My Macbook has this problem happened 3 times in last one week. A window popped up stated "You need to restart your computer. Hold down the Power button for several seconds or press the Restart button".


Anyone know why? How to solve the issue?

Thanks.

did you upgraded your RAM?

yes, I did. Is that the reason?

But it happened also before I upgraded my RAM.

its called a Kernel Panic

We need to see what causes a kernel panic

Few things :-

1. Hardware (RAM , bad HDD)

2. softwares (kernel extensions/drivers)

you need to give us more details and when does it happen ?

1. Hardware (RAM , bad HDD)
It happened last week when i was on original RAM (512M x 2). And it happened again yesterday and today where I am on Mushkin RAM (2G x2)

How to check for bad HDD?

2. softwares (kernel extensions/drivers)
Not quite sure how to answer this as I am new to Mac. I was running Mail, Firefox and Adium only most of the time. When it happened, the message window just popped up, nothing special that I did before hand.


This post has been edited by T816B: Dec 17 2007, 08:45 PM

it sounds like the main circuit board (logic board) is faulty. this is my guess.
please see a certified technician for a proper answer

Tell you what, go to Applecare Support in Apple Website and download Techtool Deluxe and run the diagnostic yourself first.

http://www.apple.com/support

Lower left-hand corner. Near AppleCare.

Thanks, will do it now. It is at lower right-hand corner.

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Added on December 17, 2007, 9:36 pmIt says I do not have the Apple Care number? Sorry, newbie for Mac here.



This post has been edited by T816B: Dec 17 2007, 09:36 PM

Sorry my fault, I should have asked if you had purchase the AppleCare before hand.

Why not you download rember and check if your RAM is ok or not ?

Search rember from http://macupdate.com

Cheers.

Doing the rember test now.

New Macbook does not come automatically with Apple Care? What about the warranty of 1 year, different?

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Added on December 17, 2007, 10:41 pmWhen I test all memory using Rember, I got:

"Memory request is too large, reducing to acceptable value...", I have a error in Block Sequential ?

There is no error when I test less memory say 2400MB. I have 4GB on board.

This post has been edited by T816B: Dec 17 2007, 10:41 PM

AppleCare is actually a premium on top of the regular warranty, including full time phone support and the TechTools CD. I also think that Apple tends to take care of AppleCare people better, but that's a personal opinion

Each Mac should come with a hardware diagnostics CD though, you don't need the TechTools CD to do a hardware diagnostics.

T816B, let's bring this offline. I PM'ed you.