OS X :: What Is The Benefit Of Running My Mac In 64 Bit Kernel
Oct 2, 2010
I held down the 6 and 4 keys and booted up into 64 bit kernel on my mac pro 3.1 fine.
I checked and all my extensions are 64 bit, but not all software is.
So far, all of my stuff works fine- the printer, scanner, trackpad, revolution mx mouse and web cam, as do all of the programs that I have tried to use.
What is the benefit of running my mac in 64 bit kernel?
Can I set something so that it will automatically boot up in 64 bit every time?
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Dec 27, 2009
How do you know find out while in operation which kernel you are running in ?
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Sep 4, 2009
i've got mine set to 64 bit kernel default, but i don't want my computer to wear out or anything. my last iMac's capacitors blew, and i'd hate to have something like that happen any more quickly. will keeping it in 64 bit wear my computer out?
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Oct 5, 2009
my late 2006 macbook running 10.4.11 has been acting very strange since yesterday. first, it freezes while i'm recording something off of isight and i have to restart. works fine for 30 minutes until it randomly restarts (probably due to heat) and takes me two reboots and some time to fix it (i have to put an ice pack to keep it cool). then later in the night, it randomly restarts again and takes two reboots to get it back. then in the past hour, the screen has frozen, it went into a kernel panic and it randomly restarted again while i was trying to post this the first time. and also, it's been running very hot despite having no applications running.
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Jan 7, 2011
Is 7mm HDD compatible with MBP? I know it will fit in as it's smaller(not larger) than standard 9.5mm, but I'm worried about the extra space, will it make some flex?
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Sep 13, 2009
Just curious how important is using a firewall?
I currently have two Macs where one is a wireless base station using an older mushroom shaped Airport extreme, using a WPA/WPA2 network. Both my Macs have just had a fresh install of 10.6.
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Jun 5, 2009
With Snow Leopard on the horizon, and there already being some 64bit operating systems out there which are a hassle to get working with the "woodcrest" MacPro machines, eg, W7 x64 is a no go, and I have read that it is a PITA to get Vista x64 going(and a waste of time anyway). It has gotten me thinking, will Snow Leopard work in true 64bit form in the machine that was advertised as a 64bit Pro workstation?I am eager too see how much of a difference Grand Central and Open CL make!
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Sep 9, 2010
I just got iWork 09, but it asks to me to register the product with Apple. What's the benefit of doing this? Is there any harm in not registering the product?
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Sep 12, 2009
16Gb ST Lab SSD drive - I was wondering if anyone knew if it was a benefit to install the OS / ilife 09 / iWork in here, would I see an improvement in terms of performance in comparison to my 320Gb 5400 (which I will soon be upgrading to a scorpioblack 500Gb)
Install a memorycard reader in here as at the moment I am transferring my digital pictures either via usb from camera or via an adaptor.
Ideally I would like to go with option one, but only if that actually improves the performance of my system.
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Oct 23, 2009
I have a fairly old imac (it's about three years old) and although I've upgraded the ram, it's feeling a bit sluggish now. Do you think I would experience any performance benefit from upgrading to snow leopard? It still seems like a great machine so can't really justify upgrading to the new imacs.
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Oct 18, 2009
Out of curiosity, any reason not to purchase the Apple Care? I know that many people purchase this as an add-on because they want security with their device. I have always been a PC person and have built my super computer and of course, know enough to correct, repair my computer. I'm not saying that I won't know how to repair my MacBook but it seems like Apple Care does a lot more which justifies the cost and purchase. The question is, what is that "extra" benefit or is the hype still just from people who don't know anything about computing and or other reasons. Help me if I'm missing anything here.
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Apr 8, 2009
I just got myself a Mac Mini and a 2 TB Western Digital My Book Studio II External Hard Drive. I just wanted to run this idea by you guys to give me some expert advice. What I did was I made the 2 TB Western Digital into a 1 TB External Hard Drive with RAID 1. Then I went to System Preferences/Accounts and changed the location of the Users folder to the External Hard Drive.
So, essentially, (I think....) the entire OS is running on the Mac Mini, and then whatever data, Movies, Music, Preferences, additional Accounts etc..... I run from my External via Firewire 800. What do you all think about this set up? I have no idea why and how I came up with that, but that was how my Windows computer was set up (Recent Mac convert!)
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Aug 13, 2009
Yes you read that right. Your brand spanking new MBP will use a 32-bit kernel as default.
You can force 64-bit kernel but some of your hardware will not be working.
So all that marketing crap about the benefits of 64-bit etc are all B.S.
I don't want a million threads about how this will not effect the running of 64 bit apps, etc. because it will. Your 64-bit app will run but it will not be able to address more than 4Gb of RAM.
There are also many more advantages to having a 64-bit kernel.
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Jul 14, 2010
I have used a Apple MacBook Pro 2.0GHz Intel Core Duo (15.4-inch) for the past four years of college. In that time I've had it repaired once for some spillage, but other than that nothing has been done. The laptop has recently been showing serious age. I don't have a ton of extra cash, and was wondering if it would be smartest to A) Buy piecemeal repairs, and fix this one or B) sell/scrap this and purchase something new. I don't know the numbers enough to do a cost-benefit, so any help would gladly be appreciated!
INFO/BACKGROUND
Apple MacBook Pro 2.0GHz Intel Core Duo (15.4-inch) Bought in Summer 2006
? Track pad seems to be breaking/broken ($ fix cost?)o Does not click appropriately
o Frequently messes up typing when barely touched
o Extremely finicky? Screen sometimes displays lines of messy black lines in the middle of images with no rhyme or reason ($ fix cost?)o What in the world could be causing the screen to display improperly in lines?
o Is this a video card failure?
o Is memory too low?
o Is it the logic board? The battery is 100% dead and useless ($ fix cost?)o Laptop must be plugged in to work? Slow, and seemingly inconsistent performance ($ fix cost?)o Memory/ram was never updated
o Safari has to be opened twice to work, first time it always just sits there
o Microsoft Office 03 applications run at a snails pace? Still running original 2006 OS as well as all old OS applications ($ fix cost?)
? Case shows signs of use along edges with separation ($ fix cost?)
Also, if there are any ideas on what this would sell for, or a total cost to get it into solid running (and lasting!) shape would be awesome. I'm at wits end trying to budget for all this -
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Nov 15, 2009
I have a Macbook running Leopard and an iMac running Tiger. I am looking to upgrade Leopard to Snow Leopard and Tiger to Leopard. If I were to purchase Snow Leopard and install it on the Macbook, would I then be able to use the copy of Leopard that came with the Macbook on the iMac? I am not trying to use 2 copies of the same thing on different machines, I just want to put a new os on one machine and move the existing one to another.I am reluctant to purchase the Mac Box Set version of Snow Leopard for the iMac because I do not want or need iLife and iWork.
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Mar 5, 2012
I've had an iMac for just about a year and over time I guess I just didn't notice but the machine always ran very quietly. At the same time the back of the computer would heat up so bad that it would nearly burn my hand if I left it there. Well last week I decided to upgrade to Lion from Snow Leopard and when I did the install failed and froze up the hard drive. I took the computer in to the apple store and they determined that it had to have a new hard drive installed because the old one (only a year old) had a physical malfunction (was broke). So anyway I have my iMac back and get it started up, backed up from time machine, and then finally get Lion istalled - and now all of the sudden I notice that the fans in the computer are CONSTANTLY blowing - I can hear them spinning and can hear the air venting out of the back of the computer - and the computer is STILL really hot on the backside of the screen.
So now I am wondering if the originial problem was the computer heating up and if that may have broken the otherwise good hard drive? Also now that I have a new hard drive - should I be concerned about the fans being on ALL the time? I mean they never go off. Even when I leave the computer for hours and come back to it and the screen is asleep the fans are STILL buzzing away at top speed. Here is the stats on the computer at the time that I'm typing this note - there are no other programs running than Firefox and Mail. Also - I don't know what the optical drive is exaclty - but if it's the DVD drive (superdrive) - there is nothing in the DVD disc drive
Info:
iMac, Mac OS X (10.7.3)
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Mar 21, 2012
my 4 year old IMac 2.4ghz intel core 2 duo with 2gb running 10.7.3 has been running really slow since I installed photoshop CS4 and upgraded to lion ( I have 137gb of free space on hard drive) I mean it wont quit out of photoshop I always have to do a force quit and most applications run really slow. Do I need a new computer , what should I go for to have a smooth running mac?Was thinking of a new IMac 27-inch: 2.7GHz with 4gb memory.
Info:
iMac (20-inch Mid 2007), Mac OS X (10.7.3)
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Jun 4, 2014
My Macbook Pro (from mid-2010) has recently started running EXTREMELY slowly, and the fan continuously runs loudly. From other posts, I have checked my activity monitor to see if any process is taking up a lot of the CPU % and have found that nothing seems high, except the kernel_task which, from what I understand, is supposed to be high. I have also attempted to reset the SMC which didn't fix the problem either. I have taken my computer to the genius bar 3 times now, and they keep telling me nothing is wrong (because it works perfectly there), but when I get it home the fan comes back on, and everything runs slowly.
Info:
MacBook Pro (13-inch Mid 2010), OS X Mavericks (10.9.2)
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Mar 15, 2012
My Mac feels as if it is running slower these last couple of months. I have thought of pursuing a commercially available "clean up" product, but thought I would try the community first and also for pointers using the Mac's own internal diagnostics or system improvement capabilities. Any and all advice is most welcome. I have a 250GB hard drive that is half full, I always update to latest revisions and have an extra high-speed internet connection. Computer is not heavily loaded with apps and typically using Firefox for browsing. (MS Office for Mac as well, but usually limited to one program such as MS Word or Excel at a time.) No heavy graphics utilization. Videos from the internet load slowly and some are choppy. Even scrolling just doesn't seem "brisk".
Info:
MacBook Pro, Mac OS X (10.7.3), 2.53/4GB Ram
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Dec 25, 2009
This is the first time I've tried OWC memory. So far, so good - the Mac recognizes the RAM and boots okay. Everything I've tried thus far post-upgrade works. I am a happy camper now - my Mac was a bit sluggish due to running out of physical RAM running Parallels.
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Jan 6, 2011
Since I updated to 10.6.6 earlier today I've noticed that the fan in my MBA (13" late-2010 model) is running constantly. This is rare -- I hardly ever hear it. I opened activity monitor and 'System' is using 45% CPU time, and it's pretty constant.
I have absolutely no clue why -- there's nothing in console to suggest it's doing some task, and I can't see any other hints. Apart from the noise and the heat (though don't get me wrong -- compared to my old MBP it's not really noisy or hot, but I liked it better when it was totally quiet and cold), it's also killing the battery -- 25% has gone in less than an hour.
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Jun 16, 2009
Snow Leopard 10A380 will not load the 64-bit kernel on my late 2007 aluminum iMac with 4gb of RAM. I held down the "6" and 4" during boot and it still boots the 32-bit kernel.
My Mac Pro at work does boot the 64-bit kernel but not by default.
I am concerned that Apple isn't going to allow iMac's and MacBooks the ability to load the 64-bit kernel and drivers to differentiate the consumer and pro models.
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Aug 30, 2009
Sounds like a desperate need for some Kentucky Fried Chicken while waiting for your 10.6 install.
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Aug 30, 2009
So, do you notice difference? Many people are confused should they use 64-bit kernel (including me)
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Sep 7, 2009
MacBooks(and macminis/air/imacs) with 64-bit efi now can try 64-bit kernel too
Instructions - [URL]
Original - [URL]
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Sep 8, 2009
So after reading a hundred million (maybe two or three less) messages on this topic, only confusion remains in my head. So here is a simple question for Mac experts:
I have an Early 2008 MBP (penryn, model MBP 4.1) which I think is capable of rebooting in 64 bit kernel mode. I have 4 Gb RAM memory and a 2.4 GHz C2D processor.
WOULD I SEE ANY DIFFERENCE AT ALL IN MY COMPUTER BETWEEN 32-BIT AND 64-BIT KERNEL?
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Jun 4, 2010
I am using a MacBook Pro 2010 (i7, OS 10.6.3). I sometime use Fusion 3.1 to access to Windows Vista 64-bit partition under BootCamp. I read that Snow Leopard is defaulted to 32-bit. 64-bit can be enabled by pressing 6 and 4 during startup. Is it safe to try out the 64-bit kernel? I worry that if there is a compatibility issue such as problems with drivers or softwares, my system may get messed up even when the system returns to 32-bit kernel next time it boots. Also, is it safe to use Time Machine to back up the system during the trial period? So far, TM has been backing up my laptop running 32-bit. I wonder if switching the 32-64 bit kernel back and forth will mess up the TM backups.
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Jun 29, 2010
I am running a 64-bit program which takes 8GB installed on my 2010 MBP i7. In this case, is there a performance gain if I switch to the 64-bit kernel?
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Jun 29, 2012
I am just starting a new job and have been getting extreme speed issues on my computer followed by this recent kernel panic. I am running 4 2 TB G Speeds through eSATA. My computer went down, when I brought it back up Final Cut Pro took 5-10 minutes just to simply open. I wasn't even attempting to open a certain project. Any ideas based on the attached Kernel report? [code]
Info:
Mac Pro
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Nov 7, 2010
I'm getting a kernel panic at start up and the optical drive wont read the start up DVD. I can boot up windows via bootcamp and the machine runs fine. I'm not getting any red LED's on my risers, so i'm assuming its not a RAM issue. I have a Mac Pro 8-core (2008) stock, just added 10 gigs of RAM.
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