Plugging in my Shuffle shuts down my Mac

Plugging the shuffle into any mac in the house shuts down that mac.
There are no lights on the shuffle.
Resetting it from the control does nothing.
Can anyone advise me here?

You do not provide what computer or which OSX you are using.
Try a SMC reset:
http://support.apple.com/kb/HT3964
Follow directions for a battery you should not remove yourself.
If that does not help, bring it to an Apple Genius bar (make an appointment) you may have a bad battery, or connection, or charge circuit, etc...
The diagnosis is free and they will give you options.

Similar Messages

I SCREWD UP AND SHUT DOWN MY MAC WHEN IT WAS IN THE PRIVLEDGES STAGE BECAUSE MY PLUG-INS FOR AFTER EFFECTS WASNT WORKING, WHEN I SHUT IT DOWN AND TRIED TO START IT BACK UP, MY MAC KEPT RESTARTING, TEST-RAN-ERROR..4MOT/1/40000003:HDD-14444? WAT IS THIS?

I SCREWD UP AND SHUT DOWN MY MAC WHEN IT WAS IN THE PRIVLEDGES STAGE BECAUSE MY PLUG-INS FOR AFTER EFFECTS WASNT WORKING, WHEN I SHUT IT DOWN AND TRIED TO START IT BACK UP, MY MAC KEPT RESTARTING, TEST-RAN-ERROR..4MOT/1/40000003:HDD-14444? WAT IS THIS? WAT DO I DO TO GET MY MAC BACK RUNNING

I believe you've posted this multiple times. Once is all that's needed. Also, please don't use all caps. Aside from the fact it means you're shouting it's also harder to read than mixed case.
The error means a bad fan motor or the HDD has failed. In your case it's the latter. You can try the following:
Drive Preparation
1. Boot from your OS X Installer Disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Note the SMART status of the drive in DU's status area. If it does not say "Verified" then the drive is failing or has failed and will need replacing. SMART info will not be reported on external drives. Otherwise, click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Set the format type to Mac OS Extended (Journaled.) Click on the Options button, set the partition scheme to GUID then click on the OK button. Click on the Partition button and wait until the process has completed.
4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
5. Set the format type to Mac OS Extended (Journaled.) Click on the Options button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process can take up to several hours depending upon the drive size.
When formatting has completed quit DU and return to the installer. Complete the OS X installation.

Suddenly Shut Down my mac book pro, late 2011

Hello guys, i need your help.
Last 2 weeks, suddenly my macbookpro shut down, and it makes me shock.
After a few second shut down, i try to turn it on.
it just make sound like turn on your mac and suddenly shut down again.
It shut down for 3 times and more.
When i plug in the charger, it turn on.
But after i unplug the charger it suddenly shut down again.
i try to shut down my mac properly, and when i turn on again it works.
My friends say that it could be my battery, i checked it, and my battery was normal.
And i search about this issue, some people say to reset SMC, i dont know if it would works or not.
Did reset SMC will makes you lose you data or something?
Now, i must plug the charger when i want to turn on my mac.
Did this a serious problem or not? i need you advice guys.
Thanks!

No data is lost due to resetting the SMC.
But after i unplug the charger it suddently shut down again
The problem may be the adapter. Try here > Apple Portables: Troubleshooting MagSafe adapters
Hopefully your important files are backed up just in case.

"Shut Down your Mac" window appear

Hello, just now window with message that I need to turn my Mac was appeared, there was instruction that I need to hold power button for a few seconds. I made it and recived error report:
[quote]
Interval Since Last Panic Report: 5436007 sec
Panics Since Last Report:          1
Anonymous UUID:                    3B48A598-F87D-45DC-9C54-E8FCEC514F82
Sun Feb 10 22:39:29 2013
panic(cpu 3 caller 0xffffff80002c4794): Kernel trap at 0xffffff7f80e10b23, type 14=page fault, registers:
CR0: 0x000000008001003b, CR2: 0x000000040002bdeb, CR3: 0x000000006e3b302f, CR4: 0x00000000000606e0
RAX: 0x000000040002bd93, RBX: 0xffffff8019f9fd10, RCX: 0x000000040002bd93, RDX: 0xffffff800d464d10
RSP: 0xffffff807f85bae0, RBP: 0xffffff807f85baf0, RSI: 0xffffff8019f9fd10, RDI: 0xffffff800d464d10
R8: 0x0000000000000000, R9: 0x0000000000000000, R10: 0xffffff800e058400, R11: 0xffffff7f80db6c30
R12: 0xffffff8019f9fd10, R13: 0xffffff800e058400, R14: 0xffffff800d53bc00, R15: 0xffffff800e058400
RFL: 0x0000000000010203, RIP: 0xffffff7f80e10b23, CS: 0x0000000000000008, SS: 0x0000000000000010
CR2: 0x000000040002bdeb, Error code: 0x0000000000000000, Faulting CPU: 0x3
Backtrace (CPU 3), Frame : Return Address
0xffffff807f85b790 : 0xffffff8000220792
0xffffff807f85b810 : 0xffffff80002c4794
0xffffff807f85b9c0 : 0xffffff80002da55d
0xffffff807f85b9e0 : 0xffffff7f80e10b23
0xffffff807f85baf0 : 0xffffff7f80e0d2f2
0xffffff807f85bb10 : 0xffffff7f80e0e5df
0xffffff807f85bb40 : 0xffffff800063dd21
0xffffff807f85bba0 : 0xffffff7f80e0bfb8
0xffffff807f85bbe0 : 0xffffff800063baeb
0xffffff807f85bc20 : 0xffffff7f80e0bf16
0xffffff807f85bc40 : 0xffffff8000656fbb
0xffffff807f85bd80 : 0xffffff80002a3f08
0xffffff807f85be80 : 0xffffff8000223096
0xffffff807f85beb0 : 0xffffff80002148a9
0xffffff807f85bf10 : 0xffffff800021bbd8
0xffffff807f85bf70 : 0xffffff80002aef10
0xffffff807f85bfb0 : 0xffffff80002daec3
      Kernel Extensions in backtrace:
         com.apple.iokit.IOAudioFamily(1.8.6f18)[8D690452-BF17-3DA0-BCAD-F1BCF1495926]@0 xffffff7f80e03000->0xffffff7f80e2ffff
            dependency: com.apple.kext.OSvKernDSPLib(1.3)[CF50CA5A-4AF6-3E28-B84B-9619535445E7]@0xfffff f7f80dfd000
BSD process name corresponding to current thread: coreaudiod
Mac OS version:
11G63
Kernel version:
Darwin Kernel Version 11.4.2: Thu Aug 23 16:25:48 PDT 2012; root:xnu-1699.32.7~1/RELEASE_X86_64
Kernel UUID: FF3BB088-60A4-349C-92EA-CA649C698CE5
System model name: iMac12,1 (Mac-942B5BF58194151B)
System uptime in nanoseconds: 182546829266205
last loaded kext at 165547627665565: com.apple.filesystems.msdosfs          1.7.1 (addr 0xffffff7f80798000, size 57344)
last unloaded kext at 166466121855806: com.apple.driver.AppleUSBCDC          4.1.22 (addr 0xffffff7f80795000, size 12288)
loaded kexts:
com.apple.driver.AppleHWSensor          1.9.5d0
com.apple.driver.AppleBluetoothMultitouch          70.12
com.apple.driver.IOBluetoothA2DPAudioDriver          4.0.8f17
com.apple.driver.IOBluetoothSCOAudioDriver          4.0.8f17
com.apple.driver.AudioAUUC          1.59
com.apple.driver.AGPM          100.12.75
com.apple.filesystems.autofs          3.0
com.apple.driver.AppleMikeyHIDDriver          122
com.apple.driver.AppleHDA          2.2.5a5
com.apple.driver.AppleMikeyDriver          2.2.5a5
com.apple.driver.AppleUpstreamUserClient          3.5.9
com.apple.kext.ATIFramebuffer          7.3.2
com.apple.iokit.IOUserEthernet          1.0.0d1
com.apple.driver.AppleSMCPDRC          5.0.0d8
com.apple.iokit.IOBluetoothSerialManager          4.0.8f17
com.apple.driver.AppleSMCLMU          2.0.1d2
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.AudioIPCDriver          1.2.3
com.apple.driver.ApplePolicyControl          3.1.33
com.apple.driver.ACPI_SMC_PlatformPlugin          5.0.0d8
com.apple.driver.AppleLPC          1.6.0
com.apple.ATIRadeonX3000          7.3.2
com.apple.driver.AppleBacklight          170.2.2
com.apple.driver.AppleMCCSControl          1.0.33
com.apple.driver.AppleIntelHD3000Graphics          7.3.2
com.apple.driver.BroadcomUSBBluetoothHCIController          4.0.8f17
com.apple.iokit.SCSITaskUserClient          3.2.1
com.apple.driver.AppleUSBCardReader          3.0.6
com.apple.iokit.IOAHCISerialATAPI          2.0.3
com.apple.driver.AppleIRController          312
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.BootCache          33
com.apple.driver.XsanFilter          404
com.apple.iokit.IOAHCIBlockStorage          2.1.0
com.apple.driver.AppleUSBHub          5.1.0
com.apple.driver.AirPort.Atheros40          505.67.1
com.apple.iokit.AppleBCM5701Ethernet          3.2.4b8
com.apple.driver.AppleEFINVRAM          1.6.1
com.apple.driver.AppleFWOHCI          4.9.0
com.apple.driver.AppleAHCIPort          2.3.1
com.apple.driver.AppleUSBEHCI          5.1.0
com.apple.driver.AppleACPIButtons          1.5
com.apple.driver.AppleRTC          1.5
com.apple.driver.AppleHPET          1.7
com.apple.driver.AppleSMBIOS          1.9
com.apple.driver.AppleACPIEC          1.5
com.apple.driver.AppleAPIC          1.6
com.apple.driver.AppleIntelCPUPowerManagementClient          195.0.0
com.apple.nke.applicationfirewall          3.2.30
com.apple.security.quarantine          1.4
com.apple.security.TMSafetyNet          8
com.apple.driver.AppleIntelCPUPowerManagement          195.0.0
com.apple.driver.AppleBluetoothHIDKeyboard          160.7
com.apple.driver.AppleHIDKeyboard          160.7
com.apple.driver.AppleMultitouchDriver          231.4
com.apple.driver.IOBluetoothHIDDriver          4.0.8f17
com.apple.kext.triggers          1.0
com.apple.driver.DspFuncLib          2.2.5a5
com.apple.iokit.IOSurface          80.0.2
com.apple.iokit.IOSerialFamily          10.0.5
com.apple.iokit.IOFireWireIP          2.2.5
com.apple.iokit.IOAudioFamily          1.8.6fc18
com.apple.kext.OSvKernDSPLib          1.3
com.apple.driver.AppleHDAController          2.2.5a5
com.apple.iokit.IOHDAFamily          2.2.5a5
com.apple.driver.AppleSMC          3.1.3d10
com.apple.driver.IOPlatformPluginLegacy          5.0.0d8
com.apple.driver.AppleSMBusPCI          1.0.10d0
com.apple.driver.AppleGraphicsControl          3.1.33
com.apple.driver.IOPlatformPluginFamily          5.1.1d6
com.apple.driver.AppleBacklightExpert          1.0.4
com.apple.driver.AppleThunderboltEDMSink          1.1.8
com.apple.driver.AppleThunderboltEDMSource          1.1.8
com.apple.driver.AppleSMBusController          1.0.10d0
com.apple.kext.ATI6000Controller          7.3.2
com.apple.kext.ATISupport          7.3.2
com.apple.iokit.IONDRVSupport          2.3.4
com.apple.driver.AppleIntelSNBGraphicsFB          7.3.2
com.apple.iokit.IOGraphicsFamily          2.3.4
com.apple.driver.AppleThunderboltDPOutAdapter          1.8.5
com.apple.driver.AppleThunderboltDPInAdapter          1.8.5
com.apple.driver.AppleThunderboltDPAdapterFamily          1.8.5
com.apple.driver.AppleThunderboltPCIDownAdapter          1.2.5
com.apple.driver.AppleUSBBluetoothHCIController          4.0.8f17
com.apple.iokit.IOBluetoothFamily          4.0.8f17
com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.2.1
com.apple.iokit.IOBDStorageFamily          1.7
com.apple.iokit.IODVDStorageFamily          1.7.1
com.apple.iokit.IOCDStorageFamily          1.7.1
com.apple.iokit.IOSCSIBlockCommandsDevice          3.2.1
com.apple.iokit.IOUSBMassStorageClass          3.0.3
com.apple.iokit.IOSCSIArchitectureModelFamily          3.2.1
com.apple.iokit.IOUSBHIDDriver          5.0.0
com.apple.driver.AppleUSBMergeNub          5.1.0
com.apple.driver.AppleUSBComposite          5.0.0
com.apple.driver.AppleThunderboltNHI          1.6.0
com.apple.iokit.IOThunderboltFamily          2.0.3
com.apple.iokit.IOUSBUserClient          5.0.0
com.apple.iokit.IO80211Family          420.3
com.apple.iokit.IOEthernetAVBController          1.0.1b1
com.apple.iokit.IONetworkingFamily          2.1
com.apple.iokit.IOFireWireFamily          4.4.8
com.apple.iokit.IOAHCIFamily          2.0.8
com.apple.iokit.IOUSBFamily          5.1.0
com.apple.driver.AppleEFIRuntime          1.6.1
com.apple.iokit.IOHIDFamily          1.7.1
com.apple.iokit.IOSMBusFamily          1.1
com.apple.security.sandbox          177.8
com.apple.kext.AppleMatch          1.0.0d1
com.apple.driver.DiskImages          331.7
com.apple.iokit.IOStorageFamily          1.7.2
com.apple.driver.AppleKeyStore          28.18
com.apple.driver.AppleACPIPlatform          1.5
com.apple.iokit.IOPCIFamily          2.7
com.apple.iokit.IOACPIFamily          1.4
Model: iMac12,1, BootROM IM121.0047.B1F, 4 processors, Intel Core i5, 2.5 GHz, 4 GB, SMC 1.71f22
Graphics: AMD Radeon HD 6750M, AMD Radeon HD 6750M, PCIe, 512 MB
Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1333 MHz, 0x02FE, 0x45424A3231554538424655302D444A2D4620
Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1333 MHz, 0x02FE, 0x45424A3231554538424655302D444A2D4620
AirPort: spairport_wireless_card_type_airport_extreme (0x168C, 0x9A), Atheros 9380: 4.0.67.5-P2P
Bluetooth: Version 4.0.8f17, 2 service, 18 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en1
Serial ATA Device: ST3500418AS, 500,11 GB
Serial ATA Device: OPTIARC DVD RW AD-5690H
USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x850b, 0xfa200000 / 3
USB Device: hub_device, 0x0424 (SMSC), 0x2514, 0xfa100000 / 2
USB Device: BRCM2046 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0xfa110000 / 4
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8215, 0xfa111000 / 5
USB Device: hub_device, 0x0424 (SMSC), 0x2514, 0xfd100000 / 2
USB Device: IR Receiver, apple_vendor_id, 0x8242, 0xfd120000 / 4
USB Device: Internal Memory Card Reader, apple_vendor_id, 0x8403, 0xfd110000 / 3[/quote]
Can anyone explain me what it was?

Why would you want a start button to stop something?
Seriously, I would not routinely shut down your Mac. It is not necessary. Just set it to sleep in System Preferences > Energy Saver.
When you are not using it, just walk away. Things will work better that way. Most of my Macs don't get shut down except while restarting them for software updates. This might be once every couple of months.

Can i create mcx for shut down properly mac when battery is less 5 %

Hi hello
Can i create mcx for shut down properly mac when battery is less 5 % ?
Thanks for your reply

You can create a mailing list by using the "Groups" feature of Address Book. Simply select "New Group" from the File menu. Name the group, and drag the contacts you need into the group.
In Mail, open up Preferences (under the Mail menu), and click on "Composing". Then make sure that "When sending to a group, show all member addresses" is unchecked.
The auto reply is a feature that is better done on your mail server, as you Mac can only send an auto reply when it is on, with the Mail application open. If you use dot Mac, you can set up a vacation responder through the web, and you can leave your computer switched off.
If you really want to leave your Mac on when you are on holiday, you can set up a mail rule (Preferences, Rules).

Can't shut down my Mac desktop

Ok, so I bought a Mac to get away from PC's, and only after two days of having it, I can't shut it down. I thought Mac's weren't supposed to have this problem. Here's the deal: I downloaded MS Office and then ran the software update. It said I had to shut down Mozilla in order to finish the install. I have tried force "quitting" Mozilla, but it won't shut down. So, I tried to stop the installation and when I force "quit" it it tells me "The Window can't be closed." So, I tried to shut down my mac and it says I have to stop the install in order to shut it down. Are you serious? I bought a Mac to get away from this problem, unfortunately I am still stuck with silly little issues like this! Please help! What do I do?

Welcome to the Apple Discussions and Mac-computing.
First, what have you done to try and force quit Mozilla? Do you mean Firefox? Did you try control-click on the dock icon? Or from the drop-down click on force quit? Or command-option-esc?
How did you download MS Office? From MS or another site?
How did you try to shutdown the Mac?

My menu bar does not appear at the top of my homepage on a brand new 27" iMac only when i pull up an app. this does not allow me to shut down my mac when all apps are closed nor does it all me to use finder. any help would be awesome

My menu bar does not appear at the top of my homepage on a brand new 27" iMac only when i pull up an app. this does not allow me to shut down my mac when all apps are closed nor does it all me to use finder. any help would be awesome

Press the escape (esc) key to exit full-screen mode.

A window has frozen on my macbook and i cant shut down my mac.

a window has frozen on my macbook and i cant shut down my mac on system prefrences.
is there nother way i can shut down my mac to get rid of this window

How to Quit an Unresponsive Application using Force Quit - http://support.apple.com/kb/ht3411.

Hi, I cannot restart or shut down my MAC and get the message Geneio.it installer is cancelling your request. Please shut down and retry. However, I cannot seem to exit that application and I have no idea where it came from. Thanks

Hi, I cannot restart or shut down my MAC and get the message Geneio.it installer is cancelling your request. Please shut down and retry. However, I cannot seem to exit that application and I have no idea where it came from. Thanks
Could this be a virus?

Hold down the Power button until the computer shuts down.
The Safe Mac » Adware Removal Guide - Genieo
The Safe Mac » Adware Removal Guide
Helpful Links Regarding Malware Protection
An excellent link to read is Tom Reed's Mac Malware Guide.
Also, visit The XLab FAQs and read Detecting and avoiding malware and spyware.
See these Apple articles:
          Mac OS X Snow Leopard and malware detection
          OS X Lion- Protect your Mac from malware
          OS X Mountain Lion- Protect your Mac from malware
          About file quarantine in OS X
If you require anti-virus protection Thomas Reed recommends using Dr.Web Light from the App Store. It's free, and since it's from the App Store, it won't destabilize the system. If you prefer one of the better known commercial products, then Thomas recommends using Sophos.(Thank you to Thomas Reed for these recommendations.) If you already use Sophos, then be aware of this if you are using Mavericks: OS X Mavericks- Sophos Anti-Virus on-access scanner versions 8.0 - 9.1 may cause unexpected restarts
From user Joe Bailey comes this equally useful advice:
The facts are:
1. There is no anti-malware software that can detect 100% of the malware out there.
2. There is no anti-malware that can detect anything targeting the Mac because there
     is no Mac malware in the wild, and therefore, no "signatures" to detect.
3. The very best way to prevent the most attacks is for you as the user to be aware that
     the most successful malware attacks rely on very sophisticated social engineering
     techniques preying on human avarice, ****, and fear.
4. Internet popups saying the FBI, NSA, Microsoft, your ISP has detected malware on
    your computer is intended to entice you to install their malware thinking it is a
    protection against malware.
5. Some of the anti-malware products on the market are worse than the malware
    from which they purport to protect you.
6. Be cautious where you go on the internet.
7. Only download anything from sites you know are safe.
8. Avoid links you receive in email, always be suspicious even if you get something
    you think is from a friend, but you were not expecting.
9. If there is any question in your mind, then assume it is malware.

How do you Shut Down your Mac?

I just converted from Windows to Mac yesterday and today I'm trying to shut down my Mac, but there's no Start button! How can I get my Start Button back?

Why would you want a start button to stop something?
Seriously, I would not routinely shut down your Mac. It is not necessary. Just set it to sleep in System Preferences > Energy Saver.
When you are not using it, just walk away. Things will work better that way. Most of my Macs don't get shut down except while restarting them for software updates. This might be once every couple of months.

HT201250 Can I shut down my mac in the middle of a time capsule backup?

If I shut down my mac when time capsule is processing a backup, will it cause any problems?

Only a minor problem. The backup will be cancelled, so after you start your Mac up, the next backup will have to do a "deep scan" to figure out what's changed since the last (completed) backup. That will take somewhat longer than usual.

I inserted a burnt disc into my macbook pro and iTunes froze, had to shut down my mac in order to eject the disc. Is it not possible to transfer music from homemade cds onto my mac?

I inserted a burnt disc into my macbook pro and iTunes froze, had to shut down my mac in order to eject the disc. Is it not possible to transfer music from homemade cds onto my mac?

Yes, it is possible.
You had an issue in this individual instance.

My iPhoto videos are not showing up in iMovie? I have quit, shut down my Mac and they still are not showing up? What can I do to resolve this?

My iPhoto videos are not showing up in iMovie? I have quit, shut down my Mac and they still are not showing up? What can I do to resolve this?

It is also posible to go back to the imovie you had before, it is still on your computer - you go to Finder and it is in a folder in your programs. Many others have gone back to the old program, and perhaps I am also going to do that too.
In the new imovie it does not come up the question "do you want to download these videos ...."
You shall in imovie open your iphotolibrary in top on the left side,( it is standing under libraries) and you can see all the events you have in iphoto, then you can open the event, you shall use and drag the movies and pictures from the events in iphoto to an events in imovie. If you can,t see your libraries, you can click on a show button on top of the left side.
On the picture you see here iphoto is market on the top of the left side and the pictures to the left is my iphoto-events - and there I can open the one I shall use, and find my movies.
I

Accidently shut down my Mac Book Pro during Windows 7 installation . When re-starting it says "Press any key to boot from CD or DVD". But keybord is not working . and i have the windows CD inside the drive . Pls hlp me to boot the mac again .

I have accidently shut down my Mac Book Pro during windows 7 installation . When I re started it it began to say " Press any key to boot from CD or DVD " but the keyboard is not working . So I cannot boot It and the CD is also in the drive . Please help me to boot back to Mac book Pro and give me a way to start the key bord .

Hey rudreshchoubey,
Thanks for the question. The following resource may help to resolve your issue:
Boot Camp Installation & Setup Guide
http://manuals.info.apple.com/MANUALS/1000/MA1636/en_US/boot_camp_install-setup_ 10.8.pdf
If Windows doesn’t install properly
Verify that you’re using an original, full version of the 64-bit version of Windows 7 Home Premium, Windows 7 Professional, Windows 7 Ultimate, Windows 8, or Windows 8 Pro.
Restart your Mac and hold down the Option key until one or more disk icons appear on your screen. Insert the Windows installation disc into the optical drive or insert the USB flash drive with Windows into a USB port on your Mac. Select the Windows installation disk icon, then click the arrow beneath it. Quickly press any key on your keyboard to start the installer. Follow the onscreen instructions to repair or reinstall Windows.
Thanks,
Matt M.

My mac os x version 10.7.4 i am being unable to shut down my mac unless i press the power key. pls help me ....

my mac os x version is 10.7.4 i am being unable to shut down my mac unless i press the power key. pls help me ....

No, but you do at least have to buy Snow Leopard. Whether you can run it depends on what iMac you have:
Requirements for OS X 10.6 'Snow Leopard'
http://support.apple.com/kb/SP575
Whilst Apple have withdrawn Snow Leopard from download, you can still get it from Apple by calling 1-800-MY-APPLE (if you are in the USA) and they will supply the SL DVD for $30. You can also purchase the code to use to download Lion from the same number.
If you are outside the US call your national Apple Helpline:
http://support.apple.com/kb/HE57

Plugging in my Shuffle shuts down my Mac

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