Mac book pro early 2011 takes a lot of time to start up and shut down.

I have a mac book pro its early 2011 15" i updated it from snow leapord to lion since then i have been having a problem with the shutdown it takes a really long time. And i am now concerned because my mac took a lot of time to start up today it kept showing me the apple symbol for 3 min then it showed the login screen can u guys help me weather there is some issue with my mac or most of u are getting this problem. Should i install snow leapord  again or should i bear with the issue untill an update is there pls help im really worried..... Thank you.

You'll only be abe to repair permissions on the partition where your operating system is installed. For instance the disk on which I have Lion installed is name MacJoseph so that is the only disk I can repair permission on unless I boot from an install DVD. To do a clean install see these instructions. It's not difficult at all. This article may explain more about a clean install. To re-download the Lion installer open your App store application, at the top of the App store where it say's 'Purchased' hold down the option key while clicking on 'purchased.' This will open your purchases and allow you to download Lion. When the installer finishes downloading quit the installer and it will be in your applications folder. Hope this helps.

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  • I upgrade my MAC BOOK PRO EARLY 2011 and it crash upon login

    I have installed Mavericks os x 10.9.3 to my mac book pro early 2011 and afte that it crash every time I log in.
    I tried many things such as:
    1. I check teh disk health by command +R and it showes green status means it is OK
    2. I tries to safe boot and it worked and I am able to log in and stay in to it ..infact writing this in safe mode ..
    3. I tried moving many of teh thried pary software in trash such as plex, vuze, u torrent etc..and also erazed trash box
    4. I also hide log in items or just mius most od those except TmLogin Mgr that does not allow to minus...I hope you understood this what I did ..simple system pref --> user and group and the login itms are removed
    STILL same issue it crash ever time I log in normally..
    one more point my key board was little damaged may be I say nmber SIX key does not work after little milk spill on this but after that it was unning just fine since last 3 month
    At the end I would like to put this report content ..sorry I know this is not good to put all this crap but it hard to understand if it hide some important infor that help you to suggest me the solution..
    I saw your nice responseall around on the form and I am kind of sure that you will be able to help me with this ..
    Also please tell me how to get back up in sfae mode I connected my external drive but it didnt show up in finder and I tried using time machine but I was nt even able to figure out what to do in that..may be I bi scare of doing trial and error ...
    Thanks. AJ
    Anonymous UUID:       AA3350D8-85AB-5CB5-2E3C-DD7073590DBD
    Thu May 22 22:38:01 2014
    panic(cpu 1 caller 0xffffff80294526ff): "a freed zone element has been modified: expected 0xdeadbeefdeadbeef but found 0, bits changed 0xdeadbeefdeadbeef, at offset 8 of 128 in zone: kalloc.128"@/SourceCache/xnu/xnu-2422.100.13/osfmk/kern/zalloc.c:461
    Backtrace (CPU 1), Frame : Return Address
    0xffffff80c2c4b1e0 : 0xffffff8029422fa9
    0xffffff80c2c4b260 : 0xffffff80294526ff
    0xffffff80c2c4b2c0 : 0xffffff8029451df9
    0xffffff80c2c4b3c0 : 0xffffff802942aa6f
    0xffffff80c2c4b3f0 : 0xffffff80297d3b84
    0xffffff80c2c4b430 : 0xffffff802978cc6e
    0xffffff80c2c4b4e0 : 0xffffff802978c8cc
    0xffffff80c2c4b560 : 0xffffff80296000c0
    0xffffff80c2c4b5d0 : 0xffffff80295f5a55
    0xffffff80c2c4b6c0 : 0xffffff80295fc756
    0xffffff80c2c4b710 : 0xffffff80295fc25e
    0xffffff80c2c4b790 : 0xffffff80295df064
    0xffffff80c2c4bb10 : 0xffffff80297b5c2c
    0xffffff80c2c4bb70 : 0xffffff80295dfe4b
    0xffffff80c2c4bbc0 : 0xffffff80295f56d0
    0xffffff80c2c4bc00 : 0xffffff80295f149a
    0xffffff80c2c4bd80 : 0xffffff80295e96dc
    0xffffff80c2c4bf50 : 0xffffff8029840653
    0xffffff80c2c4bfb0 : 0xffffff80294f3c56
    BSD process name corresponding to current thread:
    Mac OS version:
    Kernel version:
    Darwin Kernel Version 13.2.0: Thu Apr 17 23:03:13 PDT 2014; root:xnu-2422.100.13~1/RELEASE_X86_64
    Kernel UUID: ADD73AE6-88B0-32FB-A8BB-4F7C8BE4092E
    Kernel slide:     0x0000000029200000
    Kernel text base: 0xffffff8029400000
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    System uptime in nanoseconds: 93393964240
    last loaded kext at 39308701672:          1.60 (addr 0xffffff7fab1e5000, size 28672)
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  • Muffled sound with mac book pro early 2011

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  • I have a 1" mac book pro 'early 2011' has stopped playing video clips, like bbc iplayer

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    Removed trend micro smart crap files from disco and it worked.

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    Sorry for the spelling I am dyslex.....
    I had this happen to.
    For some unknown resin my 2.5Ghz MacBook Pro overheated and witch killed it.  Requires a new Logic Board.
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    3) When after 3 hours shopping, I picked the laptop up it was VERY! hot on the bottom (much hotter than it has ever been) (and it was not the battery)
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  • I have a mac book pro mid 2011 and it overheats is there any known issue with this model

    overheating issues
    I have a mac book pro mid 2011 and it overheats is there any known issue with this model

    Are you gaming or watching videos when the unit heats up? As your core temperatures rise, it's normal for the fans to speed up - but if you're not running any CPU/GPU intensive apps, it's not normal for your MBP to heat up or for the fans to run high. Download the free iStat Pro widget and either record or take a screen shot of your temps and fans speeds. Oh, and your MBP should not heat up just because you're using the power adapter.

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