk, contact your system administrator or computer
manufacturer for assistance.
Status: 0xc000000f
Info:The boot selection failed because a required device is inaccessible.
I can't even do a boot log to find out where it's falling over. Any thoughts?
null

Iphone will not boot past apple logo, reset doesnt work

Hello...
i replaced the the LCD screen on my iphone 3g and all i get when i power it on is the apple logo and a swirling progress bar that doesnt move, this loops every 5 or so minutes but does not progress to the password screen.....
Please anyone..???

Greg,
You can try searching the Internet for a 3rd-party company that will repair iPods and iPhones.
Hardware issues caused by disassembly or unauthorized service are not covered by the iPhones warranty. This webpage: http://www.apple.com/legal/warranty/ provides more details about the iPhones warranty.
You can also find answers to Frequently Asked Questions about iPhone service here: http://apple.com/support/iphone/service/faq/
-Jason

HT203254 My 15" MacBook Pro of about that vintage indicates that all is well by the hardware tests bu will not boot beyond Apple screen, stops with arrow and short horizontal lines.

What serial and model numbers were known to be Products Affected, MacBook Pro, models with NVIDIA GeForce 8600M GT graphics processors?

Welcome to the Apple Support Communities
Take the computer to an Apple Store because your graphic card is damaged. The computers affected were sold between May 2007 and September 2008, so if your Mac is one of these Macs, Apple will repair the computer for free

Yosemite will not boot in apple diagnostics mode

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