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Apple Notebooks Apple's notebook computers including MacBook Pro, MacBook, MacBook Air, PowerBook, and iBook.

You need to restart your computer


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cojack298

 
Member Since: Feb 28, 2010
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Hi,

I was using my macbook pro when suddenly a black warning message appeared on my screen.

I says ''You need to restart your computer. Hold down the power button for several seconds or press the Restart button.

This is a picture of it http://www.community-media.com/wordp...rnel_panic.jpg

Can someone tell me what could cause this problem.

Thanks
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dtravis7

 
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That is a Kernel Panic. Kernel Panics are often caused by hardware issues.

Have you added any RAM to the Macbook Pro since you purchased it new?
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cojack298

 
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Yes it came with 2gb and i have upgraded it to 4gb.

would you like to see the kernel panic report?

do you think i should make an appointment with the genius bar at my local apple store.

Thanks

Macbook Pro 13"-- 2.26Ghz-- 4Gb RAM -- 320Gb HD
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dtravis7

 
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Is the Kernel Panic happening over and over or just that one time? If just once, if it happens again I would take out the new RAM and put in the old 2GB and see if that solves it.
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vansmith

 
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Seeing the kernel panic report couldn't hurt. KPs are sometimes caused by non-hardware issues - I had a KP a while back and it was fixed by repairing permissions.

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cojack298

 
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its happened twice, it happened about two months ago and today.

Im not sure but could my audio interface have something to do with it. when i plugged it into the usb it happened....its a native instruments, Audio 8 Dj

Macbook Pro 13"-- 2.26Ghz-- 4Gb RAM -- 320Gb HD
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vansmith

 
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If it happened before you put the new RAM in, then it is most likely something else (unless both the RAM and this other issue are causing the problem). The audio interface could very well be the problem - does it have drivers and have you installed (all of) them correctly? Is this device know to work with Snow Leopard (or whatever version of OS X you are using)?

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pigoo3

 
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Hey Vansmith...you're confusing me with the new avatar! That Maple Leaf should at least have a "beard" on it!

- Nick

- Too many "beachballs", read this: Beachballs
- Computer seems slower than it used to? Read this for some slow computer tips: Speedup
- Almost full hard drive? Some solutions. Out of Space
- Apple Battery Info. Battery
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cojack298

 
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Im using Snow Leopard 10.6.2.
I have just ran a Apple Hardware Test by restarting and holding down D and the test results came back all clear.

Yes the drivers are all installed but i did reinstall them last week and it didnt install properly so that might be the problem, so i will re install them again. but yes it is compatible with snow leopard

Macbook Pro 13"-- 2.26Ghz-- 4Gb RAM -- 320Gb HD
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vansmith

 
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A bad driver install could very well be the problem especially if the drivers install kernel extensions (which it likely does if you're getting KPs). Make sure to re-install them and only use the device after a successful install.

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pigoo3

 
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Quote:
Originally Posted by cojack298 View Post
its happened twice, it happened about two months ago and today.
This is pretty infrequent. You definitely got a kernel panic...but usually kernel panics occur more frequently. Most users with kernel panic issues get them within like 30-60 minutes of turning the computer on...and sometimes it only takes a few minutes.

My suggestion (like "dtravis7" already suggested)...remove all the new ram...leaving only the old ram in the computer...and see if things are more stable.

The only problem is...it seems that your kernel panics are very infrequent...and it may take a while to figure out if removing the new ram solved the problem.

HTH,

- Nick

- Too many "beachballs", read this: Beachballs
- Computer seems slower than it used to? Read this for some slow computer tips: Speedup
- Almost full hard drive? Some solutions. Out of Space
- Apple Battery Info. Battery
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cojack298

 
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but i done a apple hardware test on start up by holding D and all the test results came up clear after 50 seconds of testing...wouldn't this show up any faults with the RAM?

Macbook Pro 13"-- 2.26Ghz-- 4Gb RAM -- 320Gb HD
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vansmith

 
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Some will say that the AHT may miss bad RAM (I've never run it nor have I had bad RAM so I can't speak to this). I would still suggest reinstalling those audio interface drivers as a first step - it's a lot easier than swapping out RAM and if the KPs really only happen when the device is plugged in, that is likely your cause. This might explain why the KPs are so infrequent as well.

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pigoo3

 
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Quote:
Originally Posted by vansmith View Post
I would still suggest reinstalling those audio interface drivers as a first step - it's a lot easier than swapping out RAM and if the KPs really only happen when the device is plugged in, that is likely your cause. This might explain why the KPs are so infrequent as well.
That's a great idea Vansmith!.

"cojack298"...how often do you plug this external audio interface into your MacBook Pro? Is it often or very infrequently?

Kernel panics are usually hardware related...and like Vansmith suggested this audio interface could be the problem.

I might even suggest (to try to prove/disprove) that the problem is this external audio interface...you could try restarting your computer, plug in the external audio interface...and see if you get a kernel panic. If you get a kernel panic...then unplug the audio interface, restart the laptop...and see if you get a kernel panic without the audio interface plugged in.

Another suggestion could be...unplug the external audio interface...uninstall the software drivers for it...and see if you get any kernel panics.

If you still get kernel panics without the audio interface plugged in & the drivers removed...then that could point back to the ram.

Hope this helps,

- Nick

- Too many "beachballs", read this: Beachballs
- Computer seems slower than it used to? Read this for some slow computer tips: Speedup
- Almost full hard drive? Some solutions. Out of Space
- Apple Battery Info. Battery
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cojack298

 
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I used the interface everyday and night for djing and dont usually have a problem, its only happened twice when i plugged it in.

I think i will go to the apple store and see if the can have a look at my mac.

Thanks very much for the help

Macbook Pro 13"-- 2.26Ghz-- 4Gb RAM -- 320Gb HD
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