Why does my mac pro freeze on start up ?

Why does my mac pro freeze on start up ? Some times this three or four times before i can get it to start correctly.

Model Name:          Mac Pro
  Model Identifier:          MacPro4,1
  Processor Name:          Quad-Core Intel Xeon
  Processor Speed:          2.26 GHz
  Number Of Processors:          2
  Total Number Of Cores:          8
  L2 Cache (per core):          256 KB
  L3 Cache (per processor):          8 MB
  Memory:          6 GB
  Processor Interconnect Speed:          5.86 GT/s
  Boot ROM Version:          MP41.0081.B07
  SMC Version (system):          1.39f5
  SMC Version (processor tray):          1.39f5
  Sorry i am new to mac & communities , when you say repair the drives and clone the system  what do you mean ?

Similar Messages

  • Why does my Mac Pro try to start up from a blank drive?

    I fitted a 2nd drive to my 2006 Mac Pro in anticipation of dual booting Windows (not done yet). The dive is FAT formatted but is empty. Why does the Mac Pro try to boot up from that drive every time I start it up, despite having set the startup disc as OS X in the System Prefs?! Getting sick of seeing the flashing folder with the question mark evry time I start it up.

    I might be inclined to think the problem is really on your startup drive. You might try reinstalling Snow Leopard.
    Also, try:
    Resetting your Mac's PRAM and NVRAM
    Reinstall OS X without erasing the drive
    Do the following:
    1. Repair the Hard Drive and Permissions
    Boot from your Snow Leopard 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. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list.  In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive.  If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
    If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
    2. Reinstall Snow Leopard
    If the drive is OK then quit DU and return to the installer.  Proceed with reinstalling OS X.  Note that the Snow Leopard installer will not erase your drive or disturb your files.  After installing a fresh copy of OS X the installer will move your Home folder, third-party applications, support items, and network preferences into the newly installed system.
    Download and install the Combo Updater for the version you prefer from support.apple.com/downloads/.

  • Why does my mac pro gets extremly hot about 20 min or so that im on and freezes about a 1 hour that im on then i have to power off etc can u help me pls

    why does my mac pro gets extrwhy does my mac pro gets extremly hot about 20 min or so that im on and freezes about a 1 hour that im on then i have to power off etc can u help me pls

    You can find out what processes are loading your system by running Application Monitor (in Launchpad > Utilities if you're running Lion or Launchpad > Other under Mountain Lion). Select "All Processes". Sort the display by CPU% (click on the label of that column). What processes show over 10% CPU?
    Also, when you click on the CPU button on the lower bar, what shows as your % idle? (Mine is showing about 98% just reading and posting here.)
    If no process is causing the heat, you could have a hardware problem.

  • Why does my mac sometimes freeze when waking up?

    Why does my mac sometimes freeze when waking up?  It only happens sometimes, but also happens spontaneously.  21' iMac 2011 model.  It just started recenlty after a new firmware update from apple.  Any advice or reasons why would be appreciated.

    boot to lion recovery and run verify/repair on the hard drive. verify will say: appears to be okay OR needs to be repaired. No matter what outcome, you will repair anyways (as it will do some updating on the volume)
    Process: hold command R during startup/ wait till you see mac os utility (might have to select english as the main language first) then disk utility/ select macintosh HD on the left, and then verify/repair on the right bottom side. Cheers!

  • Why does Acrobat XI PRO freeze during save or save as tasks in Window 8?

    Why does Acrobat XI PRO freeze during save or save as tasks in Window 8?  It is intermittent, but CHRONIC, and I am forced to "repair" the installation, or reboot by computer.  This has been a problem since upgrading to Windows 8 and installing the only Acrobat XI update.  Feedback most welcome and appreciated, but an Adobe FIX would be the best solution.

    10/4 to all, same problem here with Save or Save As in Acrobat XI Pro using Win 8 Pro, is it Adobe or Win 8 or both causing the problem.
    FYI, I just retired and am trying to archive/reduce my printed material and pictures to pdf, this continuing problem is really the pits.................

  • HT6099 why does the mac pro (late 2013) only support up to 60Hz at 1080p? TV screens are pretty much all 120Hz. So much for future proof.

    why does the mac pro (late 2013) only support up to 60Hz at 1080p? TV screens are pretty much all >120Hz. So much for future proof.

    http://en.wikipedia.org/wiki/4K_resolution
    http://en.wikipedia.org/wiki/4K_UHD
    http://www.techradar.com/news/home-cinema/high-definition/4k-tv-resolution-what- you-need-to-know-1048954
    Need More Pixels? Samsung’s 2014 UHD TVs Ship This Month
    Wall Street Journal · 2 hours ago
    Samsung’s 2014 lineup of Ultra High-Definition (aka 4K) TVs are on the way, and thanks to UHD content deals struck with Fox and Paramount—not to mention the…
    Focusing on TVs and 1080p and 60Hz isn't the question, or the 'future'

  • Why does my mac pro slow right down when its on battery ???

    Why does my mac pro slow right down when its on battery....... cant watch dvds as they keep jumping, internet slows down as does everything, then i run it off the mains and its all fine again, so my mac book pro has not become very portable, please help

    Yo , yeah its a mac book pro, noly got it about 6 months ago, not sure if it has a removable battery, it all looks completely sealed, this is what it said in the battery menu:
    Model Information:
      Serial Number:          W01264M3HD3BA
      Manufacturer:          SMP
      Device Name:          bq20z451
      Pack Lot Code:          0000
      PCB Lot Code:          0000
      Firmware Version:          0201
      Hardware Revision:          000a
      Cell Revision:          0158
      Charge Information:
      Charge Remaining (mAh):          5021
      Fully Charged:          No
      Charging:          No
      Full Charge Capacity (mAh):          5923
      Health Information:
      Cycle Count:          49
      Condition:          Normal
      Battery Installed:          Yes
      Amperage (mA):          -958
      Voltage (mV):          11946
    System Power Settings:
      AC Power:
      System Sleep Timer (Minutes):          10
      Disk Sleep Timer (Minutes):          10
      Display Sleep Timer (Minutes):          10
      Wake on AC Change:          No
      Wake on Clamshell Open:          Yes
      Wake on LAN:          Yes
      Display Sleep Uses Dim:          Yes
      Battery Power:
      System Sleep Timer (Minutes):          10
      Disk Sleep Timer (Minutes):          10
      Display Sleep Timer (Minutes):          2
      Wake on AC Change:          No
      Wake on Clamshell Open:          Yes
      Current Power Source:          Yes
      Display Sleep Uses Dim:          Yes
      Reduce Brightness:          Yes
    Hardware Configuration:
      UPS Installed:          No
    AC Charger Information:
      Connected:          No
      Charging:          No
    Hope you can help, its reallly quite annoying considering its quite new.
    Cheers

  • Why does my mac keep freezing when i link to sites with videos

    why does my mac keep freezing when i link to sites with videos

    Do you have any better luck with that if you update to iTunes 10.6.1.7?
    From the notes for the release:
    iTunes 10.6.1 provides a number of improvements, including:
    • Fixes several issues that may cause iTunes to unexpectedly quit while playing videos, changing artwork size in Grid view and syncing photos to devices.
    • Addresses an issue where some iTunes interface elements are incorrectly described by VoiceOver and WindowEyes.
    • Fixes a problem where iTunes may become unresponsive while syncing iPod nano or iPod shuffle.
    • Resolves an ordering problem while browsing TV episodes in your iTunes library on Apple TV.
    http://www.apple.com/itunes/download/

  • Why does my mac pro keep losing connection

    why does my mac pro and my husband keep losing connection

    Same thing happening to me... WiFi is loosing all the time, but I did something that would never work in 10000 years, but worked... I disabled WPA security password, and with no password i don't have problem since... try that...

  • Why does my Mac Pro open to a fuzzy screen when coming out of sleep mode?

    Why does my Mac Pro open to a static-filled screen when coming out of sleep mode?

    But does it then come fully awake? My MB Pro comes on with out of focus screen as if in a fog but once it comes awake it clears up, there is a progress bar at the bottom showing the progress from sleep

  • Why does my Mac Pro turn completely off while in the sleep mode?

    Why does my Mac Pro turn off completley overnight when I had placed it in the sleep mode?

    A power fluctuation may also shut your computer off from sleep mode.
    Is there anything in the System Log overnight?
    Here is a related article:
    About diagnostic and usage data in OS X Lion and Mountain Lion

  • Why does my mac pro hang when restarted?

    If I go to restart or shutdown my Mac Pro Intel, it starts to restart then the screen stays grey with only a dial showing spinng around (not the beachball just a lined circle that rotates) and there isnt the Apple Logo either just a grey screen. I have to hold down power button to get it to restart. I have 12gigs of memory in it. Its a dual core Intel Xeon running Lion OSX 10.7.2. Is there a program that I could run to find out why it does this? I am fairly new to Mac.

    Hello, I am facing a similar issue. Did you happen to find a solution?

  • Why does my mac pro fan run at high speed?

    My Mac Pro cooling fan started running at high speed.  Tried all the shutdown and restart options but didn't help.  Suggestions?

    The fan runs if something is overheating or if a sensor has failed or there is a problem with the SMC. So, reset the SMC - Intel-based Macs: Resetting the System Management Controller (SMC). If that does not stop the fan from running then check for a runaway application:
    Open Activity Monitor in the Utilities folder.  Select All Processes from the Processes dropdown menu.  Click twice on the CPU% column header to display in descending order.  If you find a process using a large amount of CPU time (>=70,) then select the process and click on the Quit icon in the toolbar.  Click on the Force Quit button to kill the process.  See if that helps.  Be sure to note the name of the runaway process so you can track down the cause of the problem.
    If the problem still persists then create a new admin user account, logout of your account and log into the new account. See if this fixes the problem.
    If none of the above help, then you may have a hardware issue such as a defective sensor.

  • Why does my Mac Pro now crash when screen saver starts?

    I've upgraded my Mac Pro Mid 2010 (5,1) from 10.8.5 to 10.9.3 and I have a problem.  When I use one of the screen savers without a photo, the screen saver works fine.  But when I try to point it to one of my existing photos on the machine, it hangs when the screen saver kicks in and I have to force quit to get it running again.
    I believe this must have to do with some permissions issues with where my image files are, but am not sure how to fix it. 
    Anybody else have this problem?
    Thanks....

    But does it then come fully awake? My MB Pro comes on with out of focus screen as if in a fog but once it comes awake it clears up, there is a progress bar at the bottom showing the progress from sleep

  • Why does my Mac Pro boot to a white screen?

    Hey everyone,
    So recently I have started having this issue with my Mac Pro system. When I power it on, I get the chime, but no loading screen. Just an all-white screen. If I power it down with the power button and turn it back on a few times, it will eventually boot normally, but I should not have to do this. Obviously this is not normal operation. So, I was wondering how I could fix this? Below are the specs for my machine:
    System Type Mac Pro (Version: MacPro5,1)
    Processor Type: Quad-Core Intel Xeon 3.2GHZ
    Memory: 10GB
    Boot Drive: 128GB OCZ Petrol SSD
    OS Version: Mac OS X Lion 10.7.3
    Any ideas what would cause this and how I can correct it?

    Forgot to mention my troubleshooting steps thus far.
    Originally the issue started with freezing. System would freeze after about 5 minutes of use. First I verified permissions and disk. Some errors were found, so repaired as needed. Did so using my OS disc. Rebooted and issue still existed, though not as bad. Did another Permissions and Disk check, this time from within the booted OS. More issues found, so repaired. Rebooted and seemed to be fine. Updated software to latest version and created a backup image of my system just in case. Rebooted and seemed OK. That was on Wednesday.
    Thursday night I try to boot up and get a white screen. Odd. Powered down and powered back on. Worked fine. Did what I had to do on it and shut it down like normal. Came back later and same issue. Powered down and powered back on. Same issue. Repeated and worked this time. Checked permissions and disk again. No issues found. Just tried reseting the NVRAM/PRAM. Seems to be working OK, but not too sure yet. Will test for a day or so and let you guys know. In the meantime, any suggestions would be helpful. System is covered by Apple Care, so if I absolutely have to take it in, I can.
    Thanks in advance all!

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