Mac mini won't stop alert sounds

About a month ago my Mini started making the alert tone (from the mini) whenever I turned off the monitor speakers to go to bed. It didn't do it before, and even when I turn off alert sounds in system preference SOUND, it starts doing it again. Any ideas?

Hi,
Does it do it if you disconnect the KB & Mouse?
How often does it do it?

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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
May 15 18:39:54 server com.apple.wikid[47]: Thu May 15 18:39:54 server.jeff.carpenter.name Python[47] <Error>: CGImageSourceCreateWithData data parameter is nil\n
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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.

2010 Mac Mini won't sleep

Hello, everything was working fine until I accessed my mac mini from my old iMac G4 to share some files. Now my new Mac Mini won't sleep. Here is what I have done. Ejected the Mac Mini on the iMac. Turned off the iMac, stopped sharing everything on the Mac Mini including files, my printer and iTunes media and reset the PRAM. Still the Mac Mini won't sleep. It's set to it's defaults of 10 minutes to sleep the monitor and itself but only the monitor goes to sleep after the 10 minutes. Very frustrated...

Hello Euchre and thank you for replying. I have unchecked all the boxes within the "Sharing" options that I checked some time ago. When I did that, sharing was automatically turned off. Still I am having the issue. I'll try putting the monitor at 9 minutes and the computer at 10 to see if that works. I'll be back. Thanks again, Ed

Mac Mini won't start after installing OS X 10.6.3

My Mac Mini won't start after installing Mac OS X Snow Leopard 10.6.3. When I turn it on, the Apple logo appears and the initialization line starts to fill, but it suddenly stops. It does that again and stops at the same point, but this time it shuts down. What should I do?

If you are coming from 10.5.8, hopefully you backed up your important data first. Your mini will need at minimum, 1 GB of RAM to install Snow Leopard and at least 5 GB of storage remaining on your boot drive.
I treat 10.6.3 as a fresh, full install over a 10.5.8 system. That means I choose Disk Utility from the Installer's menu and repartition the boot drive as a single partition, Mac OS X Extended (Journaled) format, and use the GUID partition scheme from the options button. At this point, while still in Disk Utility, I would verify the drive under First Aid.
Then I turn the installer loose, and reboot into a working 10.6.3 system, ready for the software updates that take the machine to 10.6.8.
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Mac Mini won't boot after failed XP installation

Recently upgrade HD to 320GB 7200 rpm and 3GB ram. Running 10.5.8 fine.
I tried to install Windows XP through Boot Camp, but wasn't successful, I terminated the installation. Then Mac Mini won't boot up. When powered on, you heard the chime, then grey screen showed and stayed. Tried starting with "C" (boot from CD), "OPT" (boot option), "T" (target), and reset PRAM. None of them worked.
What should I try next?
Thanks
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.
Let me know if you have more problems, maybe I can help.
Abel

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 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?
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Message was edited by: asea

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Hi ..
If you have v10.7 Lion installed, use Lion Recovery to repair the startup disk if necessary, or reinstall the Mac OS X.
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http://docs.info.apple.com/article.html?artnum=106214
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Mac mini won't stop alert sounds

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