Shutting down after certain time

I would like to use my mac to listen to before I go to sleep. Is there a function where I can set the computer to go to sleep after half an hour or so after I decide, not a set time every night? Maybe there is a widget or something, I know there is one for going to sleep, is this the best I can do? Cheers

Hi again:
(Chuckling at myself), that is very true!
As you know, you can tell the computer to shut down on a schedule (energy saver), but I do not know of anything that would do what you want.
Barry
P.S. I hunted a bit, but could not find anything relevant (other posts).

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    com.apple.driver.ApplePlatformEnabler          2.0.7d2
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    com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport          4.1.7f4
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    com.apple.driver.AppleSMCLMU          2.0.3d0
    com.apple.driver.AppleSMBusPCI          1.0.11d1
    com.apple.driver.AppleLPC          1.6.3
    com.apple.driver.AppleIntelFramebufferCapri          8.1.6
    com.apple.iokit.IOUserEthernet          1.0.0d1
    com.apple.Dont_Steal_Mac_OS_X          7.0.0
    com.apple.driver.ApplePolicyControl          3.4.5
    com.apple.driver.AppleSMCPDRC          1.0.0
    com.apple.driver.AppleMuxControl          3.4.5
    com.apple.driver.AppleMCCSControl          1.1.11
    com.apple.iokit.SCSITaskUserClient          3.5.6
    com.apple.driver.AppleUSBTCButtons          237.1
    com.apple.driver.AppleUSBODD          3.3.1
    com.apple.driver.AppleUSBTCKeyboard          237.1
    com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
    com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
    com.apple.BootCache          34
    com.apple.driver.XsanFilter          404
    com.apple.iokit.IOAHCIBlockStorage          2.3.5
    com.apple.driver.AppleSDXC          1.4.3
    com.apple.driver.AppleUSBHub          635.4.0
    com.apple.driver.AirPort.Brcm4331          615.20.17
    com.apple.driver.AppleAHCIPort          2.6.6
    com.apple.driver.AppleUSBEHCI          621.4.6
    com.apple.driver.AppleUSBXHCI          635.4.0
    com.apple.driver.AppleIntelCPUPowerManagementClient          214.0.0
    com.apple.driver.AppleSmartBatteryManager          161.0.0
    com.apple.driver.AppleHPET          1.8
    com.apple.driver.AppleACPIButtons          1.8
    com.apple.driver.AppleRTC          1.5
    com.apple.driver.AppleSMBIOS          1.9
    com.apple.driver.AppleACPIEC          1.8
    com.apple.driver.AppleAPIC          1.7
    com.apple.nke.applicationfirewall          4.0.39
    com.apple.security.quarantine          2.1
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    com.apple.driver.AppleBluetoothHIDKeyboard          170.2.4
    com.apple.driver.AppleHIDKeyboard          170.2.4
    com.apple.driver.IOBluetoothHIDDriver          4.1.7f2
    com.apple.driver.AppleMultitouchDriver          237.4
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    com.apple.iokit.IOBluetoothHostControllerUSBTransport          4.1.7f2
    com.apple.driver.X86PlatformPlugin          1.0.0
    com.apple.iokit.IOAcceleratorFamily          74.15
    com.apple.driver.AppleHDAController          2.4.7fc4
    com.apple.iokit.IOHDAFamily          2.4.7fc4
    com.apple.iokit.IOSurface          86.0.4
    com.apple.iokit.IOBluetoothFamily          4.1.7f2
    com.apple.driver.AppleSMC          3.1.5d4
    com.apple.driver.IOPlatformPluginFamily          5.4.1d13
    com.apple.driver.AppleGraphicsControl          3.4.5
    com.apple.driver.AppleBacklightExpert          1.0.4
    com.apple.iokit.IONDRVSupport          2.3.7
    com.apple.driver.AppleSMBusController          1.0.11d1
    com.apple.iokit.IOGraphicsFamily          2.3.7
    com.apple.iokit.IOSCSIBlockCommandsDevice          3.5.6
    com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.5.6
    com.apple.iokit.IOBDStorageFamily          1.7
    com.apple.iokit.IODVDStorageFamily          1.7.1
    com.apple.iokit.IOCDStorageFamily          1.7.1
    com.apple.iokit.IOUSBMassStorageClass          3.5.2
    com.apple.iokit.IOSCSIArchitectureModelFamily          3.5.6
    com.apple.driver.AppleThunderboltDPInAdapter          2.5.0
    com.apple.driver.AppleThunderboltDPAdapterFamily          2.5.0
    com.apple.driver.AppleThunderboltPCIDownAdapter          1.3.2
    com.apple.driver.AppleUSBMultitouch          237.3
    com.apple.iokit.IOUSBHIDDriver          623.4.0
    com.apple.driver.AppleUSBMergeNub          621.4.6
    com.apple.driver.AppleUSBComposite          621.4.0
    com.apple.driver.CoreStorage          296.18.2
    com.apple.driver.AppleThunderboltNHI          1.9.2
    com.apple.iokit.IOThunderboltFamily          2.7.7
    com.apple.iokit.IO80211Family          530.5
    com.apple.iokit.IONetworkingFamily          3.0
    com.apple.iokit.IOUSBUserClient          630.4.4
    com.apple.iokit.IOAHCIFamily          2.5.1
    com.apple.iokit.IOUSBFamily          635.4.0
    com.apple.driver.AppleEFINVRAM          2.0
    com.apple.driver.AppleEFIRuntime          2.0
    com.apple.iokit.IOHIDFamily          1.8.1
    com.apple.iokit.IOSMBusFamily          1.1
    com.apple.security.sandbox          220.3
    com.apple.kext.AppleMatch          1.0.0d1
    com.apple.security.TMSafetyNet          7
    com.apple.driver.DiskImages          345
    com.apple.iokit.IOStorageFamily          1.8
    com.apple.driver.AppleKeyStore          28.21
    com.apple.driver.AppleACPIPlatform          1.8
    com.apple.iokit.IOPCIFamily          2.8
    com.apple.iokit.IOACPIFamily          1.4
    com.apple.kec.corecrypto          1.0
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    Graphics: Intel HD Graphics 4000, Intel HD Graphics 4000, Built-In, 512 MB
    Graphics: NVIDIA GeForce GT 650M, NVIDIA GeForce GT 650M, PCIe, 1024 MB
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    Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1600 MHz, 0x802C, 0x384A54463235363634485A2D3147364D3120
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    Dear all,
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    The problem is as follows: my relatively new (bought in december '09) MacBook Pro 13" (2.53 GHz Intel Core 2 Duo, 4 GB RAM) has a problem: always when I leave it untouched for one hour, something within the system would try to make the computer shut down (system halt). Please note right that this seems NOT to be a hardware-related issue (al least not simply a bad mother-board or sth. similar - there are a lot of threads about MacBooks that seem to shut down immediately, like fainting - this is not the case here). Instead, the system behaves like anytime when a user-requested shut down is invoked - for example, the running applications would check if any changes should be saved, and ask questions. The only thing is: I did not request a system shut down, and even more: I do not WANT the system to shut down. In fact, this whole problem is extremely annoying, since it constantly messes up my open documents (e.g. the TextMate workspace I usually set up, or similar things), forcing me to reestablish my workspace at least once a day. Over time, this can be very annoying for a computer that's used for work!!
    During the course of my earlier discussions in the forum, we tried to find out what makes the computer go down - looking through the system log files etc. - but to no avail: we couldn't trace back the event that has caused the system to invoke the shut down procedure. However, it seems that this issue is related to the Mac operating system, and not the hardware - and this is why I ask this question here (and not in the MacBook Pro section). It may be that we simply didn't look in the right place - or not with the right tools - and I hope that there may be some people here with some new ideas how to trace the reason for this procedure. Everything I can tell now with some certainty (and I couldn't do it before in the usenet forum) is that the shutdown seems to be invoked about one hour after the system has been left untouched by a user (no key strokes, no mouse movements); I know this because I use my Mac for a wake up call now - and, since I sometimes need more than an hour for that, I can tell that this problem causes iTunes to quit one hour after the Mac has booted (which makes my wake-up music to switch off... and some of the running applications with no changes to save).
    It would be very important for me to solve and remove this annoying problem, and I think that this really shouldn't happen! Needless to say, I haven't set the energy savings settings such that the system would shut down after one hour (in fact, I have set the system to always stay on when attached to a power supply); still, the problem prevails.
    Does anyone of You specialists have a good clue or smart suggestion where (or probably how) else to look to find out what causes the shutdown? Thanks a lot for taking the time and considering this annoying problem!
    Best,
    Björn

    Yes - it is a bit frightening... Had other Macs before this MacBook (Pro), and never experienced such a problem. Don't know - of course I look into the Preference settings from time to time, and maybe I have changed that setting on the other computers... it never occurred to me...
    What an annoyance such a simple decision to make the auto-shutdown after one hour a default can be! Probably, Apple reconsiders :-D I'd rather prefer an auto-lock of the account (instead of an auto-log off)... but I believe it has been expressed often enough that, in this particular case, the - pardon me - Windows-solution (to offer a simple lock of the account, the Windows-L-key combination, IIRC) is much more practical... to copy that behaviour under Mac OS X, You'd have to go through lengths...
    Anyway! Pondind, thank You very much!!! Solved a kind of embarassing, but huge problem of mine!
    Best,
    Björn

  • MacBook Retina shuts down after a few seconds after every boot

    Hi there
    My retina macbook keeps shutting down after booting and rebooting by its own a minute later. No error message is displayed or anything like it, it just magically shuts down.
    It had been working fine until now but it seems to be going crazy for whatever reason...
    When it shuts down by itself, I can't turn it on myself. It does it on its own even if the lid is closed and then shuts down again after about 30 seconds.
    This only happens when it's connected to a power source (it doesn't even start when it's not).
    I have tried to reset the PRAM without success.
    The only time the issue doesn't happen is when I do a Safe Boot.
    Can anybody tell me what is up with my Macbook (I really need it for work AND school).
    Thanks

    Have you done a SMC reset?
    http://support.apple.com/en-us/HT201295
    Run an Apple Hardware Test:
    http://support.apple.com/en-us/HT201257
    Download and post an EtreCheck report:
    http://www.etresoft.com/etrecheck
    Ciao.

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