Mac Mini Won't Boot or Internet Restore - Hard Drive Boots on Macbook

Late 2012 Mac Mini. I cloned my 10.10.2 installation of Yosemite over from my Macbook pro 6,2 to a 1TB Samsung 840 SSD. It booted with no issues besides the keychain being lost and all passwords having to be re-entered.
After a week of going perfectly, it stops recognizing the USB keyboard after I unplugged it and plugged it back in. So I rebooted and get the dreaded stop sign after the boot failed. Oops. I enabled trim before I cloned, but forgot to check if it was working in the cloned drive (seems it was in the end). Since there was no recovery partition, I booted into Internet Recovery, but that hung using both WPA and WPA2 router logins. It obviously was syncing with router, but I got error -2002f in every configuration I tried. It also didn't seem to recognize an ethernet connection. Weird stuff.
I remembered I had an issue with a previous Mac Mini of the same model and the permissions after a clone. I repaired permissions and that was that. This is different because it wouldn't boot into Safe Mode. Resetting the PRAM did bring back an audible chime at least.
I pulled the SSD out of the Mac Mini and alt booted in from my Macbook 6,2. No issues (except the keychain thing again( and it loaded quickly. Nothing seemed to be wrong.
Then I put it back in the Mac Mini and tested it with known working RAM. Still the same thing. So now I am going to sleep on it and try to figure it out. It is unlikely to be a hardware failure as the Mac Mini was made in May 2014 and I bought factory refurbished. It seems to be an issue relating to the SSD as it boots other drives.
Any ideas?

Fix The Bugs Please wrote:
It is unlikely to be a hardware failure as the Mac Mini was made in May 2014 and I bought factory refurbished. It seems to be an issue relating to the SSD as it boots other drives.
Any ideas?
Is this SSD an additional drive added to your Mac Mini or did you replace the HDD with it? If it's an additional drive and since it's a Samsung, depending where you purchased your drive doubler kit (iFixit or OWC) you can try swapping the drives in the bays. I know for a fact that Samsung SSDs do not work right with the iFixit drive doubler kit's SATA cable. But it does work correctly with the Apple supplied SATA cable. If it's the OWC SATA cable, I know for a fact those are much more reliable with Samsung, OWC, Intel, Crucial SSDs. Another thing, I would NOT enable TRIM (my opinion) using a 3rd party trim enabler if you're running Yosemite. There are issues with trim enablers and Yosemite. Just let the built-in Garbage Collection take care of things.
If it's not an additional drive that was added, does your Mac Mini boot and work fine with the stock drive that it came with? Even though it's a 2012 model, if you purchased it refurbished from Apple in May 2014, you're still under warranty (same 1yr as new Macs) and if it's having same or similar issues working with the stock drive, you can take it to a local Apple Store for warranty repair. You would need to have only the stock drive installed (no SSD) before you setup an appointment.

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Mac Mini won't connect to internet using Apple products (Safari, iTunes, AppStore). Date and time are frozen to the moment CPU is booted up. Firefox works. Cannot update.

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Safari won't connect to internet, but Firefox does.
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Hi again,
Let me ask for some better help for you that is familiar with this problem (if in fact it is a similar problem with the IP address and your ISP.
The other topic concerning this can be found at:
http://discussions.apple.com/thread.jspa?threadID=2725608
It is a somewhat lengthy thread but may just apply to your situation.
Anyways I will see if I can call on some better help for you. Hang in there. Best to arm yourself with enough info before contacting Comcast so they might know what you are dealing with fully.
littleshouders
edit: I have posted for some extra help for you that may have a better idea of what's going on if it is your ISP and their modem and how it handles the IP address causing Safari and iTunes not to connect. Hang in there it may take awhile but I'm sure someone will pop in to help.
Message was edited by: littleshoulders

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Two days after I installed 10.4.4 on my Mac mini. It will no longer connect to the internet. At first I thought it was just the airport extreme card malfunctioning. So today I turned off the airport extreme card, and tried the built-in ethernet and I'm having the same problem. The odd thing with the airport extreme card is that it showing that its connected to the right network but won't do anything.
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Hmm, this is interesting. I seem to be having the
same problem. I too have a Mac Mini and upgraded to
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Lin clients are working fine), and when I give it a
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Hello All,
I have a three year old Mac Mini 1.83 GHz Intel Core 2 Duo at my office. We all use macs and connect to the internet using a Time Capsule (Simultaneous Dual Band II). Everyone else's computers are connecting to the internet and working just fine, but my computer constantly keeps failing to connect properly. I have to continually reboot my computer to get access. It will connect and stay connected for a little while, but then quit working all of a sudden again. I would say it disconnects about 10-15 times during the day. When I open up the diagnostic utility, it shows the following:
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Whenever I start having problems, everyone else's computers are connected and working just fine. I cannot figure out what the problem is and why my computer keeps showing that i'm connected, but won't let me access the internet.
With the information that you have provided in your post, it seems clear that the Time Capsule, which is providing the wireless network, is working just fine, providing a good wireless signal to the area. Since that's the case, there is really not any adjustment or change to the Time Capsule that we can recommend.
You might look for sources of wireless interference like cordless phones or other electronics that may be in close proximity to the Mac Mini, or obvious obstructions in the signal path, particularly any metal objects like a filing cabinet or shelving system.
Other than that, we would recommend that you post in the Mac Mini forum for some possible answers, or the forum for the operating system that you are running on the Mac Mini. Start here and select the area(s) that you need.
https://discussions.apple.com/index.jspa
It's always possible of course, that the wireless card in the Mac Mini is failing, or the internal antenna connector has an intermittment connection, but we'll leave that diagnosis to the experts in the forums for the Mac Mini or your operating system.
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Power off and then back on the router
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http://macs.about.com/od/networking/qt/networklocation.htm

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Welcome to the Apple Support Communities
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Message was edited by: Yijian Cao

If you install XP on Bootcamp, your startup disc will be changed to XP Windows partitioned you did. To restore your startup disc back to Mac OS, make sure your Mac is turned off. 1. Plug the power back and press the power button ON. When you hear the power On sound, press and hold the ALT key on your keyboard until you see the hardrives. 2. Select the HD that says MAc OS, then your mac will boot back to Mac OS.
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Abel

Mac mini won't boot anymore

My Mac mini won't boot anymore. It's been running fine for months.
It's running Leopard Server 10.5.2 Build 9C31
It starts to boot, I get the first spinning gear with the gray screen, then the blue desktop blinks, then a second spinning gear on a gray screen and it appears to hang (the gear stops spinning).
I booted off the install DVD, ran disk utility, repaired the HD, repaired the permissions: the behavior is the same.
Safe mode doesn't work (same hang as above).
Single user mode does work.
I can connect to it via Server Admin while it appears hung.
The last few lines of the system log are:
May 15 18:38:58 server emond[67]: SetUpLogs: uid = 0 gid = 0
May 15 18:38:58 server emond[67]: SetUpLogs: opening /Library/Logs/EventMonitor/EventMonitor.error.log
May 15 18:38:59 server kextd[23]: writing kernel link data to /var/run/mach.sym
May 15 18:39:09 server KernelEventAgent[59]: tid 00000000 received unknown event (12)
May 15 18:39:20 server kernel[0]: display: Not usable
May 15 18:39:20 server com.apple.KerberosAutoConfig[126]: Kerberos configuration is up to date
May 15 18:39:20 server com.apple.ATSServer[125]: FODBCheck: New annex file created
May 15 18:39:21 server ARDAgent [130]: ******ARDAgent Launched******
May 15 18:39:21 server com.apple.KerberosAutoConfig[132]: Kerberos configuration is up to date
May 15 18:39:22 server ARDAgent [130]: call logout from LoginLogoutProxyCallBackFunction
May 15 18:39:22 server com.apple.launchd[1] (com.apple.RemoteDesktop.agent): Throttling respawn: Will start in 9 seconds
May 15 18:39:24 server loginwindow[58]: Login Window Started Security Agent
May 15 18:39:29 server servermgrd[53]: servermgr_calendar: created default calendar virtual host
May 15 18:39:31 server ARDAgent [146]: ******ARDAgent Launched******
May 15 18:39:32 server ARDAgent [146]: ******ARDAgent Ready******
May 15 18:39:33 server mdworker[109]: (Error) SyncInfo: Boot-cache avoidance timed out!
May 15 18:39:54 server Python[47]: CGImageSourceCreateWithData data parameter is nil
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May 15 18:39:56 server kernel[0]: AppleYukon2: 00000000,00000001 sk98osx sky2 - - sk98osx_sky2::replaceOrCopyPacket tried N times
May 15 18:49:54 server kernel[0]: serialnumberd 194 FSWRITEDATA SBF /dev/dtracehelper 13 (seatbelt)
May 15 18:49:54 server kernel[0]: serialnumberd 194 FSREADDATA SBF /dev/autofs_nowait 13 (seatbelt)
May 15 18:49:54 server kernel[0]: serialnumberd 194 FSREADDATA SBF /usr/sbin 13 (seatbelt)
May 15 18:55:12 server kernel[0]: AppleYukon2 - bad packet received. length: 23, packet status bits: MII error
Any ideas?

Yes, it's been running Server since I purchased it.
I doubt the serial number is in use elsewhere: I purchased the 10-user version at a retail store in a sealed package and I've only installed it once.

Mac Mini won't boot up.

Mac Mini won't boot up! Just getting blank white screen, any ideas why? No apple, just a blank screen. It worked fine last night.

Have you tried booting into the Recovery HD by pressing/holding COMMAND+R at system start or the Option/Alt key and choosing Recovery HD to boot into?
If you can get into the Recovery HD, open Disk Utilities and Verify Disk. Repair if necessary.

My Mac Mini won't get past the initial startup screen with the Apple logo. What can I do?

After a long distance move, my Mac Mini won't startup past the logo screen. What can I do?

Take each of these steps that you haven't already tried. Stop when the problem is resolved.
Step 1
The first step in dealing with a startup failure is to secure the data. If you want to preserve the contents of the startup drive, and you don't already have at least one current backup, you must try to back up now, before you do anything else. It may or may not be possible. If you don't care about the data that has changed since the last backup, you can skip this step.
There are several ways to back up a Mac that is unable to start. You need an external hard drive to hold the backup data.
     a. Start up from the Recovery partition, or from a local Time Machine backup volume (option key at startup.) When the OS X Utilities screen appears, launch Disk Utility and follow the instructions in this support article, under “Instructions for backing up to an external hard disk via Disk Utility.” The article refers to starting up from a DVD, but the procedure in Recovery mode is the same. You don't need a DVD if you're running OS X 10.7 or later.
b. If Step 1a fails because of disk errors, and no other Mac is available, then you may be able to salvage some of your files by copying them in the Finder. If you already have an external drive with OS X installed, boot from it. Otherwise, if you have Internet access, follow the instructions on this page to prepare the external drive and install OS X on it. You'll use the Recovery installer, rather than downloading it from the App Store.
c. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, start the non-working Mac in target disk mode. Use the working Mac to copy the data to another drive. This technique won't work with USB, Ethernet, Wi-Fi, or Bluetooth.
d. If the internal drive of the non-working Mac is user-replaceable, remove it and mount it in an external enclosure or drive dock. Use another Mac to copy the data.
Step 2
If the startup process stops at a blank gray screen with no Apple logo or spinning "daisy wheel," then the startup volume may be full. If you had previously seen warnings of low disk space, this is almost certainly the case. You might be able to start up in safe mode even though you can't start up normally. Otherwise, start up from an external drive, or else use the technique in Step 1b, 1c, or 1d to mount the internal drive and delete some files. According to Apple documentation, you need at least 9 GB of available space on the startup volume (as shown in the Finder Info window) for normal operation.
Step 3
Sometimes a startup failure can be resolved by resetting the NVRAM.
Step 4
If you use a wireless keyboard, trackpad, or mouse, replace or recharge the batteries. The battery level shown in the Bluetooth menu item may not be accurate.
Step 5
If there's a built-in optical drive, a disc may be stuck in it. Follow these instructions to eject it.
Step 6
Press and hold the power button until the power shuts off. Disconnect all wired peripherals except those needed to start up, and remove all aftermarket expansion cards. Use a different keyboard and/or mouse, if those devices are wired. If you can start up now, one of the devices you disconnected, or a combination of them, is causing the problem. Finding out which one is a process of elimination.
Step 7
If you've started from an external storage device, make sure that the internal startup volume is selected in the Startup Disk pane of System Preferences.
Start up in safe mode. Note: If FileVault is enabled, or if a firmware password is set, or if the startup volume is a Fusion Drive or a software RAID, you can’t do this. Post for further instructions.
Safe mode is much slower to start and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
The login screen appears even if you usually log in automatically. You must know the login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
When you start up in safe mode, it's normal to see a dark gray progress bar on a light gray background. If the progress bar gets stuck for more than a few minutes, or if the system shuts down automatically while the progress bar is displayed, the startup volume is corrupt and the drive is probably malfunctioning. In that case, go to Step 10. If you ever have another problem with the drive, replace it immediately.
If you can start and log in in safe mode, empty the Trash, and then open the Finder Info window on the startup volume ("Macintosh HD," unless you gave it a different name.) Check that you have at least 9 GB of available space, as shown in the window. If you don't, copy as many files as necessary to another volume (not another folder on the same volume) and delete the originals. Deletion isn't complete until you empty the Trash again. Do this until the available space is more than 9 GB. Then restart as usual (i.e., not in safe mode.)
If the startup process hangs again, the problem is likely caused by a third-party system modification that you installed. Post for further instructions.
Step 8
Launch Disk Utility in Recovery mode (see Step 1.) Select the startup volume, then run Repair Disk. If any problems are found, repeat until clear. If Disk Utility reports that the volume can't be repaired, the drive has malfunctioned and should be replaced. You might choose to tolerate one such malfunction in the life of the drive. In that case, erase the volume and restore from a backup. If the same thing ever happens again, replace the drive immediately.
This is one of the rare situations in which you should also run Repair Permissions, ignoring the false warnings it may produce. Look for the line "Permissions repair complete" at the end of the output. Then restart as usual.
Step 9
If the startup device is an aftermarket SSD, it may need a firmware update and/or a forced "garbage collection." Instructions for doing this with a Crucial-branded SSD were posted here. Some of those instructions may apply to other brands of SSD, but you should check with the vendor's tech support.
Step 10
Reinstall the OS. If the Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade.
Step 11
Do as in Step 9, but this time erase the startup volume in Disk Utility before installing. The system should automatically restart into the Setup Assistant. Follow the prompts to transfer the data from a Time Machine or other backup.
Step 12
This step applies only to models that have a logic-board ("PRAM") battery: all Mac Pro's and some others (not current models.) Both desktop and portable Macs used to have such a battery. The logic-board battery, if there is one, is separate from the main battery of a portable. A dead logic-board battery can cause a startup failure. Typically the failure will be preceded by loss of the settings for the startup disk and system clock. See the user manual for replacement instructions. You may have to take the machine to a service provider to have the battery replaced.
Step 13
If you get this far, you're probably dealing with a hardware fault. Make a "Genius" appointment at an Apple Store, or go to another authorized service provider.

Mac Mini Won't Boot or Internet Restore - Hard Drive Boots on Macbook

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