Computer shuts down at start

Hi everyone,
I have just bought a new computer with motherboard MSI K8N NEO FSR (the rest should be in the signature) and put it together. The problem is that almost emidietly after starting it, it shuts down again. Sometimes (when I've waited for a long time) it goes a bit further and ones it even began installing XP before it shutt down.
I've tried to run without the fanmate 2 belonging to my Zalman fan but without effect. I've also tried putting the PSU(Antec TruePower 380W) fan both to the "only fan" connector and to a regular one.
When I have the CMOS pin at "keep" my computer behavs as above, shutting of att different times. Having CMOS at "clear" it always shuts off at the same time, after about 5 secs before anything is visible on the screen.
My guess is that the motherboard doesn't understand that the fans are running and therefore shuts the computer down. A bit similar to a problem adressed in the FAQ but since I can't start my computer the problem isn't the same and naturaly I can't investigate any temperaturs and so on.
Can anyone help me?
Regards

You found the problem, Antec TruePower 380W only gives:
+5V: 35A
+12: 18A
+3.3: 28A
Which of course sucks a lot in my case, maybe TruePower isn't the right name.
I think the current requirements is something MSI should have in the product info, how am I supposed to know this? Sure, I could have read that tread before ordering it but it didn't occur to me that a 380W PSU wouln't be enough.
Now, when I criticized both Antec and MSI I will go onto the computer store who let me make such a stupid choice of components . I see them selling complete computers with my PSU and MSI K8N Neo Platinum, is the Platinum somehow less powerconsuming? Or is there some other solution?

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Computer shuts down and starts up by itself. I have 27" mid-2011 model. Has been like this for 2 years now. The hard drive and the mother board has been replaced already. No help, the problem still returns.

This morning it started again.
When I write the word "shut" to console it says:
kernel[0] Previous shutdown cause: 0
locationd[55] locationd was started after an unclean shutdown
kernel[0] Previous shutdown cause: -128
locationd[55] locationd was started after an unclean shutdown
locationd[54] locationd was started after an unclean shutdown
kernel[0] Previous shutdown cause: 3
Yosemite is installed. But the problem has happened with every operating systems.
Disk utility can't find any problems.
No usb or other devices are connected.
I deleted the file: com.apple.PowerManagement.plist (someone suggested that it may help)
I think it's not the matter of heat, because the problem occurs right away when starting my comp.
With a safe mode it sometimes stays up for hours. So could it be a problem with applications, rather than hardware?
Help is highly appreciated!
Thank you!

Thank you, I did ran etrecheck.
Here's the result.
Now my computer did shuts down even in safe mode, sometimes in seconds.
So I have to keep this short.
Hardware Information: ℹ️
    iMac (27-inch, Mid 2011)
    iMac - model: iMac12,2
    1 2.7 GHz Intel Core i5 CPU: 4-core
    4 GB RAM Upgradeable
        BANK 0/DIMM0
            2 GB DDR3 1333 MHz ok
        BANK 1/DIMM0
            2 GB DDR3 1333 MHz ok
        BANK 0/DIMM1
            Empty
        BANK 1/DIMM1
            Empty
    Bluetooth: Old - Handoff/Airdrop2 not supported
    Wireless: en1: 802.11 a/b/g/n
Video Information: ℹ️
    AMD Radeon HD 6770M - VRAM: 512 MB
        iMac 2560 x 1440
System Software: ℹ️
    OS X 10.10.1 (14B25) - Time since boot: 0:2:47
Disk Information: ℹ️
    ST2000DM001-1CH164 disk0 : (2 TB)
        EFI (disk0s1) <not mounted> : 210 MB
        Macintosh HD (disk0s2) / : 2.00 TB (1.68 TB free)
        Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
    OPTIARC DVD RW AD-5680H
USB Information: ℹ️
    Apple Inc. FaceTime HD Camera (Built-in)
    Apple Inc. BRCM2046 Hub
        Apple Inc. Bluetooth USB Host Controller
    Apple Computer, Inc. IR Receiver
    Apple Internal Memory Card Reader
Thunderbolt Information: ℹ️
    Apple Inc. thunderbolt_bus
Gatekeeper: ℹ️
    Mac App Store and identified developers
Kernel Extensions: ℹ️
        /Library/Extensions
    [not loaded]    com.wacom.kext.ftdi (1 - SDK 10.9)
        /System/Library/Extensions
    [not loaded]    com.wacom.kext.wacomtablet (6.3.10 - SDK 10.9)
Problem System Launch Daemons: ℹ️
    [failed]    com.apple.systemstatsd.plist
    [failed]    com.apple.ucupdate.plist
    [failed]    com.apple.watchdogd.plist
Launch Agents: ℹ️
    [not loaded]    com.adobe.AAM.Updater-1.0.plist
    [not loaded]    com.adobe.AdobeCreativeCloud.plist
    [not loaded]    com.wacom.wacomtablet.plist
Launch Daemons: ℹ️
    [not loaded]    com.adobe.adobeupdatedaemon.plist
    [not loaded]    com.adobe.fpsaud.plist
    [not loaded]    com.microsoft.office.licensing.helper.plist
User Launch Agents: ℹ️
    [not loaded]    com.adobe.AAM.Updater-1.0.plist
    [not loaded]    com.adobe.ARM.[...].plist
    [not loaded]    com.spotify.webhelper.plist
User Login Items: ℹ️
    iTunesHelper    Ohjelma (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
    Spotify    Ohjelma (/Applications/Spotify.app)
    SpyderUtility    Ohjelma (/Applications/Datacolor/Spyder4Pro/Support/SpyderUtility.app)
Internet Plug-ins: ℹ️
    AdobeAAMDetect: Version: AdobeAAMDetect 2.0.0.0 - SDK 10.7
    FlashPlayer-10.6: Version: 16.0.0.305 - SDK 10.6
    QuickTime Plugin: Version: 7.7.3
    AdobePDFViewerNPAPI: Version: 11.0.10 - SDK 10.6
    AdobePDFViewer: Version: 11.0.10 - SDK 10.6
    Flash Player: Version: 16.0.0.305 - SDK 10.6
    Default Browser: Version: 600 - SDK 10.10
    SharePointBrowserPlugin: Version: 14.1.0
    Silverlight: Version: 5.1.30514.0 - SDK 10.6
    WacomTabletPlugin: Version: WacomTabletPlugin 2.1.0.6 - SDK 10.9
3rd Party Preference Panes: ℹ️
    Flash Player [Click for support]
    WacomTablet [Click for support]
Time Machine: ℹ️
    Mobile backups: OFF
    Auto backup: NO - Auto backup turned off
    Volumes being backed up:
        Macintosh HD: Disk size: 2.00 TB Disk used: 316.51 GB
    Destinations:
        My Book [Local]
        Total size: 2.00 TB
        Total number of backups: 8
        Oldest backup: 2013-11-03 12:06:31 +0000
        Last backup: 2015-02-17 10:06:36 +0000
        Size of backup disk: Adequate
            Backup size 2.00 TB > (Disk used 316.51 GB X 3)
Top Processes by CPU: ℹ️
         2%    WindowServer
         0%    AppleSpell
         0%    ps
         0%    fontd
         0%    launchd
Top Processes by Memory: ℹ️
    94 MB    Finder
    86 MB    WindowServer
    73 MB    Spotlight
    69 MB    com.apple.internetaccounts
    64 MB    NotificationCenter
Virtual Memory Information: ℹ️
    589 MB    Free RAM
    1.91 GB    Active RAM
    1.34 GB    Inactive RAM
    451 MB    Wired RAM
    1.04 GB    Page-ins
    193 KB    Page-outs
Diagnostics Information: ℹ️
    Feb 27, 2015, 12:16:17 PM    /Library/Logs/DiagnosticReports/WacomTabletDriver_2015-02-27-121617_[redacted]. crash
    Feb 27, 2015, 12:08:32 PM    /Users/[redacted]/Library/Logs/DiagnosticReports/fontd_2015-02-27-120832_[redac ted].crash
    Feb 26, 2015, 08:19:12 AM    /Library/Logs/DiagnosticReports/WacomTabletDriver_2015-02-26-081912_[redacted]. crash
    Feb 27, 2015, 12:46:20 PM    Self test - passed

Computer shuts down after start up

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Welcome to Apple Support Communities
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Matze S
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I've posted this in two other forums to no avail -- lots of views, but no help.
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I've posted this in two other forums to no avail -- lots of views, but no help.
My family now has 3 ipods (we only had 1 before) and yesterday I was trying to get them all set up - updates on the actual ipod, and I've updated itunes to 7.5. There are two issues here:
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Windows XP Home Edition (all updated except for microsoft office 2003)
Service Pack 2
AMD Athalon 64 3000+
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Power Mac G4 Shuts down at start up

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Computer shuts down after 5-15 minutes

After 5-15 minutes of inactivity the computer shuts down when on battery. As long as the computer stays active, it will not shut down; ie: netflix watch now not a problem.
Support had me do a hard reset with battery removed; repair permissions; and reset pram; but the problem continues. The Leopard I am using is an upgrade, clean install with latest update. This behavior does not occur when I run the computer off of an external usb inclosure with old Tiger operating system, running on the original disk . So this suggests to me that it is a software and not hardware problem. Also when plugged in the computer will eventually quit and restart on its own.
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Just curious. When did this problem start? Possibly when you upgraded from 10.4 to 10.5? (10.4.11 to 10.5.5 even?).
I'm having similar though not identical issues with battery performance that started the day I upgraded to 10.5.5 from 10.4.11.
See this thread: http://discussions.apple.com/thread.jspa?threadID=1745812&tstart=0

Computer shuts down at start

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