My MacBook pro mid 2012 shuts down unexpectdly

Anyone else having this problem?

What if I have 2 RAMS
1. 2GB runs 1333MHz
2. 4GB runs 1333MHz
Do I have to change the two of them and how much do they cost?

Similar Messages

  • Since I have installed OS X Mavericks, my Macbook pro (Mid 2010) shut down unexpectly everytime when I uploading image.

    Since I have installed OS X Mavericks, my Macbook pro (Mid 2010) shut down unexpectly everytime when I uploading image to Facebook or Ebay. What can I do?

    A number of folks have posted similar crashing-related reports with that same system.
    http://www.macworld.com/article/2062783/cures-for-a-panicking-mid-2010-macbook-p ro.html
    You may wish to contact Apple support.

  • 13" MacBook Pro (late 2012) shuts down randomly

    Mac book pro 13" retina shuts down randomly and without warning. The screen goes black and it takes several minutes before it will start back up.
    I've taken my mac book pro 13" retina to the genius bar, twice. The first time I was told to remove some software, which I did and the computer continues to randomly shut down. The second time I was told to make sure that I have at least 12 GB of storage available, which I made happen and the computer continues to shut down.
    What I can tell you, and what I've told genius bar, is:
    The shut down happens when it is either plugged in or not. The shut downs happen toward the middle of the day when the computer gets warm. It is not hot, just warm. If I keep a external fan pointed at it all day I do not get any shut downs. I've spend almost a full day at genius bar and I am looking for some help/approach/information that would help us solve this problem.
    Computer Info:
    MacBook Pro (Retina, 13-inch, Late 2012)
    Yosemtie 10.10.1. Note I was running the latest Mavericks and had the problem too. The upgrade did not help.
    Thank you.

    Their tests are superior to the AHT and so I am surprised that they did not pick up on any hardware faults.  The responses that you say they gave you are in my opinion, to be charitable, worthless.  The fact is that the quality of the technicians at a genius bar are not consistent, some being better than others.
    If I were in your position, I would firmly but politely demand the the MBP be serviced so that the AHT not produce that error any more.  If need be, send the MBP to a repair facility where more experienced personnel can work on it.  If you have Apple care, there should be no charge.
    Ciao.

  • Macbook Pro Retina 2012 shuts down when selecting Recovery HD !!

    Hello guys,
    I tried to reboot my macbook pro retina 2012 and I held down "Option" key while my macbook was restarting but it won't be able to access into the Disc Utility Menu.
    So I really need help to get my macbook format the hard drive, reinstall OS 10.x.x ( any suggestion?). Thank you for reading my post and I look forward a good answer.

    Restart the computer and hold down the COMMAND and R keys to boot from the Recovery HD. If that does not work, then you either have a defective Recovery HD or a failing hard drive.
    What you can do is this:
    Install Mavericks, Lion/Mountain Lion Using Internet Recovery
    Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.
    Boot to the Internet Recovery HD:
    Restart the computer and after the chime press and hold down the COMMAND-OPTION- R keys until a globe appears on the screen. Wait patiently - 15-20 minutes - until the Recovery main menu appears.
    Partition and Format the hard drive:
    Select Disk Utility from the main menu and click on the Continue button.
    After DU loads select your newly installed hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
    Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed. Quit DU and return to the main menu.
    Reinstall Lion/Mountain Lion. Mavericks: Select Reinstall Lion/Mountain Lion, Mavericks and click on the Install button. Be sure to select the correct drive to use if you have more than one.
    Note: You will need an active Internet connection. I suggest using Ethernet if possible because it is three times faster than wireless.
    This should restore the version of OS X originally pre-installed on the computer.

  • MacBook Pro (Mid-2009) shuts down while running on battery

    Hi,
    Five months ago, my MacBook Pro 15'' (2.53Ghz) started showing me the message 'Service Battery'. I took it to an Apple Store and I was told that everything is still fine. Nevertheless, for the past 2 months my laptop shuts down while running on battery (with 20% and 40% levels of charge) periodically. This does not happen every time.
    Does anyone know if AppleCare covers this failure?
    Is there any other way to fix this?
    Thank you,
    George

    Mine does the same thing.  May i suggest downloading istat pro to look at the health of your battery.
    http://www.apple.com/downloads/dashboard/status/istatpro.html
    Also do you calibrate your battery? 
    http://support.apple.com/kb/HT1490
    I had never done that but after 15 months and 450+ cycles I was experiencing the same problem.  I am a heavy user of my mbp 15"  (2.4Ghz).  After calibrating my health in istat which was going between 30-53 % Is holding steady around 65-mid 70% health wise.  I have also noticed that my battery icon has gone from service battery to replace now to holding at replace soon for the time being.
    I am not sure how many cycles you can get out of one battery but as far as i know 700ish is good.  While i wish i was closer to an apple store (3ish hrs or more) i do hope i have helped you.

  • Macbook Pro (Mid 2009) Shuts down at 24% battery power

    For the past few days my Macbook Pro, the one I've had since the summer of 2009, has been shutting down at random times. Not only does it shut down without warning but it restarts my clock to March 24 2001, at 7:30pm every time. What the heck? Especially since this week is finals week, I have to trust my computer to hold out for four more days before it can stop working, but until then I just want to know what the problem could be.

    euji wrote:
    For the past few days my Macbook Pro, the one I've had since the summer of 2009, has been shutting down at random times. Not only does it shut down without warning but it restarts my clock to March 24 2001, at 7:30pm every time. What the heck? Especially since this week is finals week, I have to trust my computer to hold out for four more days before it can stop working, but until then I just want to know what the problem could be.
    Time to recalibrate your battery meter .....

  • MacBook Pro Mid-2012 Overheating?

    I just got my MacBook Pro Mid-2012 less than a week ago, but I am already having problems with my MacBook Pro heating up.  It gets to a temperature that almost burns my hand when I touch the bottom.  My old MacBook didn't do this.  I was running Windows last night and it just shut down, presumably because the computer overheated.  However, I have no idea how to measure the temperature without installing additional software.  How do I do this?  It is normal for the MacBook to do this?  If I take it to the Apple Store and they agree that there is a problem, should I just wait until WWDC to have them swap it out (potentially for a new MacBook)?
    I also cannot tell if the fan is actually working.
    Thanks!

    As your MacBook Pro was bought only a week ago, return it and get a new one. It's not normal because your MacBook turns on fans automatically when the temperature rises. Moreover, if you run Apple Hardware Test, it will probably give you an error referring to the fan, so it's better to return that computer and get another that works correctly

  • MacBook Pro Mid 2012 not starting up after Yosemite Update

    I'm using a MacBook Pro mid 2012 model , enrolled into Yosemite Public Beta Program ...
    After the official public launch , app store suggested that i rather update from beta 5 to beta 6 , as downloading extra 5 gig of OS data seemed unnecessary for me , I just updated from the app store.
    Post the update , after shutting down my MacBook , I tried starting it up after 8 hours , it failed to respond to any of my prompts .
    Keyboard not responding
    Power Button not responding
    Li-Po Battery indicator alone works ,
    When plugged MagSafe , it indicates charging .
    The Sleep Indicator (in the front - that of hard disk drive ) blinks occasionally.
    Later, when i tried powering up with MagSafe , It booted luckily , after some 20 hours of work , i shut the system down ,
    Again when i tried booting up  , it failed .
    The problem persists since 3 days.
    I tried booting up in Safe Mode - No result
    Tried Verbose Booting up - No result
    Cleared NV RAM - No result
    Cleared SMC as Apple instructed for Intel Based MacBooks - No result.
    Removed Battery and kept aside for a while , After an hour tried powering up , It booted up , Went till Apple Logo , The loading bar was some 45%
    Then it started to go down with a black screen ,
    It never starts up again.
    After regular intervals of removing and installing battery , it starts up to white screen and goes off.
    I am really worried and desperate now.
    I am not sure whether my HDD is dead or my Battery is dead  or my Logic board is dead or my Yosemite Install was not right ?
    After hours of online research , nothing seems to be helpful .
    People at Apple Care (Premium ReSeller , India) are so irresponsible in attending the issue ,
    They say its helpless without even doing some basic troubleshoot.
    Where would it have went wrong and What am i supposed to do now ?
    PLEASE HELP !!

    darkrider92,
    I have the same model MacBook Pro as the one that you got from your mom. Were you able to install the 10.6.8 update successfully onto the factory drive? Were you using the factory RAM when you tried to install the 10.6.8 update on the SSD?
    Have you checked  the Web site of the SSD’s manufacturer, to see if there’s a firmware update available for the SSD?
    You can download the 10.6.8 update outside of Software Update from Apple here; in case you need to try to install this update several times, running it from your local disk would be more convenient than waiting for it to download again.

  • Since installing os x mavericks can't shutdown macbook pro(mid 2012) is there a fix?

    since installing os x mavericks can't shutdown macbook pro(mid 2012) is there a fix?

    I did the SMC reset and that did shut down the computer (did not notice if the power adaptor lite blinked) when pushed power button (after waiting approx. 30sec.) to see if computer would display same message -- it did! Here is report:
    Anonymous UUID:       B6EB39B0-68CD-8AF4-830E-48E1B18542FD
    Wed Nov 27 12:20:53 2013
    panic(cpu 0 caller 0xffffff8029adc19e): Kernel trap at 0xffffff8029a50944, type 14=page fault, registers:
    CR0: 0x000000008001003b, CR2: 0x0000000000000008, CR3: 0x000000002c033000, CR4: 0x00000000001606e0
    RAX: 0x0000000000000000, RBX: 0xffffff80358b7fd8, RCX: 0x0000000000000000, RDX: 0xffffff802a0cb940
    RSP: 0xffffff80a2c63a00, RBP: 0xffffff80a2c63a30, RSI: 0xffffff80358b7000, RDI: 0xffffff802c4a1360
    R8:  0xffffff802a0d2b30, R9:  0x0000000000000000, R10: 0xffffff80a2c63990, R11: 0xffffff802a089ce8
    R12: 0xffffff80358b7008, R13: 0x0000000000000000, R14: 0xffffff80358b7000, R15: 0xffffff802c4a1360
    RFL: 0x0000000000010246, RIP: 0xffffff8029a50944, CS:  0x0000000000000008, SS:  0x0000000000000010
    Fault CR2: 0x0000000000000008, Error code: 0x0000000000000002, Fault CPU: 0x0
    Backtrace (CPU 0), Frame : Return Address
    0xffffff80a2c63690 : 0xffffff8029a22f69
    0xffffff80a2c63710 : 0xffffff8029adc19e
    0xffffff80a2c638e0 : 0xffffff8029af3606
    0xffffff80a2c63900 : 0xffffff8029a50944
    0xffffff80a2c63a30 : 0xffffff8029a5151a
    0xffffff80a2c63b10 : 0xffffff8029e836e6
    0xffffff80a2c63b30 : 0xffffff7faa4b7614
    0xffffff80a2c63b60 : 0xffffff7faa49f90b
    0xffffff80a2c63b80 : 0xffffff8029e4c3d3
    0xffffff80a2c63bb0 : 0xffffff8029e4c24d
    0xffffff80a2c63bd0 : 0xffffff8029e61e74
    0xffffff80a2c63bf0 : 0xffffff8029e90e44
    0xffffff80a2c63c70 : 0xffffff8029e90477
    0xffffff80a2c63cb0 : 0xffffff8029e9020a
    0xffffff80a2c63d10 : 0xffffff8029e917dc
    0xffffff80a2c63d20 : 0xffffff7faa44772a
    0xffffff80a2c63d40 : 0xffffff7faa7a9b46
    0xffffff80a2c63d80 : 0xffffff7faa7a95b6
    0xffffff80a2c63de0 : 0xffffff7faa79f980
    0xffffff80a2c63e20 : 0xffffff7faa7a23a9
    0xffffff80a2c63e70 : 0xffffff8029e9fe19
    0xffffff80a2c63f00 : 0xffffff8029e98b6b
    0xffffff80a2c63f20 : 0xffffff8029a4a15a
    0xffffff80a2c63fb0 : 0xffffff8029ad6aa7
          Kernel Extensions in backtrace:
             com.apple.iokit.IOUSBFamily(650.4.4)[972D3024-AF9C-3E09-A9EC-D9AB2A559B38]@0xff ffff7faa433000->0xffffff7faa491fff
                dependency: com.apple.iokit.IOPCIFamily(2.8)[447B4896-16FF-3616-95A2-1C516B2A1498]@0xffffff 7faa0ba000
             com.apple.driver.AppleUSBHub(650.4.4)[1229941E-4CB9-3F57-B0A6-4A0AD595025D]@0xf fffff7faa79d000->0xffffff7faa7b3fff
                dependency: com.apple.iokit.IOUSBFamily(650.4.4)[972D3024-AF9C-3E09-A9EC-D9AB2A559B38]@0xff ffff7faa433000
             com.Ralink.driver.RT2870USBWirelessDriver(4.2.6)[2F28A586-61E4-9821-20DE-488AC0 641892]@0xffffff7faa49e000->0xffffff7faa535fff
                dependency: com.apple.iokit.IONetworkingFamily(3.2)[1EAD69CB-6AB4-387F-94C4-8FAAFF28354C]@0 xffffff7faa3ff000
                dependency: com.apple.iokit.IOUSBFamily(650.4.4)[972D3024-AF9C-3E09-A9EC-D9AB2A559B38]@0xff ffff7faa433000
    BSD process name corresponding to current thread: kernel_task
    Mac OS version:
    13A603
    Kernel version:
    Darwin Kernel Version 13.0.0: Thu Sep 19 22:22:27 PDT 2013; root:xnu-2422.1.72~6/RELEASE_X86_64
    Kernel UUID: 1D9369E3-D0A5-31B6-8D16-BFFBBB390393
    Kernel slide:     0x0000000029800000
    Kernel text base: 0xffffff8029a00000
    System model name: MacBookPro9,2 (Mac-6F01561E16C75D06)
    System uptime in nanoseconds: 82652072793
    last loaded kext at 30378600712: com.apple.driver.AudioAUUC          1.60 (addr 0xffffff7fab05c000, size 32768)
    loaded kexts:
    com.Ralink.driver.RT2870USBWirelessDriver          4.2.6
    com.apple.driver.AudioAUUC          1.60
    com.apple.driver.AGPM          100.14.11
    com.apple.driver.ApplePlatformEnabler          2.0.9d1
    com.apple.driver.X86PlatformShim          1.0.0
    com.apple.filesystems.autofs          3.0
    com.apple.iokit.IOBluetoothSerialManager          4.2.0f6
    com.apple.driver.AppleMikeyHIDDriver          124
    com.apple.driver.AppleHDAHardwareConfigDriver          2.5.2fc2
    com.apple.driver.AppleHDA          2.5.2fc2
    com.apple.iokit.IOBluetoothUSBDFU          4.2.0f6
    com.apple.iokit.IOUserEthernet          1.0.0d1
    com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport          4.2.0f6
    com.apple.driver.AppleUpstreamUserClient          3.5.13
    com.apple.driver.AppleLPC          1.7.0
    com.apple.driver.AppleSMCLMU          2.0.4d1
    com.apple.Dont_Steal_Mac_OS_X          7.0.0
    com.apple.driver.AppleHWAccess          1
    com.apple.driver.AppleSMCPDRC          1.0.0
    com.apple.driver.AppleThunderboltIP          1.0.10
    com.apple.driver.SMCMotionSensor          3.0.4d1
    com.apple.driver.AppleMikeyDriver          2.5.2fc2
    com.apple.driver.AppleIntelHD4000Graphics          8.1.8
    com.apple.driver.AppleIntelFramebufferCapri          8.1.8
    com.apple.driver.ACPI_SMC_PlatformPlugin          1.0.0
    com.apple.driver.AppleMuxControl          3.4.12
    com.apple.driver.AppleBacklight          170.3.5
    com.apple.driver.AppleMCCSControl          1.1.12
    com.apple.driver.AppleUSBTCButtons          240.2
    com.apple.driver.AppleUSBTCKeyEventDriver          240.2
    com.apple.driver.AppleUSBTCKeyboard          240.2
    com.apple.driver.AppleIRController          325.7
    com.apple.driver.AppleFileSystemDriver          3.0.1
    com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
    com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
    com.apple.BootCache          35
    com.apple.iokit.SCSITaskUserClient          3.6.0
    com.apple.driver.XsanFilter          404
    com.apple.iokit.IOAHCIBlockStorage          2.4.0
    com.apple.driver.AppleUSBHub          650.4.4
    com.apple.driver.AppleSDXC          1.4.0
    com.apple.driver.AirPort.Brcm4331          700.20.22
    com.apple.driver.AppleFWOHCI          4.9.9
    com.apple.iokit.AppleBCM5701Ethernet          3.6.9b9
    com.apple.driver.AppleAHCIPort          2.9.5
    com.apple.driver.AppleUSBEHCI          650.4.1
    com.apple.driver.AppleUSBXHCI          650.4.3
    com.apple.driver.AppleSmartBatteryManager          161.0.0
    com.apple.driver.AppleRTC          2.0
    com.apple.driver.AppleACPIButtons          2.0
    com.apple.driver.AppleHPET          1.8
    com.apple.driver.AppleSMBIOS          2.0
    com.apple.driver.AppleACPIEC          2.0
    com.apple.driver.AppleAPIC          1.7
    com.apple.driver.AppleIntelCPUPowerManagementClient          216.0.0
    com.apple.nke.applicationfirewall          153
    com.apple.security.quarantine          3
    com.apple.driver.AppleIntelCPUPowerManagement          216.0.0
    com.apple.kext.triggers          1.0
    com.apple.iokit.IOSerialFamily          10.0.7
    com.apple.driver.DspFuncLib          2.5.2fc2
    com.apple.vecLib.kext          1.0.0
    com.apple.iokit.IOAudioFamily          1.9.4fc11
    com.apple.kext.OSvKernDSPLib          1.14
    com.apple.iokit.IOBluetoothHostControllerUSBTransport          4.2.0f6
    com.apple.iokit.IOBluetoothFamily          4.2.0f6
    com.apple.iokit.IOFireWireIP          2.2.5
    com.apple.driver.AppleThunderboltEDMSink          1.2.1
    com.apple.driver.AppleThunderboltDPOutAdapter          2.5.0
    com.apple.driver.AppleSMBusPCI          1.0.12d1
    com.apple.driver.AppleHDAController          2.5.2fc2
    com.apple.iokit.IOHDAFamily          2.5.2fc2
    com.apple.iokit.IOSurface          91
    com.apple.iokit.IOAcceleratorFamily2          98.7.1
    com.apple.AppleGraphicsDeviceControl          3.4.12
    com.apple.driver.IOPlatformPluginLegacy          1.0.0
    com.apple.driver.X86PlatformPlugin          1.0.0
    com.apple.driver.AppleSMC          3.1.6d1
    com.apple.driver.IOPlatformPluginFamily          5.5.1d27
    com.apple.driver.AppleGraphicsControl          3.4.12
    com.apple.driver.AppleBacklightExpert          1.0.4
    com.apple.iokit.IONDRVSupport          2.3.6
    com.apple.driver.AppleSMBusController          1.0.11d1
    com.apple.iokit.IOGraphicsFamily          2.3.6
    com.apple.driver.AppleUSBMultitouch          240.6
    com.apple.driver.AppleThunderboltDPInAdapter          2.5.0
    com.apple.driver.AppleThunderboltDPAdapterFamily          2.5.0
    com.apple.driver.AppleThunderboltPCIDownAdapter          1.4.0
    com.apple.iokit.IOUSBHIDDriver          650.4.4
    com.apple.driver.AppleUSBMergeNub          650.4.0
    com.apple.driver.AppleUSBComposite          650.4.0
    com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.6.0
    com.apple.iokit.IOBDStorageFamily          1.7
    com.apple.iokit.IODVDStorageFamily          1.7.1
    com.apple.iokit.IOCDStorageFamily          1.7.1
    com.apple.iokit.IOAHCISerialATAPI          2.6.0
    com.apple.iokit.IOSCSIArchitectureModelFamily          3.6.0
    com.apple.driver.AppleThunderboltNHI          1.9.2
    com.apple.iokit.IOThunderboltFamily          2.8.5
    com.apple.iokit.IO80211Family          600.34
    com.apple.iokit.IOFireWireFamily          4.5.5
    com.apple.iokit.IOUSBUserClient          650.4.4
    com.apple.iokit.IOEthernetAVBController          1.0.3b3
    com.apple.driver.mDNSOffloadUserClient          1.0.1b4
    com.apple.iokit.IONetworkingFamily          3.2
    com.apple.iokit.IOAHCIFamily          2.6.0
    com.apple.iokit.IOUSBFamily          650.4.4
    com.apple.driver.AppleEFINVRAM          2.0
    com.apple.driver.AppleEFIRuntime          2.0
    com.apple.iokit.IOHIDFamily          2.0.0
    com.apple.iokit.IOSMBusFamily          1.1
    com.apple.security.sandbox          278.10
    com.apple.kext.AppleMatch          1.0.0d1
    com.apple.security.TMSafetyNet          7
    com.apple.driver.AppleKeyStore          2
    com.apple.driver.DiskImages          371.1
    com.apple.iokit.IOStorageFamily          1.9
    com.apple.iokit.IOReportFamily          21
    com.apple.driver.AppleFDEKeyStore          28.30
    com.apple.driver.AppleACPIPlatform          2.0
    com.apple.iokit.IOPCIFamily          2.8
    com.apple.iokit.IOACPIFamily          1.4
    com.apple.kec.pthread          1
    com.apple.kec.corecrypto          1.0
    Model: MacBookPro9,2, BootROM MBP91.00D3.B08, 2 processors, Intel Core i5, 2.5 GHz, 4 GB, SMC 2.2f44
    Graphics: Intel HD Graphics 4000, Intel HD Graphics 4000, Built-In, 1024 MB
    Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1600 MHz, 0x802C, 0x384A54463235363634485A2D3147364D3120
    Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1600 MHz, 0x802C, 0x384A54463235363634485A2D3147364D3120
    AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xF5), Broadcom BCM43xx 1.0 (5.106.98.100.22)
    Bluetooth: Version 4.2.0f6 12982, 3 services, 15 devices, 1 incoming serial ports
    Network Service: 802.11 n WLAN, Ethernet, en3
    Serial ATA Device: APPLE HDD HTS547550A9E384, 500.11 GB
    Serial ATA Device: HL-DT-ST DVDRW  GS31N
    USB Device: USB Receiver
    USB Device: Hub
    USB Device: FaceTime HD Camera (Built-in)
    USB Device: Hub
    USB Device: 802.11 n WLAN
    USB Device: Hub
    USB Device: IR Receiver
    USB Device: BRCM20702 Hub
    USB Device: Bluetooth USB Host Controller
    USB Device: Apple Internal Keyboard / Trackpad
    Thunderbolt Bus: MacBook Pro, Apple Inc., 25.1
    could the ralink driver be interfering?
    thank-you for your diligence with this
    Message was edited by: julie andor gus

  • Macbook Pro Mid 2012 Firmware Downgrade

    Friends Macbook Pro Mid 2012 model evo to my computer upgraded with 840 samsung 6 months ago, and I was using it without any trouble. But in the last one month I got on my computer machine kernel cache error. With the installation and opening of the original disc, but SSDs doing was making trouble. I gave the service SSD y not change no matter what problems they have learned and change. Carbon Copy Cloner now and again with mac dupper supper time machine backup or recovery took my board if I did not open and the kernel fails again on cahce. Trim off mode, albeit not have them, even if I've tried everything. In the end, many SSDs ef firmware samsung site about a problem with the data transfer rate is found. Now I guess my goal to downgrade version 1.6 of EFI y How can I do my job, you'll see that information transaxle. Downstairs you can see information about my computer.
    Model Adı:    MacBook Pro
      Model Tanıtıcısı:    MacBookPro9,2
      İşlemci Adı:    Intel Core i5
      İşlemci Hızı:    2,5 GHz
      İşlemci Sayısı:    1
      Toplam Çekirdek Sayısı:    2
      L2 Önbellek (her bir çekirdek için):    256 KB
      L3 Önbellek:    3 MB
      Bellek:    10 GB
      Boot ROM Sürümü:    MBP91.00D3.B08
      SMC Sürümü (sistem):    2.2f44
      Seri Numarası (sistem):    C0*****TY3
      Donanım UUID'si:    BCE9C44A-96BE-5140-AA5A-91AEEE244573
      Ani Hareket Algılayıcısı:
      Durum:    Etkin
    <Personal Information Edited by Host>

    It may have nothing to do with the firmware of your machine. What is the Kernel cache error? Bootcamp is one option to upgrade firmware of the SSD.
    The Samsung SSDs come with Magician, which should allow you test the performance and integrity of the SSD. If it is a HW issue, you should be able to get a replacement. Samsung originally had offered a 5-year warranty on the 840 Pro SSDs.
    The other option is a down-loadable .iso from Samsung Support website.

  • My Macbook pro Mid 2012 Model Seems to be using too much RAM

         Hello everybody, I recenlty bought a Macbook pro Mid 2012 Model and I absolutely fell in love with it! I use it everyday for school, work, and for my musical hobby.
         I haven't had a single problem with it until recently, and it seems like the RAM memory is being all used up without me even running programs. This problem barely started rougly 2-3 weeks ago and it's becoming annoying. I do plan to upgrade the ram soon seeing as the extra RAM will help run my engineering software I'm going to be using.
    Anywho I'm just looking for tips, suggestions or answers as to why this problem is occuring. Also heard from a fellow employee that Google Chrome can cause this problem with RAM and battery life as well.

    Stop using Chrome for any number of reasons and stick to Safari. An aspect of OS X memory management is to take over as much memory as possible in order to better manage the memory, however, this does not mean you are running out of memory. You only run out of memory when you try to run too many applications concurrently given the amount of RAM you have. You will know when that happens because the computer will slow down, you will see the beachball a lot, everything you do takes forever, and the hard drive will be grinding away.
    About OS X Memory Management and Usage
    Using Activity Monitor to read System Memory & determine how much RAM is used
    OS X Mavericks- About Activity Monitor
    Understanding top output in the Terminal
    The amount of available RAM for applications is the sum of Free RAM and Inactive RAM. This will change as applications are opened and closed or change from active to inactive status. The Swap figure represents an estimate of the total amount of swap space required for VM if used, but does not necessarily indicate the actual size of the existing swap file. If you are really in need of more RAM that would be indicated by how frequently the system uses VM. If you open the Terminal and run the top command at the prompt you will find information reported on Pageins () and Pageouts (). Pageouts () is the important figure. If the value in the parentheses is 0 (zero) then OS X is not making instantaneous use of VM which means you have adequate physical RAM for the system with the applications you have loaded. If the figure in parentheses is running positive and your hard drive is constantly being used (thrashing) then you need more physical RAM.
    Adding RAM only makes it possible to run more programs concurrently.  It doesn't speed up the computer nor make games run faster.  What it can do is prevent the system from having to use disk-based VM when it runs out of RAM because you are trying to run too many applications concurrently or using applications that are extremely RAM dependent.  It will improve the performance of applications that run mostly in RAM or when loading programs.

  • Unable to erase Samsung Pro 850 in Macbook Pro mid 2012

    I have just installed a Samsung Pro 850 in a 13" Macbook Pro mid 2012.
    I boot the computer with a USB stick with Yosemite image on it.
    When I try to installe Yosemite on the disk it fails with an error "Unable to unmount volume for repair".
    After that I have tried to erase and partition in disk utility, but that fails with "
    wiping volume data to prevent future accidental probing failed".
    It looks a lot like this old discussion:
    Disk erase ailed with the error :wiping volume data to prevent future accidental probing failed.
    I have tried putting the Samsung Pro 850 in an external USB case. When it sits in the USB case I can easily install Yosemite on it, and erase and partition - no problem.
    Tonight I took the disk to a friends 2011 Macbook Pro 17" (running SATA 2). He had no problems whatsoever with the disk.
    Why does it only fail in my MBP?

    Did your friend also try using your USB flash drive installer? Have you tried this method:
    Install OS X Using Internet Recovery
    Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.
    Boot to the Internet Recovery HD:
    Restart the computer and after the chime press and hold down the COMMAND-OPTION- R keys until a globe appears on the screen. Wait patiently - 15-20 minutes - until the Recovery main menu appears.
    Partition and Format the hard drive:
    Select Disk Utility from the main menu and click on the Continue button.
    After DU loads select your newly installed hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
    Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed. Quit DU and return to the main menu.
    Reinstall OS X: Select Reinstall OS X and click on the Install button. Be sure to select the correct drive to use if you have more than one.
    Note: You will need an active Internet connection. I suggest using Ethernet if possible because it is three times faster than wireless.

  • My Brandnew 15 inch Macbook Pro (mid 2012) Crash to Black Screen

    My Brandnew Macbook Pro (Mid-2012) just purchased last August 2012, i turned it on and watched some movie online and youtube when all of a sudden, the screen would turn black and the machine would not react to any keyboard or mouse input anymore. All I could do was hold down the power button to turn the computer off.
    i really appreciate your ideas about this problem...

    If it has happened more than once, make a "Genius" appointment at an Apple Store to have the machine tested.
    Back up all data on the internal drive(s) before you hand over your computer to anyone. If privacy is a concern, erase the data partition(s) with the option to write zeros* (do this only if you have at least two complete, independent backups, and you know how to restore to bare metal from any of them.) Don’t erase the recovery partition, if present.
    *An SSD doesn't need to be zeroed.

  • My iPad 3 is not charging on my macbook pro mid-2012. It was working yesterday and it is not working now, and I'm trying to transfer files between them. How do I charge my iPad with my macbook without having to be a completely new computer?

    I am trying to transfer files between my ipad 3 and my macbook pro mid-2012 and they will just not connect. I connected them yesterday and it worked fine. And i can not air drop these files into my ipad it has to be done through itunes. And i can not afford to buy a new computer. How do i get these two to connect without having to buy a completely new computer?

    Computer USB ports, regardless of the computer maker, have a relatively low power output and thus are not good chargers. They will charge but it takes a long time. You should be charging your iPad from wall power, or a more powerful source like an in-car charger.
    Buying another computer will not change that.

  • My Macbook Pro (Mid-2012) won't connect to an external display using my MiniDP to VGA Cable.

    I'm on a Macbook Pro (Mid-2012) on Mac OS X 10.8.3 (currently downloading the update to 8.4). When I plug in my Mini Displayport to VGA adapter to my Mac, the screen flickers blue for a second and the Display Settings window detects the other monitor and allows me to rearrange the screen, but it does not project anything onto the other monitor. However, I tried connecting an Apple Thunderbolt Monitor to this computer today, and it worked. This wasn't a problem before, as I was able to connect this Mac to other LCD projects before. Furthermore, I don't think it's an issue with the adapter either because it's relatively new. I also tried plugging in the adapter of another Mac (which was working fine) into my Mac, but it didn't work either.
    Here's what I've tried:
    1. Restarting the computer with everything plugged in
    2. Pressing Command + F1 when it's plugged
    Any advice would be helpful!

    Hi lancekatigbak,
    If you're having issues with the display out on your MacBook Pro, you may want to take a look at the troubleshooting steps in the following article:
    Apple computers: Troubleshooting issues with video on internal or external displays
    http://support.apple.com/kb/ht1573
    Cheers,
    - Brenden

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